FPCN11 CWTO 130806 AAB
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL
REGION ISSUED BY ENVIRONMENT CANADA AT 4:04 A.M. EDT MONDAY 13 APRIL
2026 FOR TONIGHT MONDAY AND MONDAY NIGHT.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. EDT.

WINDSOR - LEAMINGTON - ESSEX COUNTY.
TONIGHT..SHOWERS. WIND SOUTHWEST 50 KM/H GUSTING TO 90. LOW 16.
MONDAY..SHOWERS ENDING IN THE MORNING THEN MAINLY CLOUDY WITH
 40 PERCENT CHANCE OF SHOWERS. WIND SOUTHWEST 40 KM/H GUSTING TO 70.
 HIGH 25. HUMIDEX 29. UV INDEX 7 OR HIGH.
MONDAY NIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY IN THE
 EVENING. SHOWERS BEGINNING OVERNIGHT. RISK OF A THUNDERSTORM
 OVERNIGHT. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE
 EVENING. WIND BECOMING SOUTHWEST 20 GUSTING TO 40 BEFORE MORNING.
 LOW 15.

CHATHAM-KENT - RONDEAU PARK.
TONIGHT..SHOWERS. WIND SOUTHWEST 50 KM/H GUSTING TO 90. TEMPERATURE
 STEADY NEAR 17.
MONDAY..SHOWERS ENDING IN THE MORNING THEN A MIX OF SUN AND CLOUD
 WITH 40 PERCENT CHANCE OF SHOWERS. WIND SOUTHWEST 40 KM/H GUSTING TO
 70. HIGH 22. HUMIDEX 26. UV INDEX 7 OR HIGH.
MONDAY NIGHT..CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY IN THE
 EVENING. SHOWERS BEGINNING OVERNIGHT. RISK OF A THUNDERSTORM
 OVERNIGHT. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE
 EVENING. WIND BECOMING SOUTHWEST 20 GUSTING TO 40 BEFORE MORNING.
 LOW 13.

RODNEY - SHEDDEN - WESTERN ELGIN COUNTY.
TONIGHT..SHOWERS. WIND SOUTHWEST 40 KM/H GUSTING TO 70. TEMPERATURE
 STEADY NEAR 14.
MONDAY..SHOWERS ENDING IN THE MORNING THEN MAINLY CLOUDY WITH
 40 PERCENT CHANCE OF SHOWERS. WIND SOUTHWEST 50 KM/H GUSTING TO 90
 BECOMING WEST 30 GUSTING TO 60 IN THE MORNING. HIGH 22. HUMIDEX 25.
 UV INDEX 7 OR HIGH.
MONDAY NIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY IN
 THE EVENING. SHOWERS BEGINNING OVERNIGHT. RISK OF A THUNDERSTORM
 OVERNIGHT. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE
 EVENING. LOW 13.

ST. THOMAS - AYLMER - EASTERN ELGIN COUNTY.
TONIGHT..SHOWERS. WIND SOUTHWEST 40 KM/H GUSTING TO 70. TEMPERATURE
 STEADY NEAR 14.
MONDAY..SHOWERS ENDING IN THE MORNING THEN MAINLY CLOUDY WITH
 40 PERCENT CHANCE OF SHOWERS. WIND SOUTHWEST 50 KM/H GUSTING TO 90
 BECOMING WEST 30 GUSTING TO 60 IN THE MORNING. HIGH 22. HUMIDEX 25.
 UV INDEX 6 OR HIGH.
MONDAY NIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY IN
 THE EVENING. SHOWERS BEGINNING OVERNIGHT. RISK OF A THUNDERSTORM
 OVERNIGHT. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE
 EVENING. LOW 12.

SIMCOE - DELHI - NORFOLK.
TONIGHT..SHOWERS. WIND SOUTHWEST 40 KM/H GUSTING TO 70. LOW 14.
MONDAY..SHOWERS ENDING IN THE MORNING THEN CLOUDY WITH 40 PERCENT
 CHANCE OF SHOWERS. WIND SOUTHWEST 50 KM/H GUSTING TO 90 DIMINISHING
 TO 30 GUSTING TO 60 NEAR NOON. HIGH 21. UV INDEX 5 OR MODERATE.
MONDAY NIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY IN
 THE EVENING. SHOWERS BEGINNING OVERNIGHT. RISK OF A THUNDERSTORM
 OVERNIGHT. WIND WEST 20 KM/H GUSTING TO 40 BECOMING LIGHT IN THE
 EVENING. LOW 12.

DUNNVILLE - CALEDONIA - HALDIMAND.
TONIGHT..CLOUDY. SHOWERS BEGINNING BEFORE MORNING. WIND SOUTHWEST
 40 KM/H GUSTING TO 70. LOW 16.
MONDAY..SHOWERS ENDING LATE IN THE MORNING THEN MAINLY CLOUDY WITH
 40 PERCENT CHANCE OF SHOWERS. WIND SOUTHWEST 50 KM/H GUSTING TO 90
 DIMINISHING TO 30 GUSTING TO 60 NEAR NOON. HIGH 21. HUMIDEX 25. UV
 INDEX 6 OR HIGH.
MONDAY NIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY IN
 THE EVENING. SHOWERS BEGINNING BEFORE MORNING. RISK OF A
 THUNDERSTORM BEFORE MORNING. WIND WEST 20 KM/H GUSTING TO 40
 BECOMING LIGHT IN THE EVENING. LOW 11.

NIAGARA FALLS - WELLAND - SOUTHERN NIAGARA REGION.
TONIGHT..CLOUDY. SHOWERS BEGINNING BEFORE MORNING. WIND SOUTHWEST
 40 KM/H GUSTING TO 70. LOW 16.
MONDAY..SHOWERS ENDING LATE IN THE MORNING THEN MAINLY CLOUDY WITH
 40 PERCENT CHANCE OF SHOWERS. WIND SOUTHWEST 50 KM/H GUSTING TO 90
 DIMINISHING TO 30 GUSTING TO 60 NEAR NOON. HIGH 19. UV INDEX 6 OR
 HIGH.
MONDAY NIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY IN
 THE EVENING. SHOWERS BEGINNING BEFORE MORNING. RISK OF A
 THUNDERSTORM BEFORE MORNING. WIND SOUTHWEST 20 KM/H GUSTING TO 40
 BECOMING LIGHT IN THE EVENING. LOW 10.

ST. CATHARINES - GRIMSBY - NORTHERN NIAGARA REGION.
TONIGHT..CLOUDY. SHOWERS BEGINNING BEFORE MORNING. WIND SOUTHWEST
 40 KM/H GUSTING TO 70. LOW 9.
MONDAY..SHOWERS ENDING LATE IN THE MORNING THEN MAINLY CLOUDY WITH
 40 PERCENT CHANCE OF SHOWERS. WIND SOUTHWEST 50 KM/H GUSTING TO 90
 DIMINISHING TO 30 GUSTING TO 60 NEAR NOON. HIGH 20. UV INDEX 6 OR
 HIGH.
MONDAY NIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY IN
 THE EVENING. SHOWERS BEGINNING BEFORE MORNING. RISK OF A
 THUNDERSTORM BEFORE MORNING. WIND SOUTHWEST 20 KM/H GUSTING TO 40
 BECOMING LIGHT IN THE EVENING. LOW 10.

REMAINDER UNCHANGED.

END