FPCN11 CWTO 211918 FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL REGION ISSUED BY ENVIRONMENT CANADA AT 3:30 P.M. EDT THURSDAY 21 MAY 2026 FOR TONIGHT FRIDAY AND FRIDAY NIGHT. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. EDT FRIDAY. CITY OF TORONTO. TONIGHT..CLEAR. WIND BECOMING NORTHEAST 20 KM/H AFTER MIDNIGHT. LOW PLUS 4. FRIDAY..SUNNY. WIND EAST 30 KM/H GUSTING TO 50. HIGH 16. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..A FEW CLOUDS. INCREASING CLOUDINESS AFTER MIDNIGHT. WIND EAST 30 KM/H GUSTING TO 50. LOW 11. WINDSOR - LEAMINGTON - ESSEX COUNTY. TONIGHT..PARTLY CLOUDY. CLEARING THIS EVENING. WIND NORTHEAST 30 KM/H BECOMING LIGHT LATE THIS EVENING. WIND BECOMING EAST 20 GUSTING TO 40 AFTER MIDNIGHT. LOW 9. FRIDAY..SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON. WIND EAST 30 KM/H GUSTING TO 50. HIGH 19. UV INDEX 9 OR VERY HIGH. FRIDAY NIGHT..CLOUDY. RAIN BEGINNING IN THE EVENING. AMOUNT 10 TO 15 MM. WIND EAST 30 KM/H GUSTING TO 50. LOW 12. CHATHAM-KENT - RONDEAU PARK. TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. WIND BECOMING EAST 30 KM/H GUSTING TO 50 LATE THIS EVENING. LOW 8. FRIDAY..SUNNY. INCREASING CLOUDINESS EARLY IN THE AFTERNOON. WIND EAST 30 KM/H GUSTING TO 50. HIGH 18. UV INDEX 9 OR VERY HIGH. FRIDAY NIGHT..CLOUDY. RAIN BEGINNING IN THE EVENING. AMOUNT 10 TO 15 MM. WIND EAST 30 KM/H GUSTING TO 50. LOW 12. SARNIA - PETROLIA - WESTERN LAMBTON COUNTY. TONIGHT..PARTLY CLOUDY. CLEARING THIS EVENING. WIND NORTH 30 KM/H GUSTING TO 50 BECOMING LIGHT LATE THIS EVENING. WIND BECOMING EAST 20 BEFORE MORNING. LOW 7. FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD LATE IN THE AFTERNOON. WIND EAST 30 KM/H GUSTING TO 50. HIGH 19. UV INDEX 9 OR VERY HIGH. FRIDAY NIGHT..CLOUDY. RAIN BEGINNING AFTER MIDNIGHT. WIND SOUTHEAST 30 KM/H GUSTING TO 50. LOW 12. WATFORD - PINERY PARK - EASTERN LAMBTON COUNTY. TONIGHT..CLEAR. WIND NORTHEAST 20 KM/H BECOMING LIGHT THIS EVENING. WIND BECOMING NORTHEAST 20 GUSTING TO 40 BEFORE MORNING. LOW 6. FRIDAY..SUNNY. WIND NORTHEAST 30 KM/H GUSTING TO 50. HIGH 19. UV INDEX 9 OR VERY HIGH. FRIDAY NIGHT..BECOMING CLOUDY IN THE EVENING. RAIN BEGINNING AFTER MIDNIGHT. WIND NORTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT NEAR MIDNIGHT. WIND BECOMING SOUTHEAST 20 BEFORE MORNING. LOW 12. RODNEY - SHEDDEN - WESTERN ELGIN COUNTY. TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. WIND EAST 20 KM/H BECOMING LIGHT EARLY THIS EVENING. WIND BECOMING EAST 30 GUSTING TO 50 AFTER MIDNIGHT. LOW 6. FRIDAY..SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON. WIND EAST 30 KM/H GUSTING TO 50. HIGH 18. UV INDEX 9 OR VERY HIGH. FRIDAY NIGHT..CLOUDY. RAIN BEGINNING AFTER MIDNIGHT. WIND EAST 30 KM/H GUSTING TO 50. LOW 12. ST. THOMAS - AYLMER - EASTERN ELGIN COUNTY. TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. WIND EAST 20 KM/H BECOMING LIGHT LATE THIS EVENING. WIND BECOMING EAST 30 GUSTING TO 50 AFTER MIDNIGHT. LOW 6. FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND EAST 30 KM/H GUSTING TO 50. HIGH 19. UV INDEX 9 OR VERY HIGH. FRIDAY NIGHT..CLOUDY. RAIN BEGINNING AFTER MIDNIGHT. WIND EAST 30 KM/H GUSTING TO 50. LOW 12. STRATHROY - KOMOKA - WESTERN MIDDLESEX COUNTY. TONIGHT..MAINLY CLOUDY. CLEARING THIS EVENING. WIND BECOMING EAST 20 KM/H AFTER MIDNIGHT. LOW PLUS 5. FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND EAST 20 KM/H GUSTING TO 40. HIGH 19. UV INDEX 9 OR VERY HIGH. FRIDAY NIGHT..CLOUDY. RAIN BEGINNING AFTER MIDNIGHT. WIND SOUTHEAST 30 KM/H GUSTING TO 50. LOW 12. LONDON - PARKHILL - EASTERN MIDDLESEX COUNTY. TONIGHT..PARTLY CLOUDY. CLEARING THIS EVENING. WIND BECOMING EAST 30 KM/H BEFORE MORNING. LOW PLUS 4. FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD LATE IN THE AFTERNOON. WIND EAST 30 KM/H GUSTING TO 50. HIGH 19. UV INDEX 9 OR VERY HIGH. FRIDAY NIGHT..CLOUDY. RAIN BEGINNING AFTER MIDNIGHT. WIND EAST 30 KM/H GUSTING TO 50. LOW 12. SIMCOE - DELHI - NORFOLK. TONIGHT..CLEAR. WIND NORTHEAST 20 KM/H BECOMING LIGHT THIS EVENING. WIND BECOMING EAST 20 GUSTING TO 40 BEFORE MORNING. LOW PLUS 5. FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND EAST 30 KM/H GUSTING TO 50. HIGH 18. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLOUDY. RAIN BEGINNING AFTER MIDNIGHT. WIND NORTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT NEAR MIDNIGHT. WIND BECOMING EAST 30 GUSTING TO 50 AFTER MIDNIGHT. LOW 11. DUNNVILLE - CALEDONIA - HALDIMAND. TONIGHT..CLEAR. WIND NORTHEAST 20 KM/H. LOW PLUS 4. FRIDAY..SUNNY. WIND NORTHEAST 30 KM/H GUSTING TO 50. HIGH 15. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..BECOMING CLOUDY IN THE EVENING. RAIN BEGINNING BEFORE MORNING. WIND NORTHEAST 20 KM/H GUSTING TO 40 BECOMING LIGHT NEAR MIDNIGHT. WIND BECOMING EAST 20 BEFORE MORNING. LOW 11. WOODSTOCK - TILLSONBURG - OXFORD COUNTY. TONIGHT..PARTLY CLOUDY. CLEARING THIS EVENING. WIND BECOMING EAST 20 KM/H GUSTING TO 40 BEFORE MORNING. LOW PLUS 4. FRIDAY..SUNNY. WIND EAST 30 KM/H GUSTING TO 50. HIGH 16. UV INDEX 9 OR VERY HIGH. FRIDAY NIGHT..BECOMING CLOUDY IN THE EVENING. RAIN BEGINNING BEFORE MORNING. WIND EAST 30 KM/H GUSTING TO 50. LOW 12. BRANTFORD - COUNTY OF BRANT. TONIGHT..CLEAR. LOW PLUS 4. FRIDAY..SUNNY. WIND BECOMING NORTHEAST 30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 15. UV INDEX 9 OR VERY HIGH. FRIDAY NIGHT..BECOMING CLOUDY IN THE EVENING. RAIN BEGINNING BEFORE MORNING. WIND NORTHEAST 30 KM/H GUSTING TO 50 BECOMING LIGHT NEAR MIDNIGHT. WIND BECOMING EAST 20 BEFORE MORNING. LOW 12. NIAGARA FALLS - WELLAND - SOUTHERN NIAGARA REGION. TONIGHT..CLEAR. WIND NORTHEAST 20 KM/H BECOMING LIGHT THIS EVENING. LOW PLUS 5. FRIDAY..SUNNY. WIND BECOMING NORTHEAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 20. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..BECOMING CLOUDY IN THE EVENING. RAIN BEGINNING BEFORE MORNING. WIND EAST 20 KM/H GUSTING TO 40 BECOMING LIGHT NEAR MIDNIGHT. WIND BECOMING SOUTHEAST 20 GUSTING TO 40 BEFORE MORNING. LOW 10. ST. CATHARINES - GRIMSBY - NORTHERN NIAGARA REGION. TONIGHT..CLEAR. LOW PLUS 5. FRIDAY..SUNNY. WIND BECOMING NORTHEAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 15. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..INCREASING CLOUDINESS. RAIN BEGINNING BEFORE MORNING. WIND EAST 20 KM/H GUSTING TO 40 BECOMING LIGHT NEAR MIDNIGHT. LOW 11. CITY OF HAMILTON. TONIGHT..CLEAR. WIND BECOMING NORTHEAST 20 KM/H BEFORE MORNING. LOW PLUS 4. FRIDAY..SUNNY. WIND NORTHEAST 30 KM/H GUSTING TO 50. HIGH 13. UV INDEX 9 OR VERY HIGH. FRIDAY NIGHT..BECOMING CLOUDY LATE IN THE EVENING. RAIN BEGINNING BEFORE MORNING. WIND NORTHEAST 30 KM/H GUSTING TO 50 BECOMING LIGHT NEAR MIDNIGHT. WIND BECOMING EAST 20 BEFORE MORNING. TEMPERATURE STEADY NEAR 10. BURLINGTON - OAKVILLE. TONIGHT..A FEW CLOUDS. WIND BECOMING NORTHEAST 20 KM/H BEFORE MORNING. LOW PLUS 4. FRIDAY..SUNNY. WIND NORTHEAST 30 KM/H GUSTING TO 50. HIGH 14. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..A FEW CLOUDS. INCREASING CLOUDINESS NEAR MIDNIGHT THEN RAIN BEGINNING BEFORE MORNING. WIND NORTHEAST 20 KM/H GUSTING TO 40. LOW 8. HALTON HILLS - MILTON. TONIGHT..CLEAR. WIND BECOMING EAST 20 KM/H BEFORE MORNING. LOW PLUS 3 WITH RISK OF FROST. FRIDAY..SUNNY. WIND EAST 20 KM/H GUSTING TO 40. HIGH 15. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..INCREASING CLOUDINESS. RAIN BEGINNING BEFORE MORNING. WIND EAST 20 KM/H GUSTING TO 40. LOW 8. MISSISSAUGA - BRAMPTON. TONIGHT..A FEW CLOUDS. LOW PLUS 3 WITH RISK OF FROST. FRIDAY..SUNNY. WIND BECOMING EAST 30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 16. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..A FEW CLOUDS. INCREASING CLOUDINESS AFTER MIDNIGHT. WIND EAST 20 KM/H GUSTING TO 40. LOW 8. CALEDON. TONIGHT..CLEAR. LOW PLUS 3 WITH RISK OF FROST. FRIDAY..SUNNY. WIND BECOMING EAST 30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 16. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. INCREASING CLOUDINESS AFTER MIDNIGHT. WIND EAST 20 KM/H BECOMING LIGHT IN THE EVENING. WIND BECOMING SOUTHEAST 20 GUSTING TO 40 AFTER MIDNIGHT. LOW 11. VAUGHAN - RICHMOND HILL - MARKHAM. TONIGHT..CLEAR. LOW PLUS 3 WITH RISK OF FROST. FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 17. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..A FEW CLOUDS. INCREASING CLOUDINESS OVERNIGHT. WIND EAST 20 KM/H GUSTING TO 40. LOW 11. NEWMARKET - GEORGINA - NORTHERN YORK REGION. TONIGHT..CLEAR. LOW PLUS 1 WITH PATCHY FROST. FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H IN THE MORNING. HIGH 19. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. INCREASING CLOUDINESS AFTER MIDNIGHT. WIND EAST 20 KM/H BECOMING LIGHT IN THE EVENING. WIND BECOMING SOUTHEAST 30 GUSTING TO 50 BEFORE MORNING. LOW 11. PICKERING - OSHAWA - SOUTHERN DURHAM REGION. TONIGHT..CLEAR. LOW PLUS 3 WITH RISK OF FROST. FRIDAY..SUNNY. WIND BECOMING EAST 30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 17. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY AFTER MIDNIGHT. WIND EAST 20 KM/H GUSTING TO 40. LOW 11. UXBRIDGE - BEAVERTON - NORTHERN DURHAM REGION. TONIGHT..CLEAR. LOW PLUS 1 WITH PATCHY FROST. FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 19. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY AFTER MIDNIGHT. WIND EAST 20 KM/H BECOMING LIGHT IN THE EVENING. WIND BECOMING SOUTHEAST 30 GUSTING TO 50 AFTER MIDNIGHT. LOW 11. GODERICH - BLUEWATER - SOUTHERN HURON COUNTY. TONIGHT..PARTLY CLOUDY. CLEARING THIS EVENING. WIND NORTH 30 KM/H BECOMING LIGHT THIS EVENING. WIND BECOMING EAST 30 AFTER MIDNIGHT. LOW PLUS 3 WITH RISK OF FROST. FRIDAY..SUNNY. WIND EAST 20 KM/H GUSTING TO 40. HIGH 18. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..INCREASING CLOUDINESS. RAIN BEGINNING BEFORE MORNING. WIND EAST 30 KM/H GUSTING TO 50. LOW 11. WINGHAM - BLYTH - NORTHERN HURON COUNTY. TONIGHT..PARTLY CLOUDY. BECOMING CLEAR THIS EVENING. WIND BECOMING EAST 20 KM/H BEFORE MORNING. LOW PLUS 3 WITH RISK OF FROST. FRIDAY..SUNNY. WIND EAST 20 KM/H GUSTING TO 40. HIGH 18. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..INCREASING CLOUDINESS. RAIN BEGINNING BEFORE MORNING. WIND SOUTHEAST 30 KM/H GUSTING TO 50. LOW 11. STRATFORD - MITCHELL - SOUTHERN PERTH COUNTY. TONIGHT..PARTLY CLOUDY. CLEARING THIS EVENING. WIND EAST 20 KM/H BECOMING LIGHT LATE THIS EVENING. WIND BECOMING EAST 30 BEFORE MORNING. LOW PLUS 3 WITH RISK OF FROST. FRIDAY..SUNNY. WIND EAST 30 KM/H GUSTING TO 50. HIGH 17. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..BECOMING CLOUDY IN THE EVENING. RAIN BEGINNING BEFORE MORNING. WIND EAST 30 KM/H GUSTING TO 50. LOW 11. LISTOWEL - MILVERTON - NORTHERN PERTH COUNTY. TONIGHT..PARTLY CLOUDY. CLEARING THIS EVENING. WIND BECOMING EAST 20 KM/H GUSTING TO 40 BEFORE MORNING. LOW PLUS 3 WITH RISK OF FROST. FRIDAY..SUNNY. WIND EAST 30 KM/H GUSTING TO 50. HIGH 17. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..INCREASING CLOUDINESS. RAIN BEGINNING BEFORE MORNING. WIND SOUTHEAST 30 KM/H GUSTING TO 70. LOW 11. KITCHENER - CAMBRIDGE - REGION OF WATERLOO. TONIGHT..A FEW CLOUDS. WIND EAST 20 KM/H. LOW PLUS 3 WITH RISK OF FROST. FRIDAY..SUNNY. WIND EAST 30 KM/H GUSTING TO 50. HIGH 15. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..INCREASING CLOUDINESS. RAIN BEGINNING BEFORE MORNING. WIND EAST 30 KM/H GUSTING TO 50. LOW 11. GUELPH - ERIN - SOUTHERN WELLINGTON COUNTY. TONIGHT..A FEW CLOUDS. WIND BECOMING EAST 20 KM/H BEFORE MORNING. LOW PLUS 3 WITH RISK OF FROST. FRIDAY..SUNNY. WIND EAST 30 KM/H GUSTING TO 50. HIGH 15. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..INCREASING CLOUDINESS. RAIN BEGINNING BEFORE MORNING. WIND EAST 20 KM/H GUSTING TO 40. LOW 11. MOUNT FOREST - ARTHUR - NORTHERN WELLINGTON COUNTY. TONIGHT..A FEW CLOUDS. WIND BECOMING EAST 20 KM/H BEFORE MORNING. LOW PLUS 2 WITH RISK OF FROST. FRIDAY..SUNNY. WIND EAST 20 KM/H GUSTING TO 40. HIGH 15. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY IN THE EVENING. WIND SOUTHEAST 30 KM/H GUSTING TO 50. LOW 11. ORANGEVILLE - GRAND VALLEY - SOUTHERN DUFFERIN COUNTY. TONIGHT..CLEAR. LOW PLUS 2 WITH RISK OF FROST. FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 18. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..A FEW CLOUDS. INCREASING CLOUDINESS AFTER MIDNIGHT. WIND EAST 20 KM/H. LOW 11. SHELBURNE - MANSFIELD - NORTHERN DUFFERIN COUNTY. TONIGHT..CLEAR. LOW PLUS 2 WITH RISK OF FROST. FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 18. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..A FEW CLOUDS. INCREASING CLOUDINESS AFTER MIDNIGHT. WIND SOUTHEAST 30 KM/H GUSTING TO 50. LOW 11. INNISFIL - NEW TECUMSETH - ANGUS. TONIGHT..CLEAR. LOW PLUS 1 WITH PATCHY FROST. FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H IN THE MORNING. HIGH 18. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY NEAR MIDNIGHT. WIND EAST 20 KM/H BECOMING LIGHT IN THE EVENING. WIND BECOMING SOUTHEAST 20 GUSTING TO 40 BEFORE MORNING. LOW 11. SAUGEEN SHORES - KINCARDINE - SOUTHERN BRUCE COUNTY. TONIGHT..CLEAR. WIND NORTH 30 KM/H BECOMING LIGHT EARLY THIS EVENING. WIND BECOMING EAST 20 BEFORE MORNING. LOW PLUS 2 WITH RISK OF FROST. FRIDAY..SUNNY. WIND EAST 20 KM/H GUSTING TO 40. HIGH 17. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..INCREASING CLOUDINESS. WIND SOUTHEAST 30 KM/H GUSTING TO 50. LOW 13. BRUCE PENINSULA - SAUBLE BEACH - TOBERMORY. TONIGHT..CLEAR. LOW PLUS 3 WITH RISK OF FROST. FRIDAY..MAINLY SUNNY. WIND BECOMING EAST 30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 15. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. WIND EAST 20 KM/H BECOMING LIGHT IN THE EVENING. WIND BECOMING EAST 20 GUSTING TO 40 NEAR MIDNIGHT. LOW 10. HANOVER - DUNDALK - SOUTHERN GREY COUNTY. TONIGHT..CLEAR. LOW PLUS 2 WITH RISK OF FROST. FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 15. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY NEAR MIDNIGHT. WIND EAST 30 KM/H GUSTING TO 50. LOW 11. OWEN SOUND - BLUE MOUNTAINS - NORTHERN GREY COUNTY. TONIGHT..CLEAR. LOW PLUS 2 WITH RISK OF FROST. FRIDAY..SUNNY. WIND BECOMING EAST 30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 15. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY AFTER MIDNIGHT. WIND EAST 20 KM/H GUSTING TO 40. LOW 11. BARRIE - COLLINGWOOD - HILLSDALE. TONIGHT..CLEAR. LOW PLUS 1 WITH PATCHY FROST. FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 17. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. WIND EAST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING. WIND BECOMING EAST 20 GUSTING TO 40 NEAR MIDNIGHT. LOW 11. MIDLAND - COLDWATER - ORR LAKE. TONIGHT..CLEAR. LOW PLUS 1 WITH PATCHY FROST. FRIDAY..SUNNY. WIND BECOMING EAST 30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 16. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. WIND EAST 20 KM/H GUSTING TO 40. LOW 11. ORILLIA - LAGOON CITY - WASHAGO. TONIGHT..CLEAR. WIND NORTHEAST 20 KM/H BECOMING LIGHT LATE THIS EVENING. LOW PLUS 1 WITH PATCHY FROST. FRIDAY..SUNNY. WIND BECOMING EAST 30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 17. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. WIND EAST 30 KM/H. LOW 11. COBOURG - COLBORNE - WESTERN NORTHUMBERLAND COUNTY. TONIGHT..CLEAR. LOW PLUS 3 WITH RISK OF FROST. FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 18. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. WIND EAST 20 KM/H. LOW 10. BELLEVILLE - QUINTE WEST - EASTERN NORTHUMBERLAND COUNTY. TONIGHT..CLEAR. LOW PLUS 3 WITH RISK OF FROST. FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 19. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. WIND EAST 20 KM/H. LOW 10. PICTON - SANDBANKS PARK. TONIGHT..CLEAR. LOW PLUS 3 WITH RISK OF FROST. FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 17. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. WIND EAST 20 KM/H. LOW 10. NAPANEE - CONSECON. TONIGHT..CLEAR. LOW PLUS 3 WITH RISK OF FROST. FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 19. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. WIND EAST 20 KM/H. LOW 10. KINGSTON - ODESSA - FRONTENAC ISLANDS. TONIGHT..CLEAR. LOW PLUS 3 WITH RISK OF FROST. FRIDAY..SUNNY. WIND BECOMING NORTHEAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 18. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. WIND NORTHEAST 20 KM/H BECOMING LIGHT NEAR MIDNIGHT. LOW 9. LINDSAY - SOUTHERN KAWARTHA LAKES. TONIGHT..CLEAR. LOW PLUS 1 WITH PATCHY FROST. FRIDAY..SUNNY. WIND BECOMING EAST 30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 20. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. WIND EAST 20 KM/H. LOW 10. FENELON FALLS - BALSAM LAKE PARK - NORTHERN KAWARTHA LAKES. TONIGHT..CLEAR. LOW ZERO WITH PATCHY FROST. FRIDAY..SUNNY. WIND BECOMING EAST 30 KM/H GUSTING TO 50 IN THE MORNING. HIGH 20. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. WIND EAST 20 KM/H GUSTING TO 40. LOW 10. PETERBOROUGH CITY - LAKEFIELD - SOUTHERN PETERBOROUGH COUNTY. TONIGHT..CLEAR. LOW PLUS 1 WITH PATCHY FROST. FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 20. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. WIND EAST 20 KM/H. LOW 10. APSLEY - WOODVIEW - NORTHERN PETERBOROUGH COUNTY. TONIGHT..CLEAR. LOW ZERO WITH PATCHY FROST. FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 20. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. WIND EAST 20 KM/H BECOMING LIGHT IN THE EVENING. WIND BECOMING EAST 20 GUSTING TO 40 BEFORE MORNING. LOW 10. STIRLING - TWEED - MADOC. TONIGHT..CLEAR. LOW PLUS 1 WITH PATCHY FROST. FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 18. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. WIND EAST 20 KM/H BECOMING LIGHT IN THE EVENING. LOW 11. TAMWORTH - SYDENHAM - SOUTH FRONTENAC. TONIGHT..CLEAR. LOW PLUS 1 WITH PATCHY FROST. FRIDAY..SUNNY. WIND BECOMING NORTHEAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 18. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. WIND NORTHEAST 20 KM/H BECOMING LIGHT IN THE EVENING. LOW 11. KALADAR - BANNOCKBURN - BON ECHO PARK. TONIGHT..CLEAR. LOW ZERO WITH PATCHY FROST. FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 18. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. WIND EAST 20 KM/H BECOMING LIGHT IN THE EVENING. LOW 10. BANCROFT - HASTINGS HIGHLANDS - DENBIGH. TONIGHT..CLEAR. LOW MINUS 1 WITH FROST. FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 18. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. WIND EAST 20 KM/H BECOMING LIGHT IN THE EVENING. LOW PLUS 3. GANANOQUE - MALLORYTOWN. TONIGHT..CLEAR. LOW PLUS 1 WITH PATCHY FROST. FRIDAY..SUNNY. WIND BECOMING NORTHEAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 18. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. WIND NORTHEAST 20 KM/H BECOMING LIGHT IN THE EVENING. LOW 10. BROCKVILLE - PRESCOTT. TONIGHT..CLEAR. LOW PLUS 1 WITH PATCHY FROST. FRIDAY..SUNNY. WIND BECOMING NORTHEAST 20 KM/H IN THE MORNING. HIGH 18. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. WIND NORTHEAST 20 KM/H BECOMING LIGHT IN THE EVENING. LOW 10. WESTPORT - CHARLESTON LAKE. TONIGHT..CLEAR. LOW PLUS 1 WITH PATCHY FROST. FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H IN THE MORNING. HIGH 18. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. WIND NORTHEAST 20 KM/H BECOMING LIGHT IN THE EVENING. LOW 10. MERRICKVILLE-WOLFORD - KEMPTVILLE. TONIGHT..CLEAR. LOW PLUS 1 WITH PATCHY FROST. FRIDAY..SUNNY. WIND EAST 20 KM/H BECOMING LIGHT IN THE AFTERNOON. HIGH 20. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. LOW PLUS 5. OTTAWA NORTH - KANATA - ORLEANS. TONIGHT..CLEAR. LOW ZERO WITH PATCHY FROST. FRIDAY..SUNNY. HIGH 19. UV INDEX 7 OR HIGH. FRIDAY NIGHT..CLEAR. LOW 7. OTTAWA SOUTH - RICHMOND - METCALFE. TONIGHT..CLEAR. LOW ZERO WITH PATCHY FROST. FRIDAY..SUNNY. HIGH 19. UV INDEX 7 OR HIGH. FRIDAY NIGHT..CLEAR. LOW 7. GATINEAU. TONIGHT..CLEAR. LOW ZERO WITH PATCHY FROST. FRIDAY..SUNNY. HIGH 19. UV INDEX 7 OR HIGH. FRIDAY NIGHT..CLEAR. LOW 7. PRESCOTT AND RUSSELL. TONIGHT..CLEAR. LOW ZERO WITH PATCHY FROST. FRIDAY..SUNNY. HIGH 19. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. LOW 6. MORRISBURG - LONG SAULT. TONIGHT..CLEAR. LOW PLUS 1 WITH PATCHY FROST. FRIDAY..SUNNY. HIGH 19. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. LOW 7. CORNWALL - LANCASTER. TONIGHT..CLEAR. LOW ZERO WITH PATCHY FROST. FRIDAY..SUNNY. HIGH 19. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. LOW 7. WINCHESTER - NEWINGTON. TONIGHT..CLEAR. LOW ZERO WITH PATCHY FROST. FRIDAY..SUNNY. HIGH 19. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. LOW 7. MAXVILLE - ALEXANDRIA. TONIGHT..CLEAR. LOW ZERO WITH PATCHY FROST. FRIDAY..SUNNY. HIGH 19. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. LOW PLUS 5. PLEVNA - SHARBOT LAKE - WESTERN LANARK COUNTY. TONIGHT..CLEAR. LOW ZERO WITH PATCHY FROST. FRIDAY..SUNNY. WIND EAST 20 KM/H BECOMING LIGHT IN THE AFTERNOON. HIGH 18. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. LOW 8. SMITHS FALLS - PERTH - EASTERN LANARK COUNTY. TONIGHT..CLEAR. LOW ZERO WITH PATCHY FROST. FRIDAY..SUNNY. WIND EAST 20 KM/H BECOMING LIGHT IN THE AFTERNOON. HIGH 18. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. LOW 8. PORT CARLING - PORT SEVERN. TONIGHT..CLEAR. WIND NORTHWEST 20 KM/H BECOMING LIGHT EARLY THIS EVENING. LOW ZERO WITH PATCHY FROST. FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 19. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. WIND EAST 30 KM/H GUSTING TO 50. LOW 10. BRACEBRIDGE - GRAVENHURST. TONIGHT..CLEAR. LOW ZERO WITH PATCHY FROST. FRIDAY..MAINLY SUNNY. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 19. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. WIND EAST 20 KM/H BECOMING LIGHT IN THE EVENING. WIND BECOMING EAST 30 GUSTING TO 50 NEAR MIDNIGHT. LOW 10. TOWN OF PARRY SOUND - ROSSEAU - KILLBEAR PARK. TONIGHT..CLEAR. WIND NORTHEAST 20 KM/H BECOMING LIGHT EARLY THIS EVENING. LOW ZERO WITH PATCHY FROST. FRIDAY..MAINLY SUNNY. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 19. UV INDEX 7 OR HIGH. FRIDAY NIGHT..CLEAR. WIND EAST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE EVENING. WIND BECOMING EAST 20 GUSTING TO 40 NEAR MIDNIGHT. LOW 11. HUNTSVILLE - BAYSVILLE. TONIGHT..CLEAR. LOW MINUS 1 WITH FROST. FRIDAY..MAINLY SUNNY. WIND BECOMING SOUTHEAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 18. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. WIND EAST 20 KM/H BECOMING LIGHT IN THE EVENING. WIND BECOMING EAST 30 GUSTING TO 50 BEFORE MORNING. LOW 10. HALIBURTON - MINDEN - SOUTHERN HALIBURTON COUNTY. TONIGHT..CLEAR. LOW MINUS 1 WITH PATCHY FROST. FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 17. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. WIND EAST 20 KM/H BECOMING LIGHT IN THE EVENING. WIND BECOMING EAST 20 GUSTING TO 40 AFTER MIDNIGHT. LOW 10. OXTONGUE LAKE - FORT IRWIN - NORTHERN HALIBURTON COUNTY. TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 1 WITH FROST. WIND CHILL MINUS 5 OVERNIGHT. FRIDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 17. UV INDEX 8 OR VERY HIGH. FRIDAY NIGHT..CLEAR. WIND EAST 20 KM/H. LOW 10. BARRY'S BAY - KILLALOE. TONIGHT..CLEAR. LOW MINUS 1 WITH FROST. FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H LATE IN THE MORNING. HIGH 19. UV INDEX 7 OR HIGH. FRIDAY NIGHT..CLEAR. LOW 6. RENFREW - ARNPRIOR - CALABOGIE. TONIGHT..CLEAR. LOW ZERO WITH PATCHY FROST. FRIDAY..SUNNY. HIGH 19. UV INDEX 7 OR HIGH. FRIDAY NIGHT..CLEAR. LOW 6. PETAWAWA - PEMBROKE - COBDEN. TONIGHT..CLEAR. LOW ZERO WITH PATCHY FROST. FRIDAY..SUNNY. HIGH 19. UV INDEX 7 OR HIGH. FRIDAY NIGHT..CLEAR. LOW 6. WESTERN ALGONQUIN PARK - LAKE OF TWO RIVERS. TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 1 WITH FROST. WIND CHILL MINUS 3 OVERNIGHT. FRIDAY..SUNNY. WIND EAST 20 KM/H BECOMING LIGHT IN THE AFTERNOON. HIGH 17. UV INDEX 7 OR HIGH. FRIDAY NIGHT..CLEAR. WIND BECOMING EAST 20 KM/H BEFORE MORNING. LOW PLUS 5. DEEP RIVER - WHITNEY - EASTERN ALGONQUIN PARK. TONIGHT..CLEAR. WIND UP TO 15 KM/H. LOW MINUS 1 WITH FROST. WIND CHILL MINUS 3 OVERNIGHT. FRIDAY..SUNNY. WIND EAST 20 KM/H BECOMING LIGHT IN THE AFTERNOON. HIGH 17. UV INDEX 7 OR HIGH. FRIDAY NIGHT..CLEAR. WIND BECOMING EAST 20 KM/H BEFORE MORNING. LOW PLUS 5. BAYFIELD INLET - DUNCHURCH. TONIGHT..CLEAR. WIND NORTH 20 KM/H BECOMING LIGHT EARLY THIS EVENING. LOW ZERO WITH PATCHY FROST. FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 19. UV INDEX 7 OR HIGH. FRIDAY NIGHT..CLEAR. WIND EAST 20 KM/H BECOMING LIGHT IN THE EVENING. WIND BECOMING SOUTHEAST 20 GUSTING TO 40 BEFORE MORNING. LOW 10. SOUTH RIVER - BURK'S FALLS. TONIGHT..CLEAR. WIND NORTH 20 KM/H BECOMING LIGHT EARLY THIS EVENING. LOW MINUS 1 WITH FROST. FRIDAY..SUNNY. WIND BECOMING EAST 20 KM/H GUSTING TO 40 IN THE MORNING. HIGH 18. UV INDEX 7 OR HIGH. FRIDAY NIGHT..CLEAR. WIND EAST 20 KM/H BECOMING LIGHT IN THE EVENING. WIND BECOMING SOUTHEAST 20 GUSTING TO 40 BEFORE MORNING. LOW 10. END