FPCN11 CWTO 091452 FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL REGION ISSUED BY ENVIRONMENT CANADA AT 11:00 A.M. EDT TUESDAY 9 JULY 2024 FOR TODAY AND WEDNESDAY. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 3:30 P.M. EDT. CITY OF TORONTO. TODAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING WEST 20 KM/H LATE THIS AFTERNOON. HIGH 30. HUMIDEX 38. UV INDEX 10 OR VERY HIGH. TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. RAIN AT TIMES HEAVY BEGINNING OVERNIGHT. RISK OF A THUNDERSTORM. WIND WEST 20 KM/H BECOMING NORTH 20 THIS EVENING. LOW 19. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING EAST 30 KM/H LATE IN THE MORNING. HIGH 23. HUMIDEX 28. UV INDEX 2 OR LOW. WINDSOR - LEAMINGTON - ESSEX COUNTY. TODAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 36. UV INDEX 9 OR VERY HIGH. TONIGHT..CLOUDY. RAIN AT TIMES HEAVY BEGINNING NEAR MIDNIGHT. RISK OF A THUNDERSTORM OVERNIGHT. LOCAL AMOUNT 15 TO 25 MM. WIND BECOMING EAST 20 KM/H GUSTING TO 40 BEFORE MORNING. LOW 20. WEDNESDAY..SHOWERS WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 10 TO 15 MM. WIND EAST 20 KM/H GUSTING TO 40 BECOMING NORTH 30 IN THE AFTERNOON. HIGH 23. HUMIDEX 27. UV INDEX 4 OR MODERATE. CHATHAM-KENT - RONDEAU PARK. TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 28. HUMIDEX 35. UV INDEX 10 OR VERY HIGH. TONIGHT..CLOUDY. RAIN AT TIMES HEAVY BEGINNING NEAR MIDNIGHT. RISK OF A THUNDERSTORM OVERNIGHT. LOCAL AMOUNT 15 TO 25 MM. WIND BECOMING EAST 20 KM/H GUSTING TO 40 BEFORE MORNING. LOW 19. WEDNESDAY..SHOWERS WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 10 TO 15 MM. WIND EAST 20 KM/H GUSTING TO 40 BECOMING SOUTH 20 IN THE AFTERNOON. HIGH 23. HUMIDEX 32. UV INDEX 4 OR MODERATE. SARNIA - PETROLIA - WESTERN LAMBTON COUNTY. TODAY..BECOMING CLOUDY THIS AFTERNOON WITH 40 PERCENT CHANCE OF SHOWERS LATER THIS AFTERNOON. RISK OF A THUNDERSTORM THIS AFTERNOON. HIGH 28. HUMIDEX 36. UV INDEX 10 OR VERY HIGH. TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. RAIN AT TIMES HEAVY BEGINNING NEAR MIDNIGHT. RISK OF A THUNDERSTORM. LOCAL AMOUNT 15 TO 25 MM. LOW 19. WEDNESDAY..SHOWERS WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 10 TO 15 MM. WIND BECOMING NORTHEAST 30 KM/H IN THE MORNING. HIGH 22. HUMIDEX 27. UV INDEX 4 OR MODERATE. WATFORD - PINERY PARK - EASTERN LAMBTON COUNTY. TODAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 28. HUMIDEX 36. UV INDEX 10 OR VERY HIGH. TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. RAIN AT TIMES HEAVY BEGINNING NEAR MIDNIGHT. RISK OF A THUNDERSTORM. LOCAL AMOUNT 15 TO 25 MM. LOW 18. WEDNESDAY..SHOWERS WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 10 TO 15 MM. WIND BECOMING NORTHEAST 30 KM/H IN THE MORNING THEN LIGHT IN THE AFTERNOON. HIGH 24. HUMIDEX 32. UV INDEX 4 OR MODERATE. RODNEY - SHEDDEN - WESTERN ELGIN COUNTY. TODAY..MAINLY CLOUDY. HIGH 28. HUMIDEX 35. UV INDEX 10 OR VERY HIGH. TONIGHT..CLOUDY. RAIN AT TIMES HEAVY BEGINNING NEAR MIDNIGHT. RISK OF A THUNDERSTORM OVERNIGHT. LOCAL AMOUNT 15 TO 25 MM. LOW 19. WEDNESDAY..SHOWERS WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 10 TO 15 MM. WIND BECOMING NORTHEAST 30 KM/H IN THE MORNING THEN SOUTHEAST 20. HIGH 24. HUMIDEX 32. UV INDEX 4 OR MODERATE. ST. THOMAS - AYLMER - EASTERN ELGIN COUNTY. TODAY..MAINLY CLOUDY. HIGH 28. HUMIDEX 35. UV INDEX 10 OR VERY HIGH. TONIGHT..CLOUDY. RAIN AT TIMES HEAVY BEGINNING NEAR MIDNIGHT. RISK OF A THUNDERSTORM OVERNIGHT. LOCAL AMOUNT 15 TO 25 MM. LOW 19. WEDNESDAY..SHOWERS WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 10 TO 15 MM. WIND BECOMING NORTHEAST 30 KM/H IN THE MORNING THEN SOUTHEAST 20. HIGH 24. HUMIDEX 32. UV INDEX 4 OR MODERATE. STRATHROY - KOMOKA - WESTERN MIDDLESEX COUNTY. TODAY..BECOMING CLOUDY THIS AFTERNOON WITH 40 PERCENT CHANCE OF SHOWERS LATER THIS AFTERNOON. RISK OF A THUNDERSTORM THIS AFTERNOON. HIGH 28. HUMIDEX 34. UV INDEX 10 OR VERY HIGH. TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. RAIN AT TIMES HEAVY BEGINNING NEAR MIDNIGHT. RISK OF A THUNDERSTORM. LOCAL AMOUNT 15 TO 25 MM. LOW 18. WEDNESDAY..SHOWERS WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 10 TO 15 MM. WIND BECOMING EAST 30 KM/H IN THE MORNING THEN LIGHT IN THE AFTERNOON. HIGH 24. HUMIDEX 32. UV INDEX 4 OR MODERATE. LONDON - PARKHILL - EASTERN MIDDLESEX COUNTY. TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 28. HUMIDEX 35. UV INDEX 10 OR VERY HIGH. TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. RAIN AT TIMES HEAVY BEGINNING NEAR MIDNIGHT. RISK OF A THUNDERSTORM. LOCAL AMOUNT 15 TO 25 MM. LOW 18. WEDNESDAY..SHOWERS WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 10 TO 15 MM. WIND BECOMING EAST 30 KM/H IN THE MORNING. HIGH 23. HUMIDEX 30. UV INDEX 4 OR MODERATE. SIMCOE - DELHI - NORFOLK. TODAY..MAINLY CLOUDY. HIGH 28. HUMIDEX 35. UV INDEX 10 OR VERY HIGH. TONIGHT..CLOUDY. RAIN AT TIMES HEAVY BEGINNING AFTER MIDNIGHT. RISK OF A THUNDERSTORM OVERNIGHT. LOCAL AMOUNT 15 TO 25 MM. LOW 19. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 10 TO 15 MM. HIGH 24. HUMIDEX 32. UV INDEX 4 OR MODERATE. DUNNVILLE - CALEDONIA - HALDIMAND. TODAY..A MIX OF SUN AND CLOUD. WIND BECOMING WEST 20 KM/H THIS AFTERNOON. HIGH 29. HUMIDEX 36. UV INDEX 10 OR VERY HIGH. TONIGHT..CLOUDY. RAIN AT TIMES HEAVY BEGINNING AFTER MIDNIGHT. RISK OF A THUNDERSTORM OVERNIGHT. LOCAL AMOUNT 15 TO 25 MM. LOW 20. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 10 TO 15 MM. WIND BECOMING NORTHEAST 20 KM/H LATE IN THE MORNING. HIGH 25. HUMIDEX 34. UV INDEX 4 OR MODERATE. WOODSTOCK - TILLSONBURG - OXFORD COUNTY. TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 28. HUMIDEX 35. UV INDEX 10 OR VERY HIGH. TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. RAIN AT TIMES HEAVY BEGINNING AFTER MIDNIGHT. RISK OF A THUNDERSTORM. LOCAL AMOUNT 15 TO 25 MM. LOW 18. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 10 TO 15 MM. WIND BECOMING EAST 30 KM/H IN THE MORNING. HIGH 23. HUMIDEX 31. UV INDEX 4 OR MODERATE. BRANTFORD - COUNTY OF BRANT. TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 36. UV INDEX 10 OR VERY HIGH. TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. RAIN AT TIMES HEAVY BEGINNING AFTER MIDNIGHT. RISK OF A THUNDERSTORM. LOCAL AMOUNT 15 TO 25 MM. LOW 18. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 10 TO 15 MM. WIND BECOMING EAST 30 KM/H IN THE MORNING. HIGH 23. HUMIDEX 31. UV INDEX 4 OR MODERATE. NIAGARA FALLS - WELLAND - SOUTHERN NIAGARA REGION. TODAY..A MIX OF SUN AND CLOUD. WIND BECOMING WEST 20 KM/H THIS AFTERNOON. HIGH 30. HUMIDEX 38. UV INDEX 10 OR VERY HIGH. TONIGHT..CLOUDY. RAIN AT TIMES HEAVY BEGINNING AFTER MIDNIGHT. RISK OF A THUNDERSTORM OVERNIGHT. LOCAL AMOUNT 15 TO 25 MM. WIND SOUTHWEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 20. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 10 TO 15 MM. WIND BECOMING EAST 20 KM/H IN THE AFTERNOON. HIGH 25. HUMIDEX 34. UV INDEX 4 OR MODERATE. ST. CATHARINES - GRIMSBY - NORTHERN NIAGARA REGION. TODAY..A MIX OF SUN AND CLOUD. WIND BECOMING WEST 20 KM/H THIS AFTERNOON. HIGH 30. HUMIDEX 38. UV INDEX 10 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. RAIN AT TIMES HEAVY BEGINNING AFTER MIDNIGHT. RISK OF A THUNDERSTORM OVERNIGHT. LOCAL AMOUNT 15 TO 25 MM. WIND SOUTHWEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 20. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 10 TO 15 MM. WIND BECOMING EAST 20 KM/H IN THE AFTERNOON. HIGH 25. HUMIDEX 34. UV INDEX 4 OR MODERATE. CITY OF HAMILTON. TODAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING WEST 20 KM/H THIS AFTERNOON. HIGH 29. HUMIDEX 37. UV INDEX 10 OR VERY HIGH. TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. RAIN AT TIMES HEAVY BEGINNING AFTER MIDNIGHT. RISK OF A THUNDERSTORM. LOCAL AMOUNT 15 TO 25 MM. LOW 19. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 10 TO 15 MM. WIND BECOMING NORTHEAST 30 KM/H IN THE MORNING. HIGH 23. HUMIDEX 31. UV INDEX 4 OR MODERATE. BURLINGTON - OAKVILLE. TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING WEST 20 KM/H THIS AFTERNOON. HIGH 29. HUMIDEX 37. UV INDEX 10 OR VERY HIGH. TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. RAIN AT TIMES HEAVY BEGINNING OVERNIGHT. RISK OF A THUNDERSTORM. WIND WEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 19. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING NORTHEAST 30 KM/H LATE IN THE MORNING. HIGH 23. HUMIDEX 30. UV INDEX 2 OR LOW. HALTON HILLS - MILTON. TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING WEST 20 KM/H THIS AFTERNOON. HIGH 29. HUMIDEX 37. UV INDEX 9 OR VERY HIGH. TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. RAIN AT TIMES HEAVY BEGINNING OVERNIGHT. RISK OF A THUNDERSTORM. WIND WEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 19. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING NORTHEAST 30 KM/H LATE IN THE MORNING. HIGH 23. HUMIDEX 30. UV INDEX 2 OR LOW. MISSISSAUGA - BRAMPTON. TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING WEST 20 KM/H THIS AFTERNOON. HIGH 30. HUMIDEX 38. UV INDEX 9 OR VERY HIGH. TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. RAIN AT TIMES HEAVY BEGINNING OVERNIGHT. RISK OF A THUNDERSTORM. WIND WEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 19. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING NORTHEAST 30 KM/H LATE IN THE MORNING. HIGH 23. HUMIDEX 30. UV INDEX 2 OR LOW. CALEDON. TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING WEST 20 KM/H THIS AFTERNOON. HIGH 27. HUMIDEX 35. UV INDEX 9 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. RAIN AT TIMES HEAVY BEGINNING OVERNIGHT. RISK OF A THUNDERSTORM. LOW 18. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. HIGH 21. HUMIDEX 26. UV INDEX 2 OR LOW. VAUGHAN - RICHMOND HILL - MARKHAM. TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 36. UV INDEX 9 OR VERY HIGH. TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. RAIN AT TIMES HEAVY BEGINNING OVERNIGHT. RISK OF A THUNDERSTORM. LOW 19. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING NORTHEAST 20 KM/H IN THE AFTERNOON. HIGH 23. HUMIDEX 28. UV INDEX 2 OR LOW. NEWMARKET - GEORGINA - NORTHERN YORK REGION. TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING WEST 20 KM/H THIS AFTERNOON. HIGH 28. HUMIDEX 35. UV INDEX 8 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. RAIN AT TIMES HEAVY BEGINNING BEFORE MORNING. RISK OF A THUNDERSTORM. LOW 18. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING NORTHEAST 20 KM/H IN THE AFTERNOON. HIGH 22. HUMIDEX 27. UV INDEX 2 OR LOW. PICKERING - OSHAWA - SOUTHERN DURHAM REGION. TODAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 36. UV INDEX 9 OR VERY HIGH. TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. RAIN AT TIMES HEAVY BEGINNING OVERNIGHT. RISK OF A THUNDERSTORM. LOW 19. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING NORTHEAST 20 KM/H IN THE AFTERNOON. HIGH 23. HUMIDEX 28. UV INDEX 2 OR LOW. UXBRIDGE - BEAVERTON - NORTHERN DURHAM REGION. TODAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING WEST 20 KM/H THIS AFTERNOON. HIGH 28. HUMIDEX 35. UV INDEX 9 OR VERY HIGH. TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. RAIN AT TIMES HEAVY BEGINNING BEFORE MORNING. RISK OF A THUNDERSTORM. LOW 18. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING NORTHEAST 20 KM/H IN THE AFTERNOON. HIGH 22. HUMIDEX 27. UV INDEX 2 OR LOW. GODERICH - BLUEWATER - SOUTHERN HURON COUNTY. TODAY..A MIX OF SUN AND CLOUD. HIGH 27. HUMIDEX 35. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY NEAR MIDNIGHT THEN RAIN AT TIMES HEAVY. RISK OF A THUNDERSTORM OVERNIGHT. LOW 18. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING NORTHEAST 30 KM/H LATE IN THE MORNING. HIGH 21. HUMIDEX 29. UV INDEX 2 OR LOW. WINGHAM - BLYTH - NORTHERN HURON COUNTY. TODAY..A MIX OF SUN AND CLOUD. HIGH 27. HUMIDEX 32. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. BECOMING CLOUDY NEAR MIDNIGHT THEN RAIN AT TIMES HEAVY. RISK OF A THUNDERSTORM OVERNIGHT. LOW 18. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING NORTHEAST 30 KM/H LATE IN THE MORNING. HIGH 20. HUMIDEX 25. UV INDEX 2 OR LOW. STRATFORD - MITCHELL - SOUTHERN PERTH COUNTY. TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND WEST 20 KM/H. HIGH 27. HUMIDEX 33. UV INDEX 9 OR VERY HIGH. TONIGHT..CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. RAIN AT TIMES HEAVY BEGINNING OVERNIGHT. RISK OF A THUNDERSTORM. LOW 18. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING EAST 30 KM/H IN THE MORNING. HIGH 21. HUMIDEX 29. UV INDEX 2 OR LOW. LISTOWEL - MILVERTON - NORTHERN PERTH COUNTY. TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND WEST 20 KM/H. HIGH 27. HUMIDEX 33. UV INDEX 9 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. RAIN AT TIMES HEAVY BEGINNING OVERNIGHT. RISK OF A THUNDERSTORM. LOW 18. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING EAST 30 KM/H IN THE MORNING. HIGH 21. HUMIDEX 29. UV INDEX 2 OR LOW. KITCHENER - CAMBRIDGE - REGION OF WATERLOO. TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND WEST 20 KM/H. HIGH 28. HUMIDEX 34. UV INDEX 9 OR VERY HIGH. TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. RAIN AT TIMES HEAVY BEGINNING OVERNIGHT. RISK OF A THUNDERSTORM. LOW 19. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING EAST 30 KM/H LATE IN THE MORNING. HIGH 22. HUMIDEX 28. UV INDEX 2 OR LOW. GUELPH - ERIN - SOUTHERN WELLINGTON COUNTY. TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING WEST 20 KM/H THIS AFTERNOON. HIGH 28. HUMIDEX 34. UV INDEX 9 OR VERY HIGH. TONIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. RAIN AT TIMES HEAVY BEGINNING OVERNIGHT. RISK OF A THUNDERSTORM. LOW 19. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING EAST 30 KM/H LATE IN THE MORNING. HIGH 22. HUMIDEX 28. UV INDEX 2 OR LOW. MOUNT FOREST - ARTHUR - NORTHERN WELLINGTON COUNTY. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING WEST 20 KM/H THIS AFTERNOON. HIGH 27. HUMIDEX 33. UV INDEX 9 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. RAIN AT TIMES HEAVY BEGINNING OVERNIGHT. RISK OF A THUNDERSTORM. LOW 18. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING NORTHEAST 20 KM/H IN THE AFTERNOON. HIGH 20. UV INDEX 2 OR LOW. ORANGEVILLE - GRAND VALLEY - SOUTHERN DUFFERIN COUNTY. TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 27. HUMIDEX 34. UV INDEX 9 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. RAIN AT TIMES HEAVY BEGINNING OVERNIGHT. RISK OF A THUNDERSTORM. LOW 16. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING NORTHEAST 30 KM/H IN THE AFTERNOON. HIGH 21. HUMIDEX 25. UV INDEX 2 OR LOW. SHELBURNE - MANSFIELD - NORTHERN DUFFERIN COUNTY. TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 27. HUMIDEX 34. UV INDEX 9 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. RAIN AT TIMES HEAVY BEGINNING OVERNIGHT. RISK OF A THUNDERSTORM. LOW 16. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING NORTHEAST 30 KM/H IN THE AFTERNOON. HIGH 21. HUMIDEX 25. UV INDEX 2 OR LOW. INNISFIL - NEW TECUMSETH - ANGUS. TODAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 28. HUMIDEX 35. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. RAIN AT TIMES HEAVY BEGINNING BEFORE MORNING. RISK OF A THUNDERSTORM. LOW 16. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING NORTHEAST 30 KM/H IN THE AFTERNOON. HIGH 21. HUMIDEX 25. UV INDEX 2 OR LOW. SAUGEEN SHORES - KINCARDINE - SOUTHERN BRUCE COUNTY. TODAY..A MIX OF SUN AND CLOUD. HIGH 27. HUMIDEX 33. UV INDEX 9 OR VERY HIGH. TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS NEAR MIDNIGHT THEN RAIN AT TIMES HEAVY. RISK OF A THUNDERSTORM OVERNIGHT. LOW 16. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING NORTHEAST 30 KM/H LATE IN THE MORNING. HIGH 20. HUMIDEX 25. UV INDEX 2 OR LOW. BRUCE PENINSULA - SAUBLE BEACH - TOBERMORY. TODAY..A MIX OF SUN AND CLOUD. HIGH 25. HUMIDEX 31. UV INDEX 9 OR VERY HIGH. TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS NEAR MIDNIGHT. LOW 16. WEDNESDAY..RAIN WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 10 TO 20 MM. WIND BECOMING NORTHEAST 30 KM/H LATE IN THE MORNING. HIGH 20. HUMIDEX 25. UV INDEX 2 OR LOW. HANOVER - DUNDALK - SOUTHERN GREY COUNTY. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 27. HUMIDEX 32. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 16. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING NORTHEAST 30 KM/H IN THE AFTERNOON. HIGH 20. UV INDEX 2 OR LOW. OWEN SOUND - BLUE MOUNTAINS - NORTHERN GREY COUNTY. TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 26. HUMIDEX 31. UV INDEX 9 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 16. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING NORTHEAST 30 KM/H IN THE AFTERNOON. HIGH 20. UV INDEX 2 OR LOW. BARRIE - COLLINGWOOD - HILLSDALE. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 27. HUMIDEX 35. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 16. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING EAST 20 KM/H LATE IN THE AFTERNOON. HIGH 20. HUMIDEX 25. UV INDEX 2 OR LOW. MIDLAND - COLDWATER - ORR LAKE. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 26. HUMIDEX 34. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 16. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING EAST 20 KM/H LATE IN THE AFTERNOON. HIGH 20. HUMIDEX 25. UV INDEX 2 OR LOW. ORILLIA - LAGOON CITY - WASHAGO. TODAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 27. HUMIDEX 35. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 16. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING EAST 20 KM/H LATE IN THE AFTERNOON. HIGH 20. HUMIDEX 25. UV INDEX 2 OR LOW. COBOURG - COLBORNE - WESTERN NORTHUMBERLAND COUNTY. TODAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 37. UV INDEX 9 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 19. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING NORTHEAST 20 KM/H IN THE AFTERNOON. HIGH 23. HUMIDEX 30. UV INDEX 2 OR LOW. BELLEVILLE - QUINTE WEST - EASTERN NORTHUMBERLAND COUNTY. TODAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 37. UV INDEX 9 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 19. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING NORTHEAST 20 KM/H IN THE AFTERNOON. HIGH 23. HUMIDEX 30. UV INDEX 2 OR LOW. PICTON - SANDBANKS PARK. TODAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND SOUTHWEST 20 KM/H BECOMING LIGHT THIS AFTERNOON. HIGH 29. HUMIDEX 37. UV INDEX 9 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 20. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING NORTHEAST 20 KM/H IN THE AFTERNOON. HIGH 23. HUMIDEX 30. UV INDEX 2 OR LOW. NAPANEE - CONSECON. TODAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 37. UV INDEX 9 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 20. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING NORTHEAST 20 KM/H IN THE AFTERNOON. HIGH 23. HUMIDEX 30. UV INDEX 2 OR LOW. KINGSTON - ODESSA - FRONTENAC ISLANDS. TODAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 37. UV INDEX 10 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 20. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING NORTHEAST 20 KM/H IN THE AFTERNOON. HIGH 23. HUMIDEX 30. UV INDEX 2 OR LOW. LINDSAY - SOUTHERN KAWARTHA LAKES. TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 37. UV INDEX 8 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 17. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING EAST 20 KM/H IN THE AFTERNOON. HIGH 22. HUMIDEX 27. UV INDEX 2 OR LOW. FENELON FALLS - BALSAM LAKE PARK - NORTHERN KAWARTHA LAKES. TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING WEST 20 KM/H THIS AFTERNOON. HIGH 28. HUMIDEX 36. UV INDEX 8 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. WIND WEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 17. WEDNESDAY..CLOUDY. RAIN AT TIMES HEAVY BEGINNING IN THE MORNING. RISK OF A THUNDERSTORM LATE IN THE MORNING AND IN THE AFTERNOON. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING EAST 20 KM/H IN THE AFTERNOON. HIGH 22. HUMIDEX 27. UV INDEX 2 OR LOW. PETERBOROUGH CITY - LAKEFIELD - SOUTHERN PETERBOROUGH COUNTY. TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 37. UV INDEX 8 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 17. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING EAST 20 KM/H IN THE AFTERNOON. HIGH 22. HUMIDEX 27. UV INDEX 2 OR LOW. APSLEY - WOODVIEW - NORTHERN PETERBOROUGH COUNTY. TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING WEST 20 KM/H THIS AFTERNOON. HIGH 28. HUMIDEX 36. UV INDEX 8 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. WIND WEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 17. WEDNESDAY..CLOUDY. RAIN AT TIMES HEAVY BEGINNING IN THE MORNING. RISK OF A THUNDERSTORM LATE IN THE MORNING AND IN THE AFTERNOON. LOCAL AMOUNT 30 TO 40 MM. WIND BECOMING EAST 20 KM/H IN THE AFTERNOON. HIGH 22. HUMIDEX 27. UV INDEX 2 OR LOW. STIRLING - TWEED - MADOC. TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 EARLY THIS AFTERNOON. HIGH 29. HUMIDEX 37. UV INDEX 9 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. WIND SOUTHWEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 19. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. HIGH 23. HUMIDEX 31. UV INDEX 2 OR LOW. TAMWORTH - SYDENHAM - SOUTH FRONTENAC. TODAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND SOUTHWEST 20 KM/H GUSTING TO 40. HIGH 29. HUMIDEX 37. UV INDEX 10 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. WIND SOUTHWEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 19. WEDNESDAY..RAIN AT TIMES HEAVY WITH RISK OF A THUNDERSTORM. LOCAL AMOUNT 30 TO 40 MM. HIGH 23. HUMIDEX 31. UV INDEX 2 OR LOW. KALADAR - BANNOCKBURN - BON ECHO PARK. TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 THIS AFTERNOON. HIGH 28. HUMIDEX 35. UV INDEX 9 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 15. WEDNESDAY..CLOUDY. RAIN AT TIMES HEAVY BEGINNING IN THE MORNING. RISK OF A THUNDERSTORM LATE IN THE MORNING AND IN THE AFTERNOON. LOCAL AMOUNT 30 TO 40 MM. HIGH 21. HUMIDEX 27. UV INDEX 2 OR LOW. BANCROFT - HASTINGS HIGHLANDS - DENBIGH. TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING SOUTHWEST 20 KM/H THIS AFTERNOON. HIGH 27. HUMIDEX 34. UV INDEX 8 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. WIND WEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 15. WEDNESDAY..CLOUDY. RAIN BEGINNING IN THE MORNING. RISK OF A THUNDERSTORM LATE IN THE MORNING AND IN THE AFTERNOON. LOCAL AMOUNT 20 TO 30 MM. HIGH 21. HUMIDEX 27. UV INDEX 2 OR LOW. GANANOQUE - MALLORYTOWN. TODAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND SOUTHWEST 30 KM/H GUSTING TO 50. HIGH 29. HUMIDEX 37. UV INDEX 10 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. WIND NORTHWEST 30 KM/H GUSTING TO 50 BECOMING LIGHT THIS EVENING. LOW 20. WEDNESDAY..CLOUDY. RAIN AT TIMES HEAVY BEGINNING LATE IN THE MORNING. RISK OF A THUNDERSTORM IN THE AFTERNOON. LOCAL AMOUNT 15 TO 25 MM. HIGH 23 WITH TEMPERATURE FALLING TO 20 IN THE AFTERNOON. HUMIDEX 31. UV INDEX 5 OR MODERATE. BROCKVILLE - PRESCOTT. TODAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING SOUTHWEST 30 KM/H GUSTING TO 50 THIS AFTERNOON. HIGH 29. HUMIDEX 37. UV INDEX 10 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. WIND NORTHWEST 30 KM/H GUSTING TO 50 BECOMING LIGHT THIS EVENING. LOW 20. WEDNESDAY..CLOUDY. RAIN AT TIMES HEAVY BEGINNING LATE IN THE MORNING. RISK OF A THUNDERSTORM IN THE AFTERNOON. LOCAL AMOUNT 15 TO 25 MM. HIGH 23 WITH TEMPERATURE FALLING TO 20 IN THE AFTERNOON. HUMIDEX 31. UV INDEX 5 OR MODERATE. WESTPORT - CHARLESTON LAKE. TODAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING SOUTHWEST 30 KM/H GUSTING TO 50 THIS AFTERNOON. HIGH 29. HUMIDEX 37. UV INDEX 9 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 19. WEDNESDAY..CLOUDY. RAIN AT TIMES HEAVY BEGINNING LATE IN THE MORNING. RISK OF A THUNDERSTORM IN THE AFTERNOON. LOCAL AMOUNT 15 TO 25 MM. HIGH 24. HUMIDEX 31. UV INDEX 3 OR MODERATE. MERRICKVILLE-WOLFORD - KEMPTVILLE. TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING SOUTHWEST 30 KM/H GUSTING TO 50 THIS AFTERNOON. HIGH 29. HUMIDEX 37. UV INDEX 8 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 19. WEDNESDAY..CLOUDY. RAIN AT TIMES HEAVY BEGINNING LATE IN THE MORNING. RISK OF A THUNDERSTORM IN THE AFTERNOON. LOCAL AMOUNT 15 TO 25 MM. HIGH 24. HUMIDEX 31. UV INDEX 5 OR MODERATE. OTTAWA NORTH - KANATA - ORLEANS. TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING WEST 30 KM/H THIS AFTERNOON. HIGH 29. HUMIDEX 37. UV INDEX 8 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 19. WEDNESDAY..CLOUDY. RAIN AT TIMES HEAVY BEGINNING LATE IN THE MORNING. RISK OF A THUNDERSTORM IN THE AFTERNOON. LOCAL AMOUNT 15 TO 25 MM. WIND BECOMING EAST 20 KM/H LATE IN THE AFTERNOON. HIGH 22. HUMIDEX 30. UV INDEX 5 OR MODERATE. OTTAWA SOUTH - RICHMOND - METCALFE. TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING WEST 30 KM/H THIS AFTERNOON. HIGH 29. HUMIDEX 37. UV INDEX 8 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 19. WEDNESDAY..CLOUDY. RAIN AT TIMES HEAVY BEGINNING LATE IN THE MORNING. RISK OF A THUNDERSTORM IN THE AFTERNOON. LOCAL AMOUNT 15 TO 25 MM. WIND BECOMING EAST 20 KM/H LATE IN THE AFTERNOON. HIGH 22. HUMIDEX 30. UV INDEX 5 OR MODERATE. GATINEAU. TODAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 36. UV INDEX 8 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 19. WEDNESDAY..BECOMING CLOUDY IN THE MORNING THEN RAIN AT TIMES HEAVY. RISK OF A THUNDERSTORM IN THE AFTERNOON. LOCAL AMOUNT 15 TO 25 MM. HIGH 24. HUMIDEX 30. UV INDEX 6 OR HIGH. PRESCOTT AND RUSSELL. TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND BECOMING WEST 20 KM/H LATE THIS AFTERNOON. HIGH 29. HUMIDEX 36. UV INDEX 8 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. WIND WEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 18. WEDNESDAY..CLOUDY. RAIN AT TIMES HEAVY BEGINNING LATE IN THE MORNING. RISK OF A THUNDERSTORM IN THE AFTERNOON. LOCAL AMOUNT 15 TO 25 MM. HIGH 23. HUMIDEX 31. UV INDEX 5 OR MODERATE. MORRISBURG - LONG SAULT. TODAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 37. UV INDEX 9 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 18. WEDNESDAY..CLOUDY. RAIN AT TIMES HEAVY BEGINNING LATE IN THE MORNING. RISK OF A THUNDERSTORM IN THE AFTERNOON. LOCAL AMOUNT 15 TO 25 MM. WIND BECOMING EAST 20 KM/H LATE IN THE AFTERNOON. HIGH 25. HUMIDEX 30. UV INDEX 5 OR MODERATE. CORNWALL - LANCASTER. TODAY..A MIX OF SUN AND CLOUD WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 37. UV INDEX 9 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 18. WEDNESDAY..CLOUDY. RAIN AT TIMES HEAVY BEGINNING LATE IN THE MORNING. RISK OF A THUNDERSTORM IN THE AFTERNOON. LOCAL AMOUNT 15 TO 25 MM. WIND BECOMING EAST 20 KM/H LATE IN THE AFTERNOON. HIGH 25. HUMIDEX 30. UV INDEX 5 OR MODERATE. WINCHESTER - NEWINGTON. TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 37. UV INDEX 8 OR VERY HIGH. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 18. WEDNESDAY..CLOUDY. RAIN AT TIMES HEAVY BEGINNING LATE IN THE MORNING. RISK OF A THUNDERSTORM IN THE AFTERNOON. LOCAL AMOUNT 15 TO 25 MM. WIND BECOMING EAST 20 KM/H LATE IN THE AFTERNOON. HIGH 25. HUMIDEX 30. UV INDEX 5 OR MODERATE. MAXVILLE - ALEXANDRIA. TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. HIGH 29. HUMIDEX 37. UV INDEX 8 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 18. WEDNESDAY..CLOUDY. RAIN AT TIMES HEAVY BEGINNING LATE IN THE MORNING. RISK OF A THUNDERSTORM IN THE AFTERNOON. LOCAL AMOUNT 15 TO 25 MM. WIND BECOMING EAST 20 KM/H LATE IN THE AFTERNOON. HIGH 25. HUMIDEX 30. UV INDEX 5 OR MODERATE. PLEVNA - SHARBOT LAKE - WESTERN LANARK COUNTY. TODAY..A MIX OF SUN AND CLOUD WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND SOUTHWEST 20 KM/H GUSTING TO 40. HIGH 28. HUMIDEX 34. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. WIND WEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 17. WEDNESDAY..CLOUDY. RAIN AT TIMES HEAVY BEGINNING IN THE MORNING. RISK OF A THUNDERSTORM LATE IN THE MORNING AND IN THE AFTERNOON. LOCAL AMOUNT 30 TO 40 MM. HIGH 24. HUMIDEX 30. UV INDEX 2 OR LOW. SMITHS FALLS - PERTH - EASTERN LANARK COUNTY. TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. WIND SOUTHWEST 20 KM/H GUSTING TO 40. HIGH 28. HUMIDEX 34. UV INDEX 9 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. WIND WEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 17. WEDNESDAY..CLOUDY. RAIN AT TIMES HEAVY BEGINNING LATE IN THE MORNING. RISK OF A THUNDERSTORM IN THE AFTERNOON. LOCAL AMOUNT 15 TO 25 MM. HIGH 24. HUMIDEX 30. UV INDEX 5 OR MODERATE. PORT CARLING - PORT SEVERN. TODAY..A MIX OF SUN AND CLOUD. HIGH 25. HUMIDEX 32. UV INDEX 9 OR VERY HIGH. TONIGHT..A FEW CLOUDS. INCREASING CLOUDINESS OVERNIGHT. LOW 15. WEDNESDAY..CLOUDY. RAIN BEGINNING IN THE MORNING. RISK OF A THUNDERSTORM LATE IN THE MORNING AND IN THE AFTERNOON. LOCAL AMOUNT 20 TO 30 MM. WIND BECOMING NORTHEAST 20 KM/H LATE IN THE AFTERNOON. HIGH 21. HUMIDEX 26. UV INDEX 2 OR LOW. BRACEBRIDGE - GRAVENHURST. TODAY..A MIX OF SUN AND CLOUD. WIND BECOMING WEST 20 KM/H THIS AFTERNOON. HIGH 27. HUMIDEX 34. UV INDEX 9 OR VERY HIGH. TONIGHT..CLEAR. INCREASING CLOUDINESS AFTER MIDNIGHT. LOW 15. WEDNESDAY..CLOUDY. RAIN BEGINNING IN THE MORNING. RISK OF A THUNDERSTORM LATE IN THE MORNING AND IN THE AFTERNOON. LOCAL AMOUNT 20 TO 30 MM. WIND BECOMING NORTHEAST 20 KM/H LATE IN THE AFTERNOON. HIGH 21. HUMIDEX 26. UV INDEX 2 OR LOW. TOWN OF PARRY SOUND - ROSSEAU - KILLBEAR PARK. TODAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD THIS AFTERNOON. HIGH 25. HUMIDEX 32. UV INDEX 8 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. LOW 15. WEDNESDAY..CLOUDY. RAIN BEGINNING IN THE MORNING. RISK OF A THUNDERSTORM LATE IN THE MORNING AND IN THE AFTERNOON. LOCAL AMOUNT 10 TO 15 MM. WIND BECOMING NORTHEAST 20 KM/H LATE IN THE AFTERNOON. HIGH 21. HUMIDEX 26. UV INDEX 2 OR LOW. HUNTSVILLE - BAYSVILLE. TODAY..CLOUDY. CLEARING LATE THIS AFTERNOON. WIND BECOMING WEST 20 KM/H THIS AFTERNOON. HIGH 27. HUMIDEX 34. UV INDEX 7 OR HIGH. TONIGHT..CLEAR. BECOMING PARTLY CLOUDY BEFORE MORNING. LOW 15. WEDNESDAY..CLOUDY. RAIN BEGINNING IN THE MORNING. RISK OF A THUNDERSTORM LATE IN THE MORNING AND IN THE AFTERNOON. LOCAL AMOUNT 10 TO 15 MM. WIND BECOMING NORTHEAST 20 KM/H LATE IN THE AFTERNOON. HIGH 21. HUMIDEX 26. UV INDEX 2 OR LOW. HALIBURTON - MINDEN - SOUTHERN HALIBURTON COUNTY. TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND WEST 20 KM/H. HIGH 27. HUMIDEX 35. UV INDEX 8 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 15. WEDNESDAY..CLOUDY. RAIN BEGINNING IN THE MORNING. RISK OF A THUNDERSTORM LATE IN THE MORNING AND IN THE AFTERNOON. LOCAL AMOUNT 20 TO 30 MM. HIGH 20. HUMIDEX 27. UV INDEX 2 OR LOW. OXTONGUE LAKE - FORT IRWIN - NORTHERN HALIBURTON COUNTY. TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND WEST 20 KM/H. HIGH 27. HUMIDEX 35. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 15. WEDNESDAY..CLOUDY. RAIN BEGINNING IN THE MORNING. RISK OF A THUNDERSTORM LATE IN THE MORNING AND IN THE AFTERNOON. LOCAL AMOUNT 20 TO 30 MM. HIGH 20. HUMIDEX 27. UV INDEX 2 OR LOW. BARRY'S BAY - KILLALOE. TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND SOUTH 20 KM/H BECOMING WEST 20 THIS AFTERNOON. HIGH 27. HUMIDEX 35. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 16. WEDNESDAY..CLOUDY. RAIN BEGINNING IN THE MORNING. RISK OF A THUNDERSTORM LATE IN THE MORNING AND IN THE AFTERNOON. LOCAL AMOUNT 10 TO 15 MM. HIGH 21. HUMIDEX 27. UV INDEX 2 OR LOW. RENFREW - ARNPRIOR - CALABOGIE. TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND SOUTH 20 KM/H BECOMING WEST 20 THIS AFTERNOON. HIGH 27. HUMIDEX 35. UV INDEX 8 OR VERY HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 16. WEDNESDAY..CLOUDY. RAIN BEGINNING IN THE MORNING. RISK OF A THUNDERSTORM LATE IN THE MORNING AND IN THE AFTERNOON. LOCAL AMOUNT 10 TO 15 MM. HIGH 21. HUMIDEX 27. UV INDEX 2 OR LOW. PETAWAWA - PEMBROKE - COBDEN. TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 27. HUMIDEX 35. UV INDEX 7 OR HIGH. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 16. WEDNESDAY..BECOMING CLOUDY IN THE MORNING THEN RAIN. RISK OF A THUNDERSTORM LATE IN THE MORNING AND IN THE AFTERNOON. LOCAL AMOUNT 10 TO 15 MM. HIGH 24. HUMIDEX 29. UV INDEX 2 OR LOW. WESTERN ALGONQUIN PARK - LAKE OF TWO RIVERS. TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING WEST 20 KM/H LATE THIS AFTERNOON. HIGH 27. HUMIDEX 35. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. OTHERWISE CLEAR. RISK OF A THUNDERSTORM EARLY THIS EVENING. WIND WEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 14. WEDNESDAY..CLOUDY. RAIN BEGINNING IN THE MORNING. RISK OF A THUNDERSTORM LATE IN THE MORNING AND IN THE AFTERNOON. LOCAL AMOUNT 10 TO 15 MM. HIGH 21. HUMIDEX 27. UV INDEX 2 OR LOW. DEEP RIVER - WHITNEY - EASTERN ALGONQUIN PARK. TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS AFTERNOON WITH RISK OF A THUNDERSTORM. WIND BECOMING WEST 20 KM/H LATE THIS AFTERNOON. HIGH 27. HUMIDEX 35. UV INDEX 6 OR HIGH. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. WIND WEST 20 KM/H BECOMING LIGHT THIS EVENING. LOW 14. WEDNESDAY..CLOUDY. RAIN BEGINNING IN THE MORNING. RISK OF A THUNDERSTORM LATE IN THE MORNING AND IN THE AFTERNOON. LOCAL AMOUNT 10 TO 15 MM. HIGH 21. HUMIDEX 27. UV INDEX 2 OR LOW. BAYFIELD INLET - DUNCHURCH. TODAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD THIS AFTERNOON. WIND BECOMING WEST 20 KM/H THIS AFTERNOON. HIGH 25. HUMIDEX 32. UV INDEX 7 OR HIGH. TONIGHT..A FEW CLOUDS. LOW 15. WEDNESDAY..CLOUDY. RAIN BEGINNING IN THE MORNING. RISK OF A THUNDERSTORM LATE IN THE MORNING AND IN THE AFTERNOON. LOCAL AMOUNT 10 TO 15 MM. WIND BECOMING NORTHEAST 20 KM/H LATE IN THE AFTERNOON. HIGH 21. HUMIDEX 26. UV INDEX 2 OR LOW. SOUTH RIVER - BURK'S FALLS. TODAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD THIS AFTERNOON. WIND BECOMING WEST 20 KM/H THIS AFTERNOON. HIGH 27. HUMIDEX 34. UV INDEX 7 OR HIGH. TONIGHT..A FEW CLOUDS. LOW 15. WEDNESDAY..CLOUDY. RAIN BEGINNING IN THE MORNING. RISK OF A THUNDERSTORM LATE IN THE MORNING AND IN THE AFTERNOON. LOCAL AMOUNT 10 TO 15 MM. WIND BECOMING NORTHEAST 20 KM/H LATE IN THE AFTERNOON. HIGH 21. HUMIDEX 26. UV INDEX 2 OR LOW. END