954  
FPCN11 CWTO 041916  
FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL REGION ISSUED  
BY ENVIRONMENT CANADA AT 3:30 P.M. EDT TUESDAY 4 AUGUST 2026 FOR  
TONIGHT WEDNESDAY AND WEDNESDAY NIGHT.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 5:00 A.M. EDT  
WEDNESDAY.  
 
CITY OF TORONTO.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 16.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 29.  
HUMIDEX 35. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR. LOW 18.  
 
WINDSOR - LEAMINGTON - ESSEX COUNTY.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 17.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 30.  
HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..INCREASING CLOUDINESS EARLY IN THE EVENING. WIND  
BECOMING NORTHWEST 20 KM/H BEFORE MORNING. LOW 17.  
 
CHATHAM-KENT - RONDEAU PARK.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 17.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 29.  
HUMIDEX 35. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..A FEW CLOUDS. LOW 17.  
 
SARNIA - PETROLIA - WESTERN LAMBTON COUNTY.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 14.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 30.  
HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..INCREASING CLOUDINESS EARLY IN THE EVENING. WIND  
BECOMING NORTH 20 KM/H GUSTING TO 40 BEFORE MORNING. LOW 19.  
 
WATFORD - PINERY PARK - EASTERN LAMBTON COUNTY.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 13.  
WEDNESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD LATE IN THE  
MORNING. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 29. HUMIDEX  
33. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..A FEW CLOUDS. LOW 19.  
 
RODNEY - SHEDDEN - WESTERN ELGIN COUNTY.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 13.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 29.  
HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..A FEW CLOUDS. LOW 17.  
 
ST. THOMAS - AYLMER - EASTERN ELGIN COUNTY.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 13.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 29.  
HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR. LOW 17.  
 
STRATHROY - KOMOKA - WESTERN MIDDLESEX COUNTY.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 12.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 29.  
HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..INCREASING CLOUDINESS IN THE EVENING. LOW 17.  
 
LONDON - PARKHILL - EASTERN MIDDLESEX COUNTY.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 12.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 29.  
HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY NEAR MIDNIGHT. LOW 17.  
 
SIMCOE - DELHI - NORFOLK.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 12.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 29.  
HUMIDEX 33. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR. LOW 15.  
 
DUNNVILLE - CALEDONIA - HALDIMAND.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 14.  
WEDNESDAY..MAINLY SUNNY. FOG PATCHES DISSIPATING IN THE MORNING.  
HIGH 29. HUMIDEX 36. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..A FEW CLOUDS. LOW 19.  
 
WOODSTOCK - TILLSONBURG - OXFORD COUNTY.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 12.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. WIND  
BECOMING SOUTHWEST 20 KM/H LATE IN THE MORNING. HIGH 29. HUMIDEX 33.  
UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR. LOW 15.  
 
BRANTFORD - COUNTY OF BRANT.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 13.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 29.  
HUMIDEX 33. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR. LOW 15.  
 
NIAGARA FALLS - WELLAND - SOUTHERN NIAGARA REGION.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 17.  
WEDNESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE MORNING. FOG  
PATCHES DISSIPATING IN THE MORNING. HIGH 29. HUMIDEX 36. UV INDEX 9  
OR VERY HIGH.  
WEDNESDAY NIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS  
OVERNIGHT WITH RISK OF A THUNDERSTORM. TEMPERATURE STEADY NEAR 23.  
 
ST. CATHARINES - GRIMSBY - NORTHERN NIAGARA REGION.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 16.  
WEDNESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD NEAR NOON. FOG  
PATCHES DISSIPATING IN THE MORNING. HIGH 29. HUMIDEX 36. UV INDEX 8  
OR VERY HIGH.  
WEDNESDAY NIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS  
OVERNIGHT WITH RISK OF A THUNDERSTORM. LOW 21.  
 
CITY OF HAMILTON.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 14.  
WEDNESDAY..MAINLY SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. WIND  
BECOMING SOUTH 20 KM/H LATE IN THE MORNING. HIGH 29. HUMIDEX 34. UV  
INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR. LOW 18.  
 
BURLINGTON - OAKVILLE.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 14.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 29.  
HUMIDEX 36. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR. LOW 17.  
 
HALTON HILLS - MILTON.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 12.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. WIND  
BECOMING SOUTHWEST 20 KM/H LATE IN THE MORNING. HIGH 29. HUMIDEX 36.  
UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR. LOW 17.  
 
MISSISSAUGA - BRAMPTON.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 15.  
WEDNESDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD LATE IN THE  
AFTERNOON. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 29. HUMIDEX  
35. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR. LOW 17.  
 
CALEDON.  
TONIGHT..CLEAR. LOW 14.  
WEDNESDAY..SUNNY. WIND BECOMING SOUTHWEST 20 KM/H LATE IN THE  
MORNING. HIGH 29. HUMIDEX 35. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..A FEW CLOUDS. LOW 17.  
 
VAUGHAN - RICHMOND HILL - MARKHAM.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 15.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 29.  
HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..PARTLY CLOUDY. BECOMING CLEAR IN THE EVENING.  
LOW 15.  
 
NEWMARKET - GEORGINA - NORTHERN YORK REGION.  
TONIGHT..CLEAR. LOW 13.  
WEDNESDAY..SUNNY. HIGH 29. HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEARING. LOW 15.  
 
PICKERING - OSHAWA - SOUTHERN DURHAM REGION.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 14.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 29.  
HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..A FEW CLOUDS. LOW 15.  
 
UXBRIDGE - BEAVERTON - NORTHERN DURHAM REGION.  
TONIGHT..CLEAR. LOW 13.  
WEDNESDAY..SUNNY. HIGH 29. HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEARING. LOW 15.  
 
GODERICH - BLUEWATER - SOUTHERN HURON COUNTY.  
TONIGHT..CLEAR. WIND BECOMING SOUTH 20 KM/H THIS EVENING. LOW 14.  
WEDNESDAY..SUNNY. HIGH 29. HUMIDEX 34. UV INDEX 8 OR VERY HIGH.  
WEDNESDAY NIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS  
OVERNIGHT WITH RISK OF A THUNDERSTORM. LOW 18.  
 
WINGHAM - BLYTH - NORTHERN HURON COUNTY.  
TONIGHT..CLEAR. LOW 14.  
WEDNESDAY..SUNNY. HIGH 29. HUMIDEX 34. UV INDEX 8 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR EARLY IN THE EVENING THEN PARTLY CLOUDY WITH  
30 PERCENT CHANCE OF SHOWERS OVERNIGHT. RISK OF A THUNDERSTORM  
OVERNIGHT. LOW 17.  
 
STRATFORD - MITCHELL - SOUTHERN PERTH COUNTY.  
TONIGHT..CLEAR. LOW 13.  
WEDNESDAY..SUNNY. WIND BECOMING SOUTHWEST 20 KM/H LATE IN THE  
MORNING. HIGH 29. HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..A FEW CLOUDS. INCREASING CLOUDINESS NEAR MIDNIGHT.  
LOW 17.  
 
LISTOWEL - MILVERTON - NORTHERN PERTH COUNTY.  
TONIGHT..CLEAR. LOW 13.  
WEDNESDAY..SUNNY. WIND BECOMING SOUTHWEST 20 KM/H LATE IN THE  
MORNING. HIGH 29. HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..INCREASING CLOUDINESS. LOW 17.  
 
KITCHENER - CAMBRIDGE - REGION OF WATERLOO.  
TONIGHT..CLEAR. LOW 12.  
WEDNESDAY..SUNNY. WIND BECOMING SOUTHWEST 20 KM/H LATE IN THE  
MORNING. HIGH 29. HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY NEAR MIDNIGHT. LOW 16.  
 
GUELPH - ERIN - SOUTHERN WELLINGTON COUNTY.  
TONIGHT..CLEAR. LOW 12.  
WEDNESDAY..SUNNY. WIND BECOMING SOUTHWEST 20 KM/H LATE IN THE  
MORNING. HIGH 29. HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY AFTER MIDNIGHT.  
LOW 16.  
 
MOUNT FOREST - ARTHUR - NORTHERN WELLINGTON COUNTY.  
TONIGHT..CLEAR. LOW 12.  
WEDNESDAY..SUNNY. WIND BECOMING SOUTHWEST 20 KM/H IN THE AFTERNOON.  
HIGH 29. HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..INCREASING CLOUDINESS. LOW 16.  
 
ORANGEVILLE - GRAND VALLEY - SOUTHERN DUFFERIN COUNTY.  
TONIGHT..CLEAR. LOW 12.  
WEDNESDAY..SUNNY. WIND BECOMING SOUTHWEST 20 KM/H LATE IN THE  
MORNING. HIGH 29. HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..A FEW CLOUDS. LOW 17.  
 
SHELBURNE - MANSFIELD - NORTHERN DUFFERIN COUNTY.  
TONIGHT..CLEAR. LOW 12.  
WEDNESDAY..SUNNY. WIND BECOMING SOUTHWEST 20 KM/H LATE IN THE  
MORNING. HIGH 29. HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..A FEW CLOUDS. LOW 17.  
 
INNISFIL - NEW TECUMSETH - ANGUS.  
TONIGHT..CLEAR. LOW 12.  
WEDNESDAY..SUNNY. WIND BECOMING SOUTHWEST 20 KM/H IN THE AFTERNOON.  
HIGH 29. HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..A FEW CLOUDS. WIND SOUTHWEST 20 KM/H BECOMING LIGHT  
IN THE EVENING. LOW 17.  
 
SAUGEEN SHORES - KINCARDINE - SOUTHERN BRUCE COUNTY.  
TONIGHT..CLEAR. WIND SOUTH 20 KM/H BECOMING LIGHT EARLY THIS EVENING.  
LOW 14.  
WEDNESDAY..SUNNY. WIND BECOMING SOUTHWEST 20 KM/H LATE IN THE  
MORNING. HIGH 28. HUMIDEX 33. UV INDEX 8 OR VERY HIGH.  
WEDNESDAY NIGHT..INCREASING CLOUDINESS EARLY IN THE EVENING.  
30 PERCENT CHANCE OF SHOWERS OVERNIGHT WITH RISK OF A THUNDERSTORM.  
LOW 17.  
 
BRUCE PENINSULA - SAUBLE BEACH - TOBERMORY.  
TONIGHT..A FEW CLOUDS. WIND SOUTH 20 KM/H GUSTING TO 40 BECOMING  
LIGHT THIS EVENING. WIND BECOMING SOUTH 20 GUSTING TO 40 LATE THIS  
EVENING. LOW 17.  
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 27. HUMIDEX 33. UV INDEX 8 OR  
VERY HIGH.  
WEDNESDAY NIGHT..CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS AND RISK OF  
A THUNDERSTORM. LOW 16.  
 
HANOVER - DUNDALK - SOUTHERN GREY COUNTY.  
TONIGHT..CLEAR. LOW 14.  
WEDNESDAY..SUNNY. HIGH 29. HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR. INCREASING CLOUDINESS NEAR MIDNIGHT THEN  
30 PERCENT CHANCE OF SHOWERS OVERNIGHT. RISK OF A THUNDERSTORM  
OVERNIGHT. LOW 17.  
 
OWEN SOUND - BLUE MOUNTAINS - NORTHERN GREY COUNTY.  
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY NEAR MIDNIGHT. WIND SOUTHWEST  
20 KM/H BECOMING LIGHT EARLY THIS EVENING. LOW 15.  
WEDNESDAY..SUNNY. HIGH 28. HUMIDEX 34. UV INDEX 8 OR VERY HIGH.  
WEDNESDAY NIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS  
OVERNIGHT WITH RISK OF A THUNDERSTORM. LOW 16.  
 
BARRIE - COLLINGWOOD - HILLSDALE.  
TONIGHT..CLEAR. LOW 11.  
WEDNESDAY..SUNNY. HIGH 29. HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..A FEW CLOUDS. LOW 16.  
 
MIDLAND - COLDWATER - ORR LAKE.  
TONIGHT..CLEAR. LOW 16.  
WEDNESDAY..MAINLY SUNNY. HIGH 29. HUMIDEX 36. UV INDEX 9 OR VERY  
HIGH.  
WEDNESDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY AFTER MIDNIGHT.  
LOW 19.  
 
ORILLIA - LAGOON CITY - WASHAGO.  
TONIGHT..CLEAR. WIND BECOMING SOUTH 20 KM/H THIS EVENING. LOW 16.  
WEDNESDAY..SUNNY. HIGH 29. HUMIDEX 36. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..A FEW CLOUDS. LOW 19.  
 
COBOURG - COLBORNE - WESTERN NORTHUMBERLAND COUNTY.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 14.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 29.  
HUMIDEX 36. UV INDEX 8 OR VERY HIGH.  
WEDNESDAY NIGHT..INCREASING CLOUDINESS EARLY IN THE EVENING.  
60 PERCENT CHANCE OF SHOWERS BEFORE MORNING WITH RISK OF A  
THUNDERSTORM. LOW 19.  
 
BELLEVILLE - QUINTE WEST - EASTERN NORTHUMBERLAND COUNTY.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 14.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 29.  
HUMIDEX 36. UV INDEX 8 OR VERY HIGH.  
WEDNESDAY NIGHT..INCREASING CLOUDINESS EARLY IN THE EVENING.  
60 PERCENT CHANCE OF SHOWERS BEFORE MORNING WITH RISK OF A  
THUNDERSTORM. LOW 19.  
 
PICTON - SANDBANKS PARK.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 14.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 28.  
HUMIDEX 35. UV INDEX 8 OR VERY HIGH.  
WEDNESDAY NIGHT..INCREASING CLOUDINESS EARLY IN THE EVENING.  
60 PERCENT CHANCE OF SHOWERS BEFORE MORNING WITH RISK OF A  
THUNDERSTORM. LOW 19.  
 
NAPANEE - CONSECON.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 14.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 29.  
HUMIDEX 36. UV INDEX 8 OR VERY HIGH.  
WEDNESDAY NIGHT..INCREASING CLOUDINESS EARLY IN THE EVENING.  
60 PERCENT CHANCE OF SHOWERS BEFORE MORNING WITH RISK OF A  
THUNDERSTORM. LOW 19.  
 
KINGSTON - ODESSA - FRONTENAC ISLANDS.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 14.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 29.  
HUMIDEX 36. UV INDEX 8 OR VERY HIGH.  
WEDNESDAY NIGHT..BECOMING CLOUDY IN THE EVENING. 60 PERCENT CHANCE OF  
SHOWERS BEFORE MORNING. RISK OF A THUNDERSTORM BEFORE MORNING.  
LOW 19.  
 
LINDSAY - SOUTHERN KAWARTHA LAKES.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 13.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 29.  
HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..A FEW CLOUDS. LOW 18.  
 
FENELON FALLS - BALSAM LAKE PARK - NORTHERN KAWARTHA LAKES.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 13.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 29.  
HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..A FEW CLOUDS. LOW 18.  
 
PETERBOROUGH CITY - LAKEFIELD - SOUTHERN PETERBOROUGH COUNTY.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 11.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 29.  
HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..A FEW CLOUDS. LOW 14.  
 
APSLEY - WOODVIEW - NORTHERN PETERBOROUGH COUNTY.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 11.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. WIND  
BECOMING SOUTHWEST 20 KM/H LATE IN THE MORNING. HIGH 29. HUMIDEX 34.  
UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..A FEW CLOUDS. LOW 14.  
 
STIRLING - TWEED - MADOC.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 13.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. WIND  
BECOMING SOUTHWEST 20 KM/H LATE IN THE MORNING. HIGH 28. HUMIDEX 33.  
UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR EARLY IN THE EVENING THEN PARTLY CLOUDY WITH  
30 PERCENT CHANCE OF SHOWERS BEFORE MORNING. RISK OF A THUNDERSTORM  
BEFORE MORNING. LOW 17.  
 
TAMWORTH - SYDENHAM - SOUTH FRONTENAC.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 13.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 28.  
HUMIDEX 33. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..INCREASING CLOUDINESS EARLY IN THE EVENING.  
30 PERCENT CHANCE OF SHOWERS BEFORE MORNING WITH RISK OF A  
THUNDERSTORM. LOW 17.  
 
KALADAR - BANNOCKBURN - BON ECHO PARK.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 10.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. WIND  
BECOMING SOUTHWEST 20 KM/H LATE IN THE MORNING. HIGH 29. HUMIDEX 33.  
UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR EARLY IN THE EVENING THEN PARTLY CLOUDY WITH  
30 PERCENT CHANCE OF SHOWERS BEFORE MORNING. RISK OF A THUNDERSTORM  
BEFORE MORNING. LOW 14.  
 
BANCROFT - HASTINGS HIGHLANDS - DENBIGH.  
TONIGHT..CLEAR. LOW 10.  
WEDNESDAY..SUNNY. WIND BECOMING SOUTH 20 KM/H LATE IN THE MORNING.  
HIGH 29. HUMIDEX 33. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY AFTER MIDNIGHT.  
LOW 14.  
 
GANANOQUE - MALLORYTOWN.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 14.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 28.  
HUMIDEX 34. UV INDEX 8 OR VERY HIGH.  
WEDNESDAY NIGHT..INCREASING CLOUDINESS EARLY IN THE EVENING.  
30 PERCENT CHANCE OF SHOWERS BEFORE MORNING WITH RISK OF A  
THUNDERSTORM. LOW 15.  
 
BROCKVILLE - PRESCOTT.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. WIND SOUTHWEST  
20 KM/H BECOMING LIGHT EARLY THIS EVENING. LOW 14.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. WIND  
BECOMING SOUTHWEST 20 KM/H IN THE AFTERNOON. HIGH 28. HUMIDEX 34. UV  
INDEX 8 OR VERY HIGH.  
WEDNESDAY NIGHT..INCREASING CLOUDINESS EARLY IN THE EVENING.  
30 PERCENT CHANCE OF SHOWERS BEFORE MORNING WITH RISK OF A  
THUNDERSTORM. LOW 15.  
 
WESTPORT - CHARLESTON LAKE.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 14.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. WIND  
BECOMING SOUTH 20 KM/H LATE IN THE MORNING. HIGH 28. HUMIDEX 34. UV  
INDEX 8 OR VERY HIGH.  
WEDNESDAY NIGHT..INCREASING CLOUDINESS EARLY IN THE EVENING.  
30 PERCENT CHANCE OF SHOWERS BEFORE MORNING WITH RISK OF A  
THUNDERSTORM. LOW 15.  
 
MERRICKVILLE-WOLFORD - KEMPTVILLE.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. WIND SOUTH 20 KM/H  
BECOMING LIGHT THIS EVENING. LOW 13.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. WIND  
BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 LATE IN THE MORNING.  
HIGH 30. HUMIDEX 35. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR. INCREASING CLOUDINESS LATE IN THE EVENING  
THEN 30 PERCENT CHANCE OF SHOWERS BEFORE MORNING. RISK OF A  
THUNDERSTORM BEFORE MORNING. LOW 15.  
 
OTTAWA NORTH - KANATA - ORLEANS.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. WIND SOUTHWEST  
20 KM/H BECOMING LIGHT EARLY THIS EVENING. LOW 14.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. WIND  
BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 IN THE AFTERNOON. HIGH 29.  
HUMIDEX 35. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR IN THE EVENING THEN PARTLY CLOUDY WITH  
30 PERCENT CHANCE OF SHOWERS BEFORE MORNING. RISK OF A THUNDERSTORM  
BEFORE MORNING. LOW 15.  
 
OTTAWA SOUTH - RICHMOND - METCALFE.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. WIND SOUTHWEST  
20 KM/H BECOMING LIGHT EARLY THIS EVENING. LOW 14.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. WIND  
BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 IN THE AFTERNOON. HIGH 29.  
HUMIDEX 35. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR IN THE EVENING THEN PARTLY CLOUDY WITH  
30 PERCENT CHANCE OF SHOWERS BEFORE MORNING. RISK OF A THUNDERSTORM  
BEFORE MORNING. LOW 15.  
 
GATINEAU.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. WIND SOUTHWEST  
20 KM/H BECOMING LIGHT EARLY THIS EVENING. LOW 11.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. WIND  
BECOMING SOUTH 20 KM/H IN THE AFTERNOON. HIGH 29. HUMIDEX 35. UV  
INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR IN THE EVENING AND AFTER MIDNIGHT THEN PARTLY  
CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS BEFORE MORNING. RISK OF A  
THUNDERSTORM BEFORE MORNING. LOW 15.  
 
PRESCOTT AND RUSSELL.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING AFTER MIDNIGHT. WIND SOUTHWEST  
20 KM/H BECOMING LIGHT THIS EVENING. LOW 13.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. WIND  
BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 IN THE AFTERNOON. HIGH 29.  
HUMIDEX 36. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR. INCREASING CLOUDINESS NEAR MIDNIGHT THEN  
30 PERCENT CHANCE OF SHOWERS BEFORE MORNING. RISK OF A THUNDERSTORM  
BEFORE MORNING. LOW 15.  
 
MORRISBURG - LONG SAULT.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING AFTER MIDNIGHT. WIND SOUTHWEST  
20 KM/H BECOMING LIGHT THIS EVENING. LOW 13.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. WIND  
BECOMING SOUTHWEST 20 KM/H IN THE AFTERNOON. HIGH 29. HUMIDEX 34. UV  
INDEX 8 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR IN THE EVENING THEN PARTLY CLOUDY WITH  
30 PERCENT CHANCE OF SHOWERS BEFORE MORNING. RISK OF A THUNDERSTORM  
BEFORE MORNING. LOW 16.  
 
CORNWALL - LANCASTER.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING AFTER MIDNIGHT. WIND SOUTHWEST  
30 KM/H BECOMING LIGHT THIS EVENING. LOW 13.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. HIGH 29.  
HUMIDEX 34. UV INDEX 8 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR IN THE EVENING THEN PARTLY CLOUDY WITH  
30 PERCENT CHANCE OF SHOWERS BEFORE MORNING. RISK OF A THUNDERSTORM  
BEFORE MORNING. LOW 16.  
 
WINCHESTER - NEWINGTON.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING AFTER MIDNIGHT. WIND SOUTHWEST  
20 KM/H BECOMING LIGHT EARLY THIS EVENING. LOW 13.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. WIND  
BECOMING SOUTHWEST 20 KM/H IN THE AFTERNOON. HIGH 29. HUMIDEX 34. UV  
INDEX 8 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR IN THE EVENING THEN PARTLY CLOUDY WITH  
30 PERCENT CHANCE OF SHOWERS BEFORE MORNING. RISK OF A THUNDERSTORM  
BEFORE MORNING. LOW 16.  
 
MAXVILLE - ALEXANDRIA.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING AFTER MIDNIGHT. WIND SOUTHWEST  
20 KM/H BECOMING LIGHT THIS EVENING. LOW 12.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. WIND  
BECOMING SOUTHWEST 20 KM/H GUSTING TO 40 IN THE AFTERNOON. HIGH 29.  
HUMIDEX 34. UV INDEX 8 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR. INCREASING CLOUDINESS NEAR MIDNIGHT THEN  
30 PERCENT CHANCE OF SHOWERS BEFORE MORNING. RISK OF A THUNDERSTORM  
BEFORE MORNING. LOW 14.  
 
PLEVNA - SHARBOT LAKE - WESTERN LANARK COUNTY.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. LOW 12.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. WIND  
BECOMING SOUTH 20 KM/H LATE IN THE MORNING. HIGH 28. HUMIDEX 33. UV  
INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR IN THE EVENING THEN PARTLY CLOUDY WITH  
30 PERCENT CHANCE OF SHOWERS BEFORE MORNING. RISK OF A THUNDERSTORM  
BEFORE MORNING. LOW 16.  
 
SMITHS FALLS - PERTH - EASTERN LANARK COUNTY.  
TONIGHT..CLEAR. FOG PATCHES DEVELOPING OVERNIGHT. WIND SOUTHWEST  
20 KM/H BECOMING LIGHT EARLY THIS EVENING. LOW 12.  
WEDNESDAY..SUNNY. FOG PATCHES DISSIPATING IN THE MORNING. WIND  
BECOMING SOUTHWEST 20 KM/H LATE IN THE MORNING. HIGH 28. HUMIDEX 33.  
UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..INCREASING CLOUDINESS. 30 PERCENT CHANCE OF SHOWERS  
BEFORE MORNING WITH RISK OF A THUNDERSTORM. LOW 16.  
 
PORT CARLING - PORT SEVERN.  
TONIGHT..CLEAR. LOW 17.  
WEDNESDAY..MAINLY SUNNY. HIGH 29. HUMIDEX 35. UV INDEX 8 OR VERY  
HIGH.  
WEDNESDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY AFTER MIDNIGHT.  
LOW 19.  
 
BRACEBRIDGE - GRAVENHURST.  
TONIGHT..CLEAR. LOW 12.  
WEDNESDAY..SUNNY. HIGH 29. HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..A FEW CLOUDS. LOW 17.  
 
TOWN OF PARRY SOUND - ROSSEAU - KILLBEAR PARK.  
TONIGHT..CLEAR. BECOMING PARTLY CLOUDY AFTER MIDNIGHT. WIND SOUTHWEST  
30 KM/H BECOMING LIGHT EARLY THIS EVENING. LOW 15.  
WEDNESDAY..A MIX OF SUN AND CLOUD. HIGH 28. HUMIDEX 33. UV INDEX 8 OR  
VERY HIGH.  
WEDNESDAY NIGHT..A FEW CLOUDS. INCREASING CLOUDINESS LATE IN THE  
EVENING THEN 40 PERCENT CHANCE OF SHOWERS OVERNIGHT. RISK OF A  
THUNDERSTORM OVERNIGHT. LOW 17.  
 
HUNTSVILLE - BAYSVILLE.  
TONIGHT..CLEAR. WIND SOUTHWEST 20 KM/H BECOMING LIGHT EARLY THIS  
EVENING. LOW 15.  
WEDNESDAY..MAINLY SUNNY. WIND BECOMING SOUTH 20 KM/H LATE IN THE  
MORNING. HIGH 28. HUMIDEX 33. UV INDEX 8 OR VERY HIGH.  
WEDNESDAY NIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS  
OVERNIGHT WITH RISK OF A THUNDERSTORM. LOW 18.  
 
HALIBURTON - MINDEN - SOUTHERN HALIBURTON COUNTY.  
TONIGHT..CLEAR. LOW 12.  
WEDNESDAY..SUNNY. HIGH 28. HUMIDEX 33. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..A FEW CLOUDS. LOW 18.  
 
OXTONGUE LAKE - FORT IRWIN - NORTHERN HALIBURTON COUNTY.  
TONIGHT..CLEAR. LOW 12.  
WEDNESDAY..SUNNY. HIGH 28. HUMIDEX 33. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY NEAR MIDNIGHT. LOW 18.  
 
BARRY'S BAY - KILLALOE.  
TONIGHT..CLEAR. WIND SOUTHWEST 20 KM/H BECOMING LIGHT EARLY THIS  
EVENING. LOW 15.  
WEDNESDAY..SUNNY. HIGH 29. HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY OVERNIGHT. LOW 19.  
 
RENFREW - ARNPRIOR - CALABOGIE.  
TONIGHT..CLEAR. LOW 15.  
WEDNESDAY..SUNNY. WIND BECOMING SOUTHWEST 20 KM/H LATE IN THE  
MORNING. HIGH 29. HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR. LOW 19.  
 
PETAWAWA - PEMBROKE - COBDEN.  
TONIGHT..CLEAR. LOW 15.  
WEDNESDAY..SUNNY. HIGH 29. HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR. LOW 19.  
 
WESTERN ALGONQUIN PARK - LAKE OF TWO RIVERS.  
TONIGHT..CLEAR. WIND SOUTHWEST 20 KM/H BECOMING LIGHT EARLY THIS  
EVENING. LOW 10.  
WEDNESDAY..SUNNY. HIGH 29. HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS  
OVERNIGHT WITH RISK OF A THUNDERSTORM. LOW 15.  
 
DEEP RIVER - WHITNEY - EASTERN ALGONQUIN PARK.  
TONIGHT..CLEAR. WIND SOUTH 20 KM/H BECOMING LIGHT THIS EVENING.  
LOW 10.  
WEDNESDAY..SUNNY. HIGH 29. HUMIDEX 34. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..CLEAR. BECOMING PARTLY CLOUDY AFTER MIDNIGHT.  
LOW 15.  
 
BAYFIELD INLET - DUNCHURCH.  
TONIGHT..CLEAR. WIND SOUTHWEST 20 KM/H BECOMING LIGHT EARLY THIS  
EVENING. LOW 15.  
WEDNESDAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHWEST 20 KM/H  
LATE IN THE MORNING. HIGH 27. HUMIDEX 32. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS LATE IN  
THE EVENING AND OVERNIGHT WITH RISK OF A THUNDERSTORM. LOW 16.  
 
SOUTH RIVER - BURK'S FALLS.  
TONIGHT..CLEAR. WIND SOUTHWEST 20 KM/H BECOMING LIGHT EARLY THIS  
EVENING. LOW 15.  
WEDNESDAY..A MIX OF SUN AND CLOUD. WIND BECOMING SOUTHWEST 20 KM/H  
LATE IN THE MORNING. HIGH 27. HUMIDEX 32. UV INDEX 9 OR VERY HIGH.  
WEDNESDAY NIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS  
OVERNIGHT WITH RISK OF A THUNDERSTORM. LOW 16.  
 
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