FPCN11 CWTO 121454 FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL REGION ISSUED BY ENVIRONMENT CANADA AT 11.00 AM EDT SUNDAY 12 MAY 2013 FOR TODAY AND MONDAY. THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 3.30 PM. CITY OF TORONTO. TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND WEST 40 KM/H GUSTING TO 60. TEMPERATURE STEADY NEAR 8. UV INDEX 5 OR MODERATE. TONIGHT..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING. CLEARING OVERNIGHT. WIND WEST 40 KM/H GUSTING TO 60 DIMINISHING TO 20 AFTER MIDNIGHT. LOW PLUS 1 WITH RISK OF FROST. MONDAY..A MIX OF SUN AND CLOUD. BECOMING SUNNY IN THE AFTERNOON. WIND WEST 20 KM/H. HIGH 12. WINDSOR - ESSEX - CHATHAM-KENT. TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS. WIND WEST 30 KM/H GUSTING TO 50. TEMPERATURE STEADY NEAR 8. UV INDEX 5 OR MODERATE. TONIGHT..CLEARING LATE THIS EVENING. WIND WEST 30 KM/H GUSTING TO 50 BECOMING LIGHT AFTER MIDNIGHT. LOW PLUS 1 WITH RISK OF FROST. MONDAY..SUNNY. HIGH 13. SARNIA - LAMBTON. TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS. WIND NORTHWEST 30 KM/H GUSTING TO 50. TEMPERATURE STEADY NEAR 7. UV INDEX 5 OR MODERATE. TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. CLEARING NEAR MIDNIGHT. WIND NORTHWEST 30 KM/H BECOMING LIGHT AFTER MIDNIGHT. LOW PLUS 1 WITH RISK OF FROST. MONDAY..MAINLY SUNNY. HIGH 10. ELGIN. TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. WIND WEST 30 KM/H GUSTING TO 50. TEMPERATURE STEADY NEAR 6. UV INDEX 5 OR MODERATE. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. WIND WEST 30 KM/H GUSTING TO 50 BECOMING LIGHT AFTER MIDNIGHT. LOW PLUS 1 WITH RISK OF FROST. MONDAY..A MIX OF SUN AND CLOUD. CLEARING LATE IN THE AFTERNOON. WIND BECOMING NORTHWEST 20 KM/H LATE IN THE MORNING. HIGH 10. LONDON - MIDDLESEX. FROST WARNING IN EFFECT. TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. WIND WEST 30 KM/H GUSTING TO 50. TEMPERATURE STEADY NEAR 6. UV INDEX 5 OR MODERATE. TONIGHT..PARTLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. WIND WEST 30 KM/H GUSTING TO 50 BECOMING LIGHT AFTER MIDNIGHT. LOW PLUS 1 WITH FROST. MONDAY..MAINLY SUNNY. WIND BECOMING NORTHWEST 20 KM/H LATE IN THE MORNING. HIGH 10. SIMCOE - DELHI - NORFOLK DUNNVILLE - CALEDONIA - HALDIMAND. TODAY..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. WIND WEST 30 KM/H GUSTING TO 50. TEMPERATURE STEADY NEAR 7. UV INDEX 5 OR MODERATE. TONIGHT..MAINLY CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. CLEARING NEAR MIDNIGHT. WIND WEST 30 KM/H GUSTING TO 50 BECOMING LIGHT AFTER MIDNIGHT. LOW PLUS 1 WITH RISK OF FROST. MONDAY..A MIX OF SUN AND CLOUD. CLEARING LATE IN THE AFTERNOON. WIND BECOMING WEST 20 KM/H LATE IN THE MORNING. HIGH 10. OXFORD - BRANT. FROST WARNING IN EFFECT. TODAY..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS. WIND WEST 30 KM/H GUSTING TO 50. TEMPERATURE STEADY NEAR 7. UV INDEX 4 OR MODERATE. TONIGHT..CLOUDY WITH 30 PERCENT CHANCE OF SHOWERS EARLY THIS EVENING. CLEARING NEAR MIDNIGHT. WIND WEST 30 KM/H GUSTING TO 50 BECOMING LIGHT AFTER MIDNIGHT. LOW ZERO WITH FROST. MONDAY..A MIX OF SUN AND CLOUD. CLEARING LATE IN THE AFTERNOON. WIND BECOMING WEST 20 KM/H LATE IN THE MORNING. HIGH 10. NIAGARA. TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND WEST 30 KM/H GUSTING TO 50. TEMPERATURE STEADY NEAR 8. UV INDEX 5 OR MODERATE. TONIGHT..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING. CLEARING OVERNIGHT. WIND WEST 30 KM/H GUSTING TO 50. LOW PLUS 3 WITH RISK OF FROST. MONDAY..A MIX OF SUN AND CLOUD. CLEARING IN THE AFTERNOON. WIND WEST 30 KM/H BECOMING LIGHT IN THE MORNING. WIND BECOMING WEST 20 LATE IN THE MORNING. HIGH 11. CITY OF HAMILTON BURLINGTON - OAKVILLE MISSISSAUGA - BRAMPTON. FROST WARNING IN EFFECT. TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND WEST 40 KM/H GUSTING TO 60. TEMPERATURE STEADY NEAR 6. UV INDEX 5 OR MODERATE. TONIGHT..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS THIS EVENING. CLEARING OVERNIGHT. WIND WEST 40 KM/H GUSTING TO 60 DIMINISHING TO 20 BEFORE MORNING. LOW ZERO WITH PATCHY FROST. MONDAY..SUNNY. WIND WEST 20 KM/H BECOMING LIGHT IN THE MORNING. HIGH 10. HALTON HILLS - MILTON CALEDON STRATFORD - MITCHELL - SOUTHERN PERTH COUNTY LISTOWEL - MILVERTON - NORTHERN PERTH COUNTY KITCHENER - CAMBRIDGE - REGION OF WATERLOO GUELPH - ERIN - SOUTHERN WELLINGTON COUNTY. FROST WARNING IN EFFECT. TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND WEST 40 KM/H GUSTING TO 60. TEMPERATURE STEADY NEAR PLUS 3. UV INDEX 5 OR MODERATE. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING. WIND WEST 40 KM/H GUSTING TO 60 BECOMING LIGHT OVERNIGHT. LOW ZERO EXCEPT PLUS 1 ALONG THE LAKESHORE. FROST. MONDAY..A MIX OF SUN AND CLOUD. CLEARING LATE IN THE AFTERNOON. WIND BECOMING WEST 20 KM/H LATE IN THE AFTERNOON. HIGH 10. VAUGHAN - RICHMOND HILL - MARKHAM NEWMARKET - GEORGINA - NORTHERN YORK REGION UXBRIDGE - BEAVERTON - NORTHERN DURHAM REGION. FROST WARNING IN EFFECT. TODAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND WEST 30 KM/H GUSTING TO 50. TEMPERATURE STEADY NEAR 7. UV INDEX 4 OR MODERATE. TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING. WIND WEST 30 KM/H GUSTING TO 50. LOW ZERO WITH FROST. MONDAY..SUNNY. WIND NORTHWEST 20 KM/H BECOMING LIGHT LATE IN THE AFTERNOON. HIGH 11. PICKERING - OSHAWA - SOUTHERN DURHAM REGION. FROST WARNING IN EFFECT. TODAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND WEST 30 KM/H GUSTING TO 50. TEMPERATURE STEADY NEAR 7. UV INDEX 4 OR MODERATE. TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING. WIND WEST 30 KM/H GUSTING TO 50. LOW ZERO WITH PATCHY FROST. MONDAY..SUNNY. WIND NORTHWEST 20 KM/H BECOMING LIGHT LATE IN THE AFTERNOON. HIGH 11. GODERICH - BLUEWATER - SOUTHERN HURON COUNTY WINGHAM - BLYTH - NORTHERN HURON COUNTY. FROST WARNING IN EFFECT. TODAY..MAINLY CLOUDY WITH 40 PERCENT CHANCE OF SHOWERS. WIND WEST 30 KM/H GUSTING TO 50. TEMPERATURE STEADY NEAR PLUS 3. UV INDEX 5 OR MODERATE. TONIGHT..PARTLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING AND AFTER MIDNIGHT. WIND WEST 30 KM/H GUSTING TO 50. LOW ZERO WITH PATCHY FROST. MONDAY..A MIX OF SUN AND CLOUD. CLEARING IN THE AFTERNOON. WIND NORTHWEST 30 KM/H BECOMING LIGHT IN THE MORNING. WIND BECOMING NORTHWEST 20 LATE IN THE MORNING. HIGH 8. MOUNT FOREST - ARTHUR - NORTHERN WELLINGTON COUNTY DUFFERIN - INNISFIL HANOVER - DUNDALK - SOUTHERN GREY COUNTY. FROST WARNING IN EFFECT. TODAY..CLOUDY WITH 70 PERCENT CHANCE OF RAIN SHOWERS OR FLURRIES. WIND WEST 30 KM/H GUSTING TO 50. TEMPERATURE STEADY NEAR PLUS 4. UV INDEX 4 OR MODERATE. TONIGHT..CLOUDY WITH 70 PERCENT CHANCE OF RAIN SHOWERS OR FLURRIES THIS EVENING AND AFTER MIDNIGHT THEN PARTLY CLOUDY. WIND WEST 30 KM/H GUSTING TO 50 BECOMING LIGHT LATE THIS EVENING. LOW ZERO WITH FROST. MONDAY..CLEARING IN THE MORNING. WIND BECOMING NORTHWEST 20 KM/H IN THE AFTERNOON. HIGH 11. SAUGEEN SHORES - KINCARDINE - SOUTHERN BRUCE COUNTY BRUCE PENINSULA - SAUBLE BEACH - TOBERMORY OWEN SOUND - BLUE MOUNTAINS - NORTHERN GREY COUNTY. FROST WARNING IN EFFECT. TODAY..RAIN SHOWERS AND FLURRIES. WIND WEST 30 KM/H GUSTING TO 50. TEMPERATURE STEADY NEAR PLUS 2. UV INDEX 3 OR MODERATE. TONIGHT..A FEW RAIN SHOWERS AND FLURRIES ENDING AFTER MIDNIGHT THEN PARTLY CLOUDY. WIND WEST 30 KM/H GUSTING TO 50. LOW ZERO WITH PATCHY FROST. MONDAY..A MIX OF SUN AND CLOUD. BECOMING SUNNY IN THE MORNING. WIND NORTHWEST 30 KM/H BECOMING LIGHT IN THE MORNING. WIND BECOMING WEST 20 LATE IN THE MORNING. HIGH 8. BARRIE - COLLINGWOOD - HILLSDALE. FROST WARNING IN EFFECT. TODAY..RAIN SHOWERS AND FLURRIES. WIND WEST 40 KM/H GUSTING TO 60. TEMPERATURE STEADY NEAR PLUS 4. UV INDEX 3 OR MODERATE. TONIGHT..A FEW RAIN SHOWERS AND FLURRIES ENDING AFTER MIDNIGHT THEN PARTLY CLOUDY. WIND WEST 40 KM/H GUSTING TO 60. LOW ZERO WITH PATCHY FROST. MONDAY..A MIX OF SUN AND CLOUD. BECOMING SUNNY IN THE MORNING. WIND NORTHWEST 30 KM/H. HIGH 9. MIDLAND - COLDWATER - ORR LAKE ORILLIA - LAGOON CITY - WASHAGO. TODAY..RAIN SHOWERS AND FLURRIES. WIND WEST 40 KM/H GUSTING TO 60. TEMPERATURE STEADY NEAR PLUS 4. UV INDEX 3 OR MODERATE. TONIGHT..A FEW RAIN SHOWERS AND FLURRIES ENDING AFTER MIDNIGHT THEN PARTLY CLOUDY. WIND WEST 40 KM/H GUSTING TO 60. LOW ZERO. MONDAY..A MIX OF SUN AND CLOUD. BECOMING SUNNY IN THE MORNING. WIND NORTHWEST 30 KM/H. HIGH 9. BELLEVILLE - QUINTE - NORTHUMBERLAND. TODAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND SOUTHWEST 40 KM/H GUSTING TO 60. TEMPERATURE STEADY NEAR 8. UV INDEX 4 OR MODERATE. TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING. WIND WEST 40 KM/H GUSTING TO 60. LOW PLUS 1. MONDAY..MAINLY CLOUDY. CLEARING IN THE AFTERNOON. WIND WEST 40 KM/H GUSTING TO 60 BECOMING LIGHT IN THE MORNING. WIND BECOMING WEST 20 IN THE AFTERNOON. HIGH 12. PICTON - SANDBANKS PARK. TODAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND SOUTHWEST 40 KM/H GUSTING TO 60. HIGH 9. UV INDEX 5 OR MODERATE. TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING AND AFTER MIDNIGHT. WIND SOUTHWEST 40 KM/H GUSTING TO 60 BECOMING WEST 20 NEAR MIDNIGHT. LOW PLUS 2. MONDAY..A MIX OF SUN AND CLOUD. BECOMING SUNNY IN THE MORNING. WIND WEST 20 KM/H INCREASING TO 40 GUSTING TO 60 IN THE AFTERNOON. HIGH 11. NAPANEE - CONSECON KINGSTON - ODESSA - FRONTENAC ISLANDS STIRLING - TWEED - SOUTH FRONTENAC. TODAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND SOUTHWEST 30 KM/H GUSTING TO 50. HIGH 9. UV INDEX 5 OR MODERATE. TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING AND AFTER MIDNIGHT. WIND WEST 30 KM/H. LOW PLUS 2. MONDAY..MAINLY SUNNY. HIGH 13. PETERBOROUGH - KAWARTHA LAKES. TODAY..MAINLY CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND WEST 30 KM/H. TEMPERATURE STEADY NEAR 6. UV INDEX 4 OR MODERATE. TONIGHT..PARTLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING. WIND WEST 40 KM/H GUSTING TO 60. LOW PLUS 1. MONDAY..A MIX OF SUN AND CLOUD. BECOMING SUNNY IN THE MORNING. WIND WEST 30 KM/H BECOMING LIGHT IN THE MORNING. HIGH 10. BANCROFT - BON ECHO PARK. TODAY..SHOWERS. WIND BECOMING SOUTHWEST 20 KM/H LATE THIS AFTERNOON. HIGH 7 WITH TEMPERATURE FALLING TO PLUS 4 THIS AFTERNOON. TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN MAINLY CLOUDY. WIND WEST 20 KM/H. LOW ZERO. MONDAY..A MIX OF SUN AND CLOUD. BECOMING SUNNY LATE IN THE AFTERNOON. WIND WEST 20 KM/H BECOMING LIGHT EARLY IN THE MORNING. HIGH 10. BROCKVILLE - LEEDS AND GRENVILLE. TODAY..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS. WIND SOUTHWEST 20 KM/H. HIGH 10. UV INDEX 5 OR MODERATE. TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING. WIND WEST 20 KM/H. LOW PLUS 2. MONDAY..A MIX OF SUN AND CLOUD. WIND WEST 20 KM/H BECOMING LIGHT EARLY IN THE MORNING. HIGH 13. CITY OF OTTAWA GATINEAU. TODAY..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. WIND SOUTHWEST 30 KM/H. HIGH 10. UV INDEX 5 OR MODERATE. TONIGHT..MAINLY CLOUDY. 40 PERCENT CHANCE OF SHOWERS THIS EVENING AND AFTER MIDNIGHT. WIND SOUTHWEST 30 KM/H. LOW PLUS 2. MONDAY..MAINLY CLOUDY. CLEARING EARLY IN THE EVENING. WIND WEST 30 KM/H. HIGH 10. PRESCOTT AND RUSSELL CORNWALL - MORRISBURG. TODAY..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS LATE THIS AFTERNOON. WIND SOUTHWEST 20 KM/H. HIGH 11. UV INDEX 5 OR MODERATE. TONIGHT..MAINLY CLOUDY. 30 PERCENT CHANCE OF SHOWERS THIS EVENING. WIND SOUTHWEST 20 KM/H. LOW PLUS 3. MONDAY..CLOUDY. CLEARING EARLY IN THE EVENING. WIND WEST 20 KM/H BECOMING LIGHT IN THE AFTERNOON. HIGH 12. SMITHS FALLS - LANARK - SHARBOT LAKE. TODAY..CLOUDY WITH 60 PERCENT CHANCE OF SHOWERS. WIND BECOMING SOUTHWEST 20 KM/H THIS AFTERNOON. HIGH 10. UV INDEX 4 OR MODERATE. TONIGHT..MAINLY CLOUDY. 60 PERCENT CHANCE OF SHOWERS THIS EVENING. WIND WEST 20 KM/H. LOW PLUS 2. MONDAY..A MIX OF SUN AND CLOUD. CLEARING IN THE EVENING. WIND WEST 20 KM/H BECOMING LIGHT LATE IN THE MORNING. HIGH 12. PARRY SOUND - MUSKOKA BURK'S FALLS - BAYFIELD INLET. TODAY..RAIN SHOWERS AND FLURRIES. WIND WEST 30 KM/H GUSTING TO 50. TEMPERATURE STEADY NEAR PLUS 3. TONIGHT..A FEW RAIN SHOWERS AND FLURRIES ENDING AFTER MIDNIGHT THEN CLEARING. WIND WEST 30 KM/H. LOW PLUS 1. MONDAY..MAINLY SUNNY. WIND NORTHWEST 20 KM/H BECOMING LIGHT LATE IN THE MORNING. HIGH 8. HALIBURTON. TODAY..RAIN SHOWERS AND FLURRIES. WIND SOUTHWEST 20 KM/H. TEMPERATURE STEADY NEAR PLUS 4. TONIGHT..A FEW RAIN SHOWERS AND FLURRIES CHANGING TO A FEW FLURRIES THIS EVENING AND ENDING AFTER MIDNIGHT THEN PARTLY CLOUDY. WIND NORTHWEST 20 KM/H. LOW ZERO. MONDAY..MAINLY SUNNY. WIND NORTHWEST 20 KM/H BECOMING LIGHT EARLY IN THE MORNING. HIGH 9. RENFREW - PEMBROKE - BARRY'S BAY. TODAY..SHOWERS. WIND BECOMING SOUTHWEST 20 KM/H LATE THIS AFTERNOON. HIGH 7 WITH TEMPERATURE FALLING TO PLUS 4 THIS AFTERNOON. TONIGHT..A FEW SHOWERS ENDING NEAR MIDNIGHT THEN CLEARING. WIND WEST 20 KM/H. LOW PLUS 1. MONDAY..A MIX OF SUN AND CLOUD. BECOMING SUNNY LATE IN THE AFTERNOON. WIND WEST 20 KM/H BECOMING LIGHT IN THE AFTERNOON. HIGH 10. ALGONQUIN. TODAY..RAIN SHOWERS AND FLURRIES. WIND SOUTHWEST 20 KM/H. TEMPERATURE STEADY NEAR PLUS 4. TONIGHT..A FEW RAIN SHOWERS AND FLURRIES CHANGING TO A FEW FLURRIES THIS EVENING AND ENDING AFTER MIDNIGHT THEN PARTLY CLOUDY. WIND NORTHWEST 20 KM/H. LOW ZERO. MONDAY..A MIX OF SUN AND CLOUD. BECOMING SUNNY IN THE AFTERNOON. HIGH 10. END