####018008709#### FPCN11 CWTO 191916 FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL REGION ISSUED BY ENVIRONMENT CANADA AT 3:30 P.M. EDT SUNDAY 19 MAY 2024 FOR TONIGHT MONDAY AND MONDAY NIGHT. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. EDT MONDAY. CITY OF TORONTO VAUGHAN - RICHMOND HILL - MARKHAM PICKERING - OSHAWA - SOUTHERN DURHAM REGION. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING AFTER MIDNIGHT. LOW 14. MONDAY..MAINLY SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 21. UV INDEX 8 OR VERY HIGH. MONDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE IN THE EVENING AND OVERNIGHT. LOW 15. WINDSOR - ESSEX - CHATHAM-KENT. TONIGHT..A FEW SHOWERS ENDING THIS EVENING THEN PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY THIS EVENING. FOG PATCHES DEVELOPING AFTER MIDNIGHT. LOW 14. MONDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 29. HUMIDEX 30. UV INDEX 9 OR VERY HIGH. MONDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM IN THE EVENING. LOW 17. SARNIA - PETROLIA - WESTERN LAMBTON COUNTY. TONIGHT..A FEW SHOWERS ENDING EARLY THIS EVENING THEN PARTLY CLOUDY. RISK OF A THUNDERSTORM EARLY THIS EVENING. LOW 14. MONDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 21. UV INDEX 8 OR VERY HIGH. MONDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. LOW 15. WATFORD - PINERY PARK - EASTERN LAMBTON COUNTY GODERICH - BLUEWATER - SOUTHERN HURON COUNTY. TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 14. MONDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 21. UV INDEX 8 OR VERY HIGH. MONDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. LOW 15. ELGIN. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING AFTER MIDNIGHT. LOW 14. MONDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 29. HUMIDEX 30. UV INDEX 9 OR VERY HIGH. MONDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM IN THE EVENING. LOW 17. LONDON - MIDDLESEX OXFORD - BRANT CALEDON STRATFORD - MITCHELL - SOUTHERN PERTH COUNTY KITCHENER - CAMBRIDGE - REGION OF WATERLOO GUELPH - ERIN - SOUTHERN WELLINGTON COUNTY. TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 14. MONDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 21. UV INDEX 8 OR VERY HIGH. MONDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. LOW 15. SIMCOE - DELHI - NORFOLK DUNNVILLE - CALEDONIA - HALDIMAND NIAGARA CITY OF HAMILTON. TONIGHT..A FEW CLOUDS. FOG PATCHES DEVELOPING AFTER MIDNIGHT. LOW 14. MONDAY..MAINLY SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 21. UV INDEX 8 OR VERY HIGH. MONDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT. LOW 15. BURLINGTON - OAKVILLE HALTON HILLS - MILTON MISSISSAUGA - BRAMPTON. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. FOG PATCHES DEVELOPING AFTER MIDNIGHT. LOW 14. MONDAY..MAINLY SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 21. UV INDEX 8 OR VERY HIGH. MONDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT. LOW 15. NEWMARKET - GEORGINA - NORTHERN YORK REGION UXBRIDGE - BEAVERTON - NORTHERN DURHAM REGION. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 14. MONDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 21. UV INDEX 8 OR VERY HIGH. MONDAY NIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. RISK OF A THUNDERSTORM EARLY IN THE EVENING. LOW 15. WINGHAM - BLYTH - NORTHERN HURON COUNTY SAUGEEN SHORES - KINCARDINE - SOUTHERN BRUCE COUNTY. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 14. MONDAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 21. UV INDEX 8 OR VERY HIGH. MONDAY NIGHT..PARTLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. LOW 15. LISTOWEL - MILVERTON - NORTHERN PERTH COUNTY MOUNT FOREST - ARTHUR - NORTHERN WELLINGTON COUNTY DUFFERIN - INNISFIL HANOVER - DUNDALK - SOUTHERN GREY COUNTY OWEN SOUND - BLUE MOUNTAINS - NORTHERN GREY COUNTY BARRIE - ORILLIA - MIDLAND. TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 14. MONDAY..A MIX OF SUN AND CLOUD. 30 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 21. UV INDEX 8 OR VERY HIGH. MONDAY NIGHT..PARTLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. LOW 15. BRUCE PENINSULA - SAUBLE BEACH - TOBERMORY. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 14. MONDAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS IN THE AFTERNOON WITH RISK OF A THUNDERSTORM. HIGH 21. UV INDEX 8 OR VERY HIGH. MONDAY NIGHT..PARTLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM. LOW 15. BELLEVILLE - QUINTE - NORTHUMBERLAND. TONIGHT..CLEAR. FOG PATCHES DEVELOPING AFTER MIDNIGHT. LOW 13. MONDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 30. UV INDEX 8 OR VERY HIGH. MONDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY NEAR MIDNIGHT. LOW 12. KINGSTON - PRINCE EDWARD STIRLING - TWEED - SOUTH FRONTENAC BROCKVILLE - LEEDS AND GRENVILLE. TONIGHT..CLEAR. FOG PATCHES DEVELOPING AFTER MIDNIGHT. LOW 13. MONDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 30. UV INDEX 8 OR VERY HIGH. MONDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY NEAR MIDNIGHT. LOW 12. PETERBOROUGH - KAWARTHA LAKES HALIBURTON - MINDEN - SOUTHERN HALIBURTON COUNTY. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 14. MONDAY..MAINLY SUNNY. HIGH 21. UV INDEX 8 OR VERY HIGH. MONDAY NIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS OVERNIGHT. LOW 15. BANCROFT - BON ECHO PARK RENFREW - PEMBROKE - BARRY'S BAY. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. OTHERWISE CLEAR. RISK OF A THUNDERSTORM EARLY THIS EVENING. LOW 13. MONDAY..SUNNY. HIGH 30. UV INDEX 8 OR VERY HIGH. MONDAY NIGHT..CLEAR IN THE EVENING THEN PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS OVERNIGHT. LOW 12. CITY OF OTTAWA GATINEAU PRESCOTT AND RUSSELL CORNWALL - MORRISBURG SMITHS FALLS - LANARK - SHARBOT LAKE. TONIGHT..CLEAR. LOW 13. MONDAY..SUNNY. HIGH 30. UV INDEX 8 OR VERY HIGH. MONDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY NEAR MIDNIGHT. LOW 12. PARRY SOUND - MUSKOKA. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 14. MONDAY..MAINLY SUNNY. HIGH 21. UV INDEX 8 OR VERY HIGH. MONDAY NIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS LATE IN THE EVENING AND OVERNIGHT WITH RISK OF A THUNDERSTORM. LOW 15. OXTONGUE LAKE - FORT IRWIN - NORTHERN HALIBURTON COUNTY DEEP RIVER - WHITNEY - EASTERN ALGONQUIN PARK. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING WITH RISK OF A THUNDERSTORM. LOW 14. MONDAY..MAINLY SUNNY. HIGH 21. UV INDEX 8 OR VERY HIGH. MONDAY NIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS OVERNIGHT WITH RISK OF A THUNDERSTORM. LOW 15. WESTERN ALGONQUIN PARK - LAKE OF TWO RIVERS BURK'S FALLS - BAYFIELD INLET. TONIGHT..PARTLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. OTHERWISE CLEAR. RISK OF A THUNDERSTORM EARLY THIS EVENING. LOW 8. MONDAY..SUNNY. HIGH 27. UV INDEX 8 OR VERY HIGH. MONDAY NIGHT..INCREASING CLOUDINESS. 60 PERCENT CHANCE OF SHOWERS LATE IN THE EVENING AND OVERNIGHT WITH RISK OF A THUNDERSTORM. LOW 13. END