414  
FPCN11 CWTO 170845  
FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL REGION ISSUED  
BY ENVIRONMENT CANADA AT 5:00 A.M. EDT FRIDAY 17 MAY 2019 FOR TODAY  
AND SATURDAY.  
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 11:00 A.M. EDT.  
 
CITY OF TORONTO  
BURLINGTON - OAKVILLE  
HALTON HILLS - MILTON  
MISSISSAUGA - BRAMPTON  
VAUGHAN - RICHMOND HILL - MARKHAM  
PICKERING - OSHAWA - SOUTHERN DURHAM REGION.  
TODAY..CLEARING THIS MORNING. WIND BECOMING NORTHWEST 20 KM/H THIS  
MORNING. HIGH 18. UV INDEX 7 OR HIGH.  
TONIGHT..A FEW CLOUDS. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS  
EVENING. LOW PLUS 4.  
SATURDAY..INCREASING CLOUDINESS. HIGH 15. UV INDEX 8 OR VERY HIGH.  
 
WINDSOR - ESSEX - CHATHAM-KENT.  
TODAY..A MIX OF SUN AND CLOUD. WIND BECOMING NORTHWEST 20 KM/H THIS  
MORNING. HIGH 19. UV INDEX 7 OR HIGH.  
TONIGHT..MAINLY CLOUDY. A FEW SHOWERS BEGINNING OVERNIGHT. RISK OF A  
THUNDERSTORM OVERNIGHT. LOW 9.  
SATURDAY..A FEW SHOWERS ENDING IN THE MORNING THEN A MIX OF SUN AND  
CLOUD. RISK OF A THUNDERSTORM EARLY IN THE MORNING. HIGH 21. UV  
INDEX 9 OR VERY HIGH.  
 
SARNIA - LAMBTON.  
TODAY..CLEARING THIS MORNING. WIND NORTH 20 KM/H. HIGH 16. UV INDEX 7  
OR HIGH.  
TONIGHT..A FEW CLOUDS. WIND NORTH 20 KM/H BECOMING LIGHT THIS  
EVENING. LOW 6.  
SATURDAY..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS LATE IN THE  
MORNING AND EARLY AFTERNOON. WIND BECOMING SOUTHEAST 20 KM/H IN THE  
AFTERNOON. HIGH 17. UV INDEX 6 OR HIGH.  
 
ELGIN  
LONDON - MIDDLESEX.  
TODAY..CLEARING. WIND BECOMING NORTHWEST 20 KM/H THIS MORNING.  
HIGH 17. UV INDEX 7 OR HIGH.  
TONIGHT..A FEW CLOUDS. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS  
EVENING. LOW PLUS 5.  
SATURDAY..A MIX OF SUN AND CLOUD. 40 PERCENT CHANCE OF SHOWERS IN THE  
AFTERNOON. WIND BECOMING SOUTHEAST 20 KM/H IN THE MORNING. HIGH 18.  
UV INDEX 9 OR VERY HIGH.  
 
SIMCOE - DELHI - NORFOLK  
DUNNVILLE - CALEDONIA - HALDIMAND.  
TODAY..CLEARING. WIND NORTHWEST 20 KM/H. HIGH 19. UV INDEX 7 OR HIGH.  
TONIGHT..A FEW CLOUDS. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS  
EVENING. LOW 6.  
SATURDAY..INCREASING CLOUDINESS IN THE MORNING. HIGH 15. UV INDEX 7  
OR HIGH.  
 
OXFORD - BRANT.  
TODAY..CLEARING. WIND BECOMING NORTHWEST 20 KM/H THIS MORNING.  
HIGH 19. UV INDEX 7 OR HIGH.  
TONIGHT..A FEW CLOUDS. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS  
EVENING. LOW PLUS 5.  
SATURDAY..INCREASING CLOUDINESS IN THE MORNING. HIGH 17. UV INDEX 7  
OR HIGH.  
 
NIAGARA  
CITY OF HAMILTON.  
TODAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS EARLY THIS  
MORNING. CLEARING THIS MORNING. WIND NORTHWEST 20 KM/H. HIGH 19. UV  
INDEX 7 OR HIGH.  
TONIGHT..A FEW CLOUDS. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS  
EVENING. LOW 6.  
SATURDAY..INCREASING CLOUDINESS IN THE MORNING. HIGH 15. UV INDEX 7  
OR HIGH.  
 
CALEDON  
NEWMARKET - GEORGINA - NORTHERN YORK REGION  
UXBRIDGE - BEAVERTON - NORTHERN DURHAM REGION  
INNISFIL - NEW TECUMSETH - ANGUS.  
TODAY..CLEARING THIS MORNING. WIND BECOMING NORTHWEST 20 KM/H THIS  
MORNING. HIGH 16. UV INDEX 7 OR HIGH.  
TONIGHT..A FEW CLOUDS. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS  
EVENING. LOW PLUS 3 WITH RISK OF FROST.  
SATURDAY..INCREASING CLOUDINESS. HIGH 16. UV INDEX 8 OR VERY HIGH.  
 
GODERICH - BLUEWATER - SOUTHERN HURON COUNTY  
WINGHAM - BLYTH - NORTHERN HURON COUNTY.  
TODAY..CLEARING THIS MORNING. WIND BECOMING NORTHWEST 20 KM/H THIS  
MORNING. HIGH 15. UV INDEX 7 OR HIGH.  
TONIGHT..A FEW CLOUDS. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS  
EVENING. LOW PLUS 4.  
SATURDAY..INCREASING CLOUDINESS. 30 PERCENT CHANCE OF SHOWERS LATE IN  
THE AFTERNOON. HIGH 16. UV INDEX 9 OR VERY HIGH.  
 
STRATFORD - MITCHELL - SOUTHERN PERTH COUNTY  
LISTOWEL - MILVERTON - NORTHERN PERTH COUNTY  
KITCHENER - CAMBRIDGE - REGION OF WATERLOO  
GUELPH - ERIN - SOUTHERN WELLINGTON COUNTY.  
TODAY..CLEARING THIS MORNING. WIND BECOMING NORTHWEST 20 KM/H THIS  
MORNING. HIGH 17. UV INDEX 7 OR HIGH.  
TONIGHT..A FEW CLOUDS. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS  
EVENING. LOW PLUS 4.  
SATURDAY..INCREASING CLOUDINESS. HIGH 15. UV INDEX 9 OR VERY HIGH.  
 
MOUNT FOREST - ARTHUR - NORTHERN WELLINGTON COUNTY  
ORANGEVILLE - GRAND VALLEY - SOUTHERN DUFFERIN COUNTY  
SHELBURNE - MANSFIELD - NORTHERN DUFFERIN COUNTY  
HANOVER - DUNDALK - SOUTHERN GREY COUNTY.  
TODAY..CLEARING THIS MORNING. WIND BECOMING NORTHWEST 20 KM/H THIS  
MORNING. HIGH 15. UV INDEX 7 OR HIGH.  
TONIGHT..A FEW CLOUDS. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS  
EVENING. LOW PLUS 3 WITH RISK OF FROST.  
SATURDAY..INCREASING CLOUDINESS. HIGH 15. UV INDEX 9 OR VERY HIGH.  
 
SAUGEEN SHORES - KINCARDINE - SOUTHERN BRUCE COUNTY  
BRUCE PENINSULA - SAUBLE BEACH - TOBERMORY.  
TODAY..CLEARING THIS MORNING. WIND BECOMING NORTHWEST 20 KM/H THIS  
MORNING. HIGH 12. UV INDEX 7 OR HIGH.  
TONIGHT..A FEW CLOUDS. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS  
EVENING. LOW PLUS 2 WITH RISK OF FROST.  
SATURDAY..INCREASING CLOUDINESS. HIGH 14. UV INDEX 9 OR VERY HIGH.  
 
OWEN SOUND - BLUE MOUNTAINS - NORTHERN GREY COUNTY  
BARRIE - ORILLIA - MIDLAND.  
TODAY..CLEARING THIS MORNING. WIND BECOMING NORTHWEST 20 KM/H THIS  
MORNING. HIGH 14. UV INDEX 7 OR HIGH.  
TONIGHT..A FEW CLOUDS. WIND NORTHWEST 20 KM/H BECOMING LIGHT LATE  
THIS EVENING. LOW PLUS 3 WITH RISK OF FROST.  
SATURDAY..INCREASING CLOUDINESS IN THE MORNING. HIGH 13. UV INDEX 7  
OR HIGH.  
 
BELLEVILLE - QUINTE - NORTHUMBERLAND  
PICTON - SANDBANKS PARK  
NAPANEE - CONSECON.  
TODAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD THIS MORNING. FOG  
PATCHES DISSIPATING THIS MORNING. WIND BECOMING NORTHWEST 20 KM/H  
THIS MORNING. HIGH 17. UV INDEX 7 OR HIGH.  
TONIGHT..A FEW CLOUDS. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS  
EVENING. LOW PLUS 5.  
SATURDAY..MAINLY SUNNY. INCREASING CLOUDINESS EARLY IN THE AFTERNOON.  
HIGH 16. UV INDEX 8 OR VERY HIGH.  
 
KINGSTON - ODESSA - FRONTENAC ISLANDS  
TAMWORTH - SYDENHAM - SOUTH FRONTENAC.  
TODAY..A FEW SHOWERS ENDING EARLY THIS MORNING THEN A MIX OF SUN AND  
CLOUD. FOG PATCHES DISSIPATING THIS MORNING. WIND BECOMING NORTHWEST  
20 KM/H LATE THIS MORNING. HIGH 17. UV INDEX 7 OR HIGH.  
TONIGHT..A FEW CLOUDS. LOW 6.  
SATURDAY..MAINLY SUNNY. INCREASING CLOUDINESS EARLY IN THE AFTERNOON.  
HIGH 15. UV INDEX 8 OR VERY HIGH.  
 
LINDSAY - SOUTHERN KAWARTHA LAKES  
PETERBOROUGH CITY - LAKEFIELD - SOUTHERN PETERBOROUGH COUNTY.  
TODAY..A FEW SHOWERS ENDING THIS MORNING THEN A MIX OF SUN AND CLOUD.  
FOG PATCHES DISSIPATING THIS MORNING. WIND BECOMING NORTHWEST  
20 KM/H NEAR NOON. HIGH 19. UV INDEX 7 OR HIGH.  
TONIGHT..A FEW CLOUDS. WIND NORTHWEST 20 KM/H BECOMING LIGHT THIS  
EVENING. LOW PLUS 3 WITH RISK OF FROST.  
SATURDAY..MAINLY SUNNY. INCREASING CLOUDINESS EARLY IN THE AFTERNOON.  
HIGH 17. UV INDEX 8 OR VERY HIGH.  
 
FENELON FALLS - BALSAM LAKE PARK - NORTHERN KAWARTHA LAKES  
APSLEY - WOODVIEW - NORTHERN PETERBOROUGH COUNTY  
BRACEBRIDGE - GRAVENHURST  
HUNTSVILLE - BAYSVILLE  
HALIBURTON.  
TODAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD THIS MORNING. FOG  
PATCHES DISSIPATING THIS MORNING. HIGH 16. UV INDEX 7 OR HIGH.  
TONIGHT..A FEW CLOUDS. LOW PLUS 2 WITH RISK OF FROST.  
SATURDAY..INCREASING CLOUDINESS. HIGH 16. UV INDEX 8 OR VERY HIGH.  
 
STIRLING - TWEED - MADOC  
KALADAR - BANNOCKBURN - BON ECHO PARK  
PLEVNA - SHARBOT LAKE - WESTERN LANARK COUNTY.  
TODAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD THIS MORNING. FOG  
PATCHES DISSIPATING THIS MORNING. HIGH 18. UV INDEX 7 OR HIGH.  
TONIGHT..A FEW CLOUDS. LOW PLUS 4.  
SATURDAY..MAINLY SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON.  
HIGH 17. UV INDEX 8 OR VERY HIGH.  
 
BANCROFT - HASTINGS HIGHLANDS - DENBIGH  
RENFREW - PEMBROKE - BARRY'S BAY.  
TODAY..CLOUDY. BECOMING A MIX OF SUN AND CLOUD THIS MORNING. FOG  
PATCHES DISSIPATING THIS MORNING. HIGH 17. UV INDEX 7 OR HIGH.  
TONIGHT..A FEW CLOUDS. LOW PLUS 3 WITH RISK OF FROST.  
SATURDAY..MAINLY SUNNY. INCREASING CLOUDINESS IN THE AFTERNOON.  
HIGH 17. UV INDEX 8 OR VERY HIGH.  
 
BROCKVILLE - LEEDS AND GRENVILLE  
CORNWALL - MORRISBURG.  
TODAY..A FEW SHOWERS ENDING EARLY THIS MORNING THEN A MIX OF SUN AND  
CLOUD. HIGH 19. UV INDEX 7 OR HIGH.  
TONIGHT..A FEW CLOUDS. LOW PLUS 5.  
SATURDAY..MAINLY SUNNY. HIGH 18. UV INDEX 8 OR VERY HIGH.  
 
CITY OF OTTAWA  
GATINEAU  
PRESCOTT AND RUSSELL  
SMITHS FALLS - PERTH - EASTERN LANARK COUNTY.  
TODAY..A FEW SHOWERS ENDING EARLY THIS MORNING THEN A MIX OF SUN AND  
CLOUD. HIGH 16. UV INDEX 7 OR HIGH.  
TONIGHT..A FEW CLOUDS. LOW PLUS 5.  
SATURDAY..MAINLY SUNNY. HIGH 18. UV INDEX 8 OR VERY HIGH.  
 
PORT CARLING - PORT SEVERN  
TOWN OF PARRY SOUND - ROSSEAU - KILLBEAR PARK  
BAYFIELD INLET - DUNCHURCH.  
TODAY..CLEARING THIS MORNING. FOG PATCHES DISSIPATING THIS MORNING.  
HIGH 15. UV INDEX 6 OR HIGH.  
TONIGHT..A FEW CLOUDS. LOW PLUS 3 WITH RISK OF FROST.  
SATURDAY..INCREASING CLOUDINESS. HIGH 15. UV INDEX 8 OR VERY HIGH.  
 
ALGONQUIN  
SOUTH RIVER - BURK'S FALLS.  
TODAY..A MIX OF SUN AND CLOUD. FOG PATCHES DISSIPATING THIS MORNING.  
HIGH 15. UV INDEX 6 OR HIGH.  
TONIGHT..A FEW CLOUDS. LOW PLUS 2 WITH RISK OF FROST.  
SATURDAY..MAINLY SUNNY. INCREASING CLOUDINESS EARLY IN THE AFTERNOON.  
HIGH 15. UV INDEX 8 OR VERY HIGH.  
 
END  
 
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