Forecasts for Southern Ontario and the National Capital Region
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FPCN11 CWTO 181930 Forecasts for Southern Ontario and the National Capital Region issued by Environment Canada at 3:30 p.m. EDT Monday 18 March 2019 for tonight Tuesday and Tuesday night. The next scheduled forecast will be issued at 5:00 a.m. EDT Tuesday. City of Toronto Burlington - Oakville Halton Hills - Milton Mississauga - Brampton. Tonight..Partly cloudy. 70 percent chance of flurries overnight. Wind northwest 20 km/h gusting to 40 becoming light early this evening. Low minus 4. Wind chill near minus 8. Tuesday..A mix of sun and cloud. 30 percent chance of rain showers or flurries in the afternoon. High 6. UV index 4 or moderate. Tuesday night..Partly cloudy. 30 percent chance of rain showers or flurries early in the evening. Wind up to 15 km/h. Low minus 3. Wind chill minus 8 overnight. Windsor - Essex - Chatham-Kent. Tonight..Partly cloudy. 60 percent chance of rain showers or flurries changing to 60 percent chance of flurries this evening. Clearing before morning. Wind up to 15 km/h. Low minus 2. Wind chill minus 4 overnight. Tuesday..Sunny in the morning and early in the afternoon then a mix of sun and cloud with 30 percent chance of showers in the afternoon. Wind becoming southwest 20 km/h in the afternoon. High 7. UV index 4 or moderate. Tuesday night..Partly cloudy with 30 percent chance of showers early in the evening. Clearing in the evening. Wind southwest 20 km/h becoming light near midnight. Low zero. Sarnia - Lambton. Tonight..Partly cloudy. 60 percent chance of rain showers or flurries changing to 60 percent chance of flurries this evening. Clearing before morning. Wind up to 15 km/h. Low minus 3. Wind chill minus 5 overnight. Tuesday..Sunny in the morning and early in the afternoon then a mix of sun and cloud with 30 percent chance of showers in the afternoon. High 7. UV index 4 or moderate. Tuesday night..Partly cloudy. 30 percent chance of showers early in the evening. Wind southwest 20 km/h becoming light overnight. Low minus 1. Wind chill minus 7 overnight. Elgin Strathroy - Komoka - Western Middlesex County. Tonight..Partly cloudy. 30 percent chance of rain showers or flurries changing to 30 percent chance of flurries this evening and then to 70 percent chance of flurries near midnight. Wind northwest 20 km/h becoming light early this evening. Low minus 4. Wind chill minus 8 overnight. Tuesday..Sunny in the morning and early in the afternoon then a mix of sun and cloud with 30 percent chance of showers in the afternoon. Wind becoming west 20 km/h near noon. High 6. UV index 4 or moderate. Tuesday night..Partly cloudy. 30 percent chance of showers early in the evening. Wind west 20 km/h becoming light in the evening. Low minus 2. Wind chill minus 7 overnight. London - Parkhill - Eastern Middlesex County. Tonight..Partly cloudy. 30 percent chance of flurries changing to 70 percent chance of flurries near midnight. Wind northwest 20 km/h becoming light early this evening. Low minus 5. Wind chill minus 3 in the evening and minus 8 overnight. Tuesday..Sunny in the morning and early in the afternoon then a mix of sun and cloud with 30 percent chance of showers in the afternoon. Wind becoming west 20 km/h near noon. High 6. UV index 4 or moderate. Tuesday night..Partly cloudy. 30 percent chance of showers early in the evening. Wind west 20 km/h becoming light in the evening. Low minus 2. Wind chill minus 7 overnight. Simcoe - Delhi - Norfolk Dunnville - Caledonia - Haldimand. Tonight..A few flurries ending early this evening then partly cloudy. 70 percent chance of flurries overnight. Wind northwest 20 km/h becoming light this evening. Low minus 4. Wind chill near minus 6. Tuesday..A mix of sun and cloud. 70 percent chance of flurries early in the morning. 30 percent chance of rain showers in the afternoon. Wind becoming southwest 20 km/h early in the afternoon. High 6. UV index 5 or moderate. Wind chill minus 8 in the morning. Tuesday night..Partly cloudy. 30 percent chance of showers early in the evening. Wind southwest 20 km/h becoming light in the evening. Low minus 3. Wind chill minus 8 overnight. Oxford - Brant. Tonight..Partly cloudy. 30 percent chance of flurries early this evening. 70 percent chance of flurries overnight. Wind northwest 20 km/h becoming light this evening. Low minus 5. Wind chill near minus 8. Tuesday..Sunny in the morning then a mix of sun and cloud with 30 percent chance of showers in the afternoon. Wind becoming west 20 km/h early in the afternoon. High 6. UV index 4 or moderate. Tuesday night..Partly cloudy. 30 percent chance of showers early in the evening. Wind west 20 km/h becoming light in the evening. Low minus 3. Wind chill near minus 7. Niagara Falls - Welland - Southern Niagara Region. Tonight..A few flurries ending early this evening then partly cloudy. 70 percent chance of flurries overnight. Local amount 2 cm. Wind northwest 20 km/h becoming light this evening. Low minus 3. Wind chill near minus 7. Tuesday..A mix of sun and cloud. 70 percent chance of flurries early in the morning. 30 percent chance of rain showers in the afternoon. Wind becoming southwest 20 km/h near noon. High 6. UV index 5 or moderate. Tuesday night..Partly cloudy. 30 percent chance of showers early in the evening. Wind southwest 20 km/h becoming light in the evening. Low minus 2. Wind chill near minus 7. St. Catharines - Grimsby - Northern Niagara Region City of Hamilton. Tonight..A few flurries ending early this evening then partly cloudy. 70 percent chance of flurries overnight. Wind northwest 20 km/h becoming light this evening. Low minus 3. Wind chill near minus 7. Tuesday..A mix of sun and cloud. 70 percent chance of flurries early in the morning. 30 percent chance of rain showers in the afternoon. Wind becoming west 20 km/h near noon. High 6. UV index 5 or moderate. Tuesday night..Partly cloudy. 30 percent chance of showers early in the evening. Wind west 20 km/h becoming light in the evening. Low minus 2. Wind chill minus 6 overnight. Caledon Innisfil - New Tecumseth - Angus. Tonight..Mainly cloudy. 30 percent chance of flurries early this evening. A few flurries beginning this evening and ending before morning. Local amount 2 cm. Wind northwest 20 km/h gusting to 40 becoming light this evening. Low minus 6. Wind chill near minus 9. Tuesday..A mix of sun and cloud. 40 percent chance of rain showers or flurries in the afternoon. Wind becoming southwest 20 km/h early in the afternoon. High plus 4. UV index 4 or moderate. Wind chill minus 10 in the morning. Tuesday night..Partly cloudy. 40 percent chance of rain showers or flurries early in the evening. Wind southwest 20 km/h becoming light in the evening. Low minus 4. Wind chill near minus 10. Vaughan - Richmond Hill - Markham Pickering - Oshawa - Southern Durham Region. Tonight..Mainly cloudy. 30 percent chance of flurries early this evening. A few flurries beginning near midnight. Local amount 2 cm. Wind northwest 20 km/h becoming light early this evening. Low minus 5. Wind chill near minus 8. Tuesday..A mix of sun and cloud. 30 percent chance of rain showers or flurries in the afternoon. High plus 5. UV index 4 or moderate. Tuesday night..Partly cloudy. 30 percent chance of rain showers or flurries early in the evening. Wind up to 15 km/h. Low minus 4. Wind chill near minus 9. Newmarket - Georgina - Northern York Region Uxbridge - Beaverton - Northern Durham Region. Tonight..Partly cloudy. 30 percent chance of flurries early this evening. A few flurries beginning this evening and ending before morning. Local amount 2 cm. Wind northwest 20 km/h gusting to 40 becoming light early this evening. Low minus 6. Wind chill near minus 9. Tuesday..A mix of sun and cloud. 30 percent chance of flurries or rain showers in the afternoon. Wind up to 15 km/h. High plus 4. UV index 4 or moderate. Wind chill minus 8 in the morning. Tuesday night..Partly cloudy. 30 percent chance of flurries or rain showers early in the evening. Wind up to 15 km/h. Low minus 4. Wind chill near minus 9. Goderich - Bluewater - Southern Huron County Wingham - Blyth - Northern Huron County. Tonight..Partly cloudy. A few flurries beginning this evening and ending before morning. Local amount 2 cm. Wind northwest 20 km/h becoming light early this evening. Low minus 6. Wind chill minus 3 in the evening and minus 8 overnight. Tuesday..A mix of sun and cloud. 30 percent chance of rain showers or flurries in the afternoon. Wind becoming west 20 km/h late in the morning. High plus 3. UV index 4 or moderate. Wind chill minus 12 in the morning. Tuesday night..Partly cloudy. 30 percent chance of rain showers or flurries early in the evening. Wind becoming southwest 20 km/h overnight. Low minus 4. Wind chill minus 5 in the evening and minus 10 overnight. Stratford - Mitchell - Southern Perth County Listowel - Milverton - Northern Perth County. Tonight..Mainly cloudy with 30 percent chance of flurries early this evening. A few flurries beginning this evening. Local amount 2 cm. Wind northwest 20 km/h becoming light early this evening. Low minus 6. Wind chill near minus 8. Tuesday..A mix of sun and cloud. 30 percent chance of rain showers or flurries in the afternoon. Wind becoming west 20 km/h near noon. High plus 4. UV index 4 or moderate. Wind chill minus 9 in the morning. Tuesday night..Partly cloudy. 30 percent chance of rain showers or flurries early in the evening. Wind west 20 km/h becoming light in the evening. Low minus 4. Wind chill near minus 9. Kitchener - Cambridge - Region of Waterloo Guelph - Erin - Southern Wellington County. Tonight..Mainly cloudy with 30 percent chance of flurries early this evening. A few flurries beginning this evening. Local amount 2 cm. Wind northwest 20 km/h becoming light early this evening. Low minus 6. Wind chill near minus 8. Tuesday..A mix of sun and cloud. 30 percent chance of rain showers or flurries in the afternoon. Wind becoming west 20 km/h near noon. High plus 4. UV index 4 or moderate. Tuesday night..Partly cloudy. 30 percent chance of rain showers or flurries early in the evening. Wind west 20 km/h becoming light in the evening. Low minus 4. Wind chill near minus 9. Mount Forest - Arthur - Northern Wellington County Orangeville - Grand Valley - Southern Dufferin County Shelburne - Mansfield - Northern Dufferin County Hanover - Dundalk - Southern Grey County. Tonight..Partly cloudy. 30 percent chance of flurries early this evening. A few flurries beginning this evening and ending before morning. Local amount 2 cm. Fog patches developing overnight. Wind northwest 20 km/h becoming light this evening. Low minus 7. Wind chill near minus 10. Tuesday..A mix of sun and cloud with 60 percent chance of flurries. Fog patches dissipating in the morning. Wind becoming west 20 km/h early in the afternoon. High plus 3. UV index 4 or moderate. Wind chill minus 10 in the morning. Tuesday night..Partly cloudy. 40 percent chance of flurries early in the evening. Wind west 20 km/h becoming light in the evening. Low minus 6. Wind chill minus 5 in the evening and minus 12 overnight. Saugeen Shores - Kincardine - Southern Bruce County. Tonight..Partly cloudy. 30 percent chance of flurries early this evening. A few flurries beginning early this evening and ending after midnight. Local amount 2 cm. Fog patches developing overnight. Wind northwest 20 km/h becoming light early this evening. Low minus 6. Wind chill minus 3 in the evening and minus 8 overnight. Tuesday..A mix of sun and cloud with 60 percent chance of flurries. Fog patches dissipating in the morning. Wind up to 15 km/h. High plus 3. UV index 4 or moderate. Wind chill minus 10 in the morning. Tuesday night..Partly cloudy. 40 percent chance of flurries early in the evening. Wind up to 15 km/h. Low minus 4. Wind chill near minus 10. Bruce Peninsula - Sauble Beach - Tobermory Owen Sound - Blue Mountains - Northern Grey County. Tonight..Mainly cloudy. 30 percent chance of flurries early this evening. A few flurries beginning early this evening. Local amount 2 cm. Fog patches developing overnight. Wind northwest 20 km/h becoming light early this evening. Low minus 6. Wind chill near minus 8. Tuesday..A mix of sun and cloud with 60 percent chance of flurries. Fog patches dissipating in the morning. Wind up to 15 km/h. High plus 3. UV index 4 or moderate. Wind chill minus 8 in the morning. Tuesday night..Partly cloudy. 30 percent chance of flurries early in the evening. Wind up to 15 km/h. Low minus 4. Wind chill near minus 10. Barrie - Orillia - Midland. Tonight..Mainly cloudy. 30 percent chance of flurries early this evening. A few flurries beginning this evening. Local amount 2 to 4 cm. Fog patches developing overnight. Wind northwest 20 km/h gusting to 40 becoming light early this evening. Low minus 6. Wind chill near minus 9. Tuesday..A mix of sun and cloud. 60 percent chance of flurries changing to 40 percent chance of rain showers or flurries early in the afternoon. Fog patches dissipating in the morning. Wind up to 15 km/h. High plus 3. UV index 4 or moderate. Wind chill minus 8 in the morning. Tuesday night..Partly cloudy. 40 percent chance of rain showers or flurries early in the evening. Wind up to 15 km/h. Low minus 5. Wind chill minus 5 in the evening and minus 11 overnight. Belleville - Quinte - Northumberland Napanee - Consecon Kingston - Odessa - Frontenac Islands. Tonight..A few flurries ending early this evening then partly cloudy. A few flurries beginning near midnight. Local amount 2 cm. Wind west 20 km/h gusting to 40 becoming light this evening. Low minus 6. Wind chill near minus 10. Tuesday..A few flurries ending early in the morning then a mix of sun and cloud. 30 percent chance of rain showers or flurries in the afternoon. Wind up to 15 km/h. High plus 3. UV index 4 or moderate. Wind chill minus 8 in the morning. Tuesday night..Partly cloudy. 30 percent chance of rain showers or flurries early in the evening. Wind up to 15 km/h. Low minus 4. Wind chill near minus 9. Picton - Sandbanks Park. Tonight..A few flurries ending early this evening then partly cloudy. A few flurries beginning near midnight. Local amount 2 cm. Wind west 20 km/h gusting to 40 becoming light this evening. Low minus 6. Wind chill near minus 10. Tuesday..A few flurries ending early in the morning then a mix of sun and cloud. 30 percent chance of rain showers or flurries in the afternoon. Wind up to 15 km/h. High plus 3. UV index 4 or moderate. Wind chill minus 8 in the morning. Tuesday night..Partly cloudy. 30 percent chance of rain showers or flurries early in the evening. Wind up to 15 km/h. Low minus 4. Wind chill near minus 9. Lindsay - Southern Kawartha Lakes Peterborough City - Lakefield - Southern Peterborough County. Tonight..Mainly cloudy. 40 percent chance of flurries early this evening. A few flurries beginning near midnight. Local amount 2 cm. Wind northwest 20 km/h becoming light early this evening. Low minus 7. Wind chill near minus 10. Tuesday..A mix of sun and cloud. 30 percent chance of rain showers or flurries in the afternoon. Wind up to 15 km/h. High plus 3. UV index 4 or moderate. Wind chill minus 9 in the morning. Tuesday night..Partly cloudy. 30 percent chance of flurries early in the evening. Wind up to 15 km/h. Low minus 7. Wind chill minus 5 in the evening and minus 13 overnight. Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes Apsley - Woodview - Northern Peterborough County. Tonight..Partly cloudy. 40 percent chance of flurries early this evening. A few flurries beginning near midnight. Local amount 2 cm. Wind northwest 20 km/h becoming light early this evening. Low minus 9. Wind chill near minus 13. Tuesday..A mix of sun and cloud. 30 percent chance of rain showers or flurries in the afternoon. Wind up to 15 km/h. High plus 2. UV index 4 or moderate. Wind chill minus 11 in the morning. Tuesday night..Partly cloudy. 30 percent chance of flurries early in the evening. Wind up to 15 km/h. Low minus 10. Wind chill minus 5 in the evening and minus 16 overnight. Stirling - Tweed - South Frontenac. Tonight..Partly cloudy. 60 percent chance of flurries early this evening. A few flurries beginning after midnight. Wind northwest 20 km/h becoming light early this evening. Low minus 10. Wind chill near minus 13. Tuesday..A few flurries ending early in the morning then a mix of sun and cloud. 40 percent chance of flurries in the afternoon. Wind up to 15 km/h. High plus 2. UV index 4 or moderate. Wind chill minus 13 in the morning. Tuesday night..Partly cloudy. 40 percent chance of flurries early in the evening. Wind up to 15 km/h. Low minus 7. Wind chill minus 6 in the evening and minus 12 overnight. Kaladar - Bannockburn - Bon Echo Park Smiths Falls - Lanark - Sharbot Lake. Tonight..Partly cloudy. 30 percent chance of flurries early this evening. 40 percent chance of flurries overnight. Wind northwest 20 km/h becoming light early this evening. Low minus 14. Wind chill near minus 18. Tuesday..A mix of sun and cloud with 40 percent chance of flurries. Wind up to 15 km/h. High zero. UV index 4 or moderate. Wind chill minus 17 in the morning. Tuesday night..Partly cloudy. 30 percent chance of flurries early in the evening. Wind up to 15 km/h. Low minus 11. Wind chill minus 5 in the evening and minus 16 overnight. Bancroft - Hastings Highlands - Denbigh Haliburton Renfrew - Pembroke - Barry's Bay Algonquin. Tonight..Partly cloudy. 40 percent chance of flurries overnight. Wind up to 15 km/h. Low minus 14. Wind chill near minus 17. Tuesday..A mix of sun and cloud with 40 percent chance of flurries. Wind up to 15 km/h. High zero. UV index 4 or moderate. Wind chill minus 17 in the morning. Tuesday night..Partly cloudy. 40 percent chance of flurries early in the evening. Wind up to 15 km/h. Low minus 11. Wind chill minus 5 in the evening and minus 16 overnight. Brockville - Leeds and Grenville. Tonight..Partly cloudy. 30 percent chance of flurries early this evening and before morning. Wind northwest 20 km/h becoming light early this evening. Low minus 13. Wind chill minus 7 in the evening and minus 16 overnight. Tuesday..A mix of sun and cloud with 30 percent chance of flurries. Wind up to 15 km/h. High plus 1. UV index 4 or moderate. Wind chill minus 16 in the morning. Tuesday night..Partly cloudy with 30 percent chance of flurries early in the evening. Clearing in the evening. Wind up to 15 km/h. Low minus 7. Wind chill minus 3 in the evening and minus 13 overnight. City of Ottawa Gatineau Prescott and Russell Cornwall - Morrisburg. Tonight..Clear. Wind northwest 20 km/h becoming light early this evening. Low minus 15. Wind chill minus 7 in the evening and minus 19 overnight. Tuesday..Sunny in the morning and early in the afternoon then a mix of sun and cloud with 30 percent chance of flurries in the afternoon. Wind up to 15 km/h. High zero. UV index 4 or moderate. Wind chill minus 19 in the morning. Tuesday night..Partly cloudy with 30 percent chance of flurries early in the evening. Clearing in the evening. Wind up to 15 km/h. Low minus 10. Wind chill minus 3 in the evening and minus 17 overnight. Parry Sound - Muskoka. Tonight..Partly cloudy. 30 percent chance of flurries early this evening. Flurries beginning this evening then changing to 40 percent chance of flurries before morning. Local amount 2 cm. Fog patches developing before morning. Wind up to 15 km/h. Low minus 8. Wind chill near minus 12. Tuesday..A mix of sun and cloud. 40 percent chance of flurries in the morning and early in the afternoon. Fog patches dissipating in the morning. Wind up to 15 km/h. High plus 1. UV index 4 or moderate. Wind chill minus 11 in the morning. Tuesday night..Partly cloudy. 40 percent chance of flurries overnight. Wind up to 15 km/h. Low minus 7. Wind chill near minus 12. Burk's Falls - Bayfield Inlet. Tonight..Partly cloudy. Flurries beginning this evening and ending before morning then 40 percent chance of flurries. Wind up to 15 km/h. Low minus 8. Wind chill near minus 13. Tuesday..A mix of sun and cloud with 40 percent chance of flurries in the morning. Clearing in the afternoon. Wind up to 15 km/h. High plus 1. UV index 4 or moderate. Wind chill minus 11 in the morning. Tuesday night..Clear in the evening then partly cloudy with 40 percent chance of flurries overnight. Wind up to 15 km/h. Low minus 8. Wind chill near minus 13. End $$$$^^