Forecasts for Southern Ontario and the National Capital Region
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* NOTE: Corrected and/or amended bulletins are listed first *
FPCN11 CWTO 210900 Forecasts for Southern Ontario and the National Capital Region issued by Environment Canada at 5:00 a.m. EDT Sunday 21 October 2018 for today and Monday. The next scheduled forecast will be issued at 11:00 a.m. EDT. City of Toronto Vaughan - Richmond Hill - Markham Pickering - Oshawa - Southern Durham Region. Today..Mainly cloudy. 40 percent chance of flurries changing to 40 percent chance of rain showers or flurries near noon. Wind northwest 20 km/h gusting to 40. High plus 5. UV index 2 or low. Tonight..Mainly cloudy. 30 percent chance of flurries or rain showers overnight. Wind northwest 20 km/h becoming light this evening. Low plus 1. Monday..Mainly cloudy. 30 percent chance of flurries or rain showers early in the morning. Wind becoming southwest 20 km/h gusting to 40 late in the morning. High 11. Windsor - Leamington - Essex County. Today..A mix of sun and cloud. Wind northwest 30 km/h gusting to 50. High 7. UV index 3 or moderate. Tonight..Partly cloudy. Wind west 20 km/h. Low plus 2 with risk of frost. Monday..A mix of sun and cloud. Wind southwest 20 km/h gusting to 40. High 12. Chatham-Kent - Rondeau Park. Today..A mix of sun and cloud. 30 percent chance of flurries early this morning. Wind northwest 30 km/h gusting to 50. High 6. UV index 3 or moderate. Tonight..Mainly cloudy. Wind west 20 km/h. Low plus 2 with risk of frost. Monday..A mix of sun and cloud. Wind southwest 20 km/h gusting to 40. High 12. Sarnia - Petrolia - Western Lambton County. Today..Mainly cloudy. Wind northwest 30 km/h gusting to 50. High 6. UV index 2 or low. Tonight..Mainly cloudy. Wind west 20 km/h. Low plus 1 with risk of frost. Monday..A mix of sun and cloud. Wind southwest 20 km/h gusting to 40. High 11. Watford - Pinery Park - Eastern Lambton County Rodney - Shedden - Western Elgin County Strathroy - Komoka - Western Middlesex County. Today..Flurries or rain showers ending late this morning then mainly cloudy. Local snowfall amount 2 cm. Wind northwest 30 km/h gusting to 50. High plus 5. UV index 2 or low. Tonight..Mainly cloudy. Wind west 20 km/h. Low plus 1 with risk of frost. Monday..A mix of sun and cloud. Wind southwest 20 km/h gusting to 40. High 11. St. Thomas - Aylmer - Eastern Elgin County London - Parkhill - Eastern Middlesex County. Today..Mainly cloudy. Flurries or rain showers beginning early this morning and ending late this afternoon. Local snowfall amount 2 cm. Wind northwest 20 km/h gusting to 40. High plus 4. UV index 1 or low. Tonight..Mainly cloudy. Wind northwest 20 km/h becoming southwest 20 late this evening. Low plus 2. Monday..A mix of sun and cloud. Wind southwest 20 km/h gusting to 40. High 11. Simcoe - Delhi - Norfolk Dunnville - Caledonia - Haldimand. Today..Mainly cloudy. 40 percent chance of showers this afternoon. Wind northwest 20 km/h gusting to 40. High plus 5. UV index 2 or low. Tonight..Mainly cloudy. Wind northwest 20 km/h becoming southwest 20 near midnight. Low plus 2. Monday..A mix of sun and cloud. Wind southwest 20 km/h gusting to 40. High 11. Oxford - Brant. Today..Mainly cloudy. 40 percent chance of flurries or rain showers this afternoon. Wind northwest 20 km/h gusting to 40. High plus 4. UV index 2 or low. Tonight..Mainly cloudy. Wind northwest 20 km/h becoming southwest 20 near midnight. Low plus 1. Monday..A mix of sun and cloud. Wind southwest 20 km/h gusting to 40. High 11. Niagara Falls - Welland - Southern Niagara Region. Today..A mix of sun and cloud. 30 percent chance of flurries or rain showers this morning. Wind northwest 20 km/h gusting to 40. High 6. UV index 3 or moderate. Tonight..Mainly cloudy. 30 percent chance of showers this evening. Wind west 20 km/h. Low plus 4. Monday..Mainly cloudy. 60 percent chance of showers late in the morning and in the afternoon. Wind southwest 30 km/h gusting to 60. High 11. St. Catharines - Grimsby - Northern Niagara Region City of Hamilton. Today..A mix of sun and cloud. 40 percent chance of flurries or rain showers this morning. Wind northwest 20 km/h gusting to 40. High 6. UV index 3 or moderate. Tonight..Mainly cloudy. 30 percent chance of showers this evening. Wind west 20 km/h. Low plus 3. Monday..Mainly cloudy. Wind southwest 20 km/h gusting to 40. High 12. Burlington - Oakville Halton Hills - Milton Mississauga - Brampton. Today..Mainly cloudy. 70 percent chance of flurries this morning. Wind northwest 20 km/h gusting to 40. High plus 5. UV index 2 or low. Tonight..Mainly cloudy with 30 percent chance of flurries or rain showers. Wind northwest 20 km/h becoming light this evening. Low plus 1. Monday..Mainly cloudy. Wind becoming southwest 20 km/h gusting to 40 late in the morning. High 12. Caledon Orangeville - Grand Valley - Southern Dufferin County Shelburne - Mansfield - Northern Dufferin County. Today..A few flurries ending near noon then cloudy with 30 percent chance of flurries or rain showers this afternoon. Local snowfall amount 2 to 4 cm. Wind northwest 20 km/h gusting to 40. High plus 3. UV index 1 or low. Tonight..Cloudy with 40 percent chance of flurries or rain showers. Wind northwest 20 km/h becoming southwest 20 near midnight. Low zero. Monday..Mainly cloudy. 30 percent chance of flurries or rain showers early in the morning. Wind southwest 20 km/h gusting to 40. High 8. Newmarket - Georgina - Northern York Region Uxbridge - Beaverton - Northern Durham Region. Today..Mainly cloudy. 60 percent chance of flurries changing to 60 percent chance of rain showers or flurries late this morning. Wind northwest 20 km/h gusting to 40. High plus 3. UV index 2 or low. Tonight..Mainly cloudy. 60 percent chance of flurries or rain showers overnight. Wind northwest 20 km/h becoming light this evening. Low zero. Monday..Mainly cloudy. 30 percent chance of flurries or rain showers early in the morning. Wind becoming southwest 20 km/h gusting to 40 late in the morning. High 10. Goderich - Bluewater - Southern Huron County Wingham - Blyth - Northern Huron County. Today..Flurries changing to rain showers or flurries this morning and ending late this afternoon then cloudy. Local snowfall amount 2 cm. Wind north 30 km/h gusting to 50. High plus 4. UV index 1 or low. Tonight..Mainly cloudy. 30 percent chance of showers overnight. Wind west 20 km/h gusting to 40. Low plus 2. Monday..Mainly cloudy. Wind southwest 30 km/h gusting to 50. High 9. Stratford - Mitchell - Southern Perth County Listowel - Milverton - Northern Perth County Kitchener - Cambridge - Region of Waterloo. Today..Mainly cloudy with 30 percent chance of flurries this morning. Rain showers or flurries beginning near noon. Wind northwest 20 km/h gusting to 40. High plus 3. UV index 2 or low. Tonight..Mainly cloudy. 30 percent chance of rain showers or flurries late this evening and overnight. Wind northwest 20 km/h becoming southwest 20 near midnight. Low plus 1. Monday..Mainly cloudy. Wind southwest 20 km/h gusting to 40. High 9. Guelph - Erin - Southern Wellington County. Today..Mainly cloudy. 70 percent chance of flurries early this morning. Wind northwest 20 km/h gusting to 40. High plus 4. UV index 2 or low. Tonight..Mainly cloudy with 30 percent chance of flurries or rain showers. Wind northwest 20 km/h becoming southwest 20 near midnight. Low plus 1. Monday..Mainly cloudy. Wind southwest 20 km/h gusting to 40. High 9. Mount Forest - Arthur - Northern Wellington County Hanover - Dundalk - Southern Grey County. Today..Flurries ending this morning then mainly cloudy with 30 percent chance of flurries or rain showers. Local snowfall amount 2 cm. Wind northwest 20 km/h gusting to 40. High plus 3. UV index 2 or low. Wind chill minus 8 in the morning. Tonight..Mainly cloudy with 60 percent chance of flurries or rain showers. Wind northwest 20 km/h becoming southwest 20 near midnight. Low zero. Monday..Mainly cloudy. 30 percent chance of flurries or rain showers early in the morning. Wind southwest 20 km/h gusting to 40. High 8. Innisfil - New Tecumseth - Angus. Today..A few flurries ending near noon then cloudy with 30 percent chance of flurries or rain showers this afternoon. Local snowfall amount 2 to 4 cm. Wind northwest 20 km/h gusting to 40. High plus 3. UV index 1 or low. Tonight..Cloudy with 40 percent chance of flurries or rain showers. Wind northwest 20 km/h becoming light this evening. Low zero. Monday..Mainly cloudy. 30 percent chance of flurries or rain showers early in the morning. Wind becoming southwest 20 km/h gusting to 40 late in the morning. High 9. Saugeen Shores - Kincardine - Southern Bruce County. Today..Flurries changing to rain showers and flurries near noon. Local snowfall amount 2 cm. Wind north 30 km/h gusting to 50. High plus 4. UV index 1 or low. Tonight..Cloudy with 60 percent chance of showers. Wind west 20 km/h gusting to 40. Low plus 3. Monday..Mainly cloudy. 40 percent chance of showers in the morning. Wind southwest 30 km/h gusting to 50. High 9. Bruce Peninsula - Sauble Beach - Tobermory. Today..A few flurries ending near noon then cloudy with 60 percent chance of rain showers or flurries. Local snowfall amount 2 cm. Wind north 30 km/h gusting to 50. High plus 4. UV index 1 or low. Tonight..Cloudy with 60 percent chance of showers. Wind west 20 km/h gusting to 40. Low plus 3. Monday..Mainly cloudy. 40 percent chance of showers in the morning. Wind southwest 30 km/h gusting to 50. High 9. Owen Sound - Blue Mountains - Northern Grey County. Today..Flurries ending near noon then mainly cloudy with 30 percent chance of rain showers or flurries. Local snowfall amount 2 to 4 cm. Wind northwest 30 km/h gusting to 50. High plus 3. UV index 2 or low. Tonight..Cloudy with 60 percent chance of flurries or rain showers. Wind northwest 20 km/h becoming southwest 20 near midnight. Low plus 2. Monday..Mainly cloudy. 60 percent chance of showers in the morning. Wind southwest 30 km/h gusting to 50. High 9. Barrie - Collingwood - Hillsdale Midland - Coldwater - Orr Lake. Today..Flurries changing to a few rain showers and flurries near noon. Local snowfall amount 2 to 4 cm. Wind northwest 30 km/h gusting to 50. High plus 3. UV index 1 or low. Tonight..Cloudy with 60 percent chance of flurries or rain showers. Wind northwest 20 km/h becoming southwest 20 near midnight. Low plus 1. Monday..Mainly cloudy with 30 percent chance of showers. Wind southwest 20 km/h gusting to 40. High 10. Orillia - Lagoon City - Washago. Today..Mainly cloudy. 40 percent chance of rain showers or flurries this afternoon. Wind northwest 20 km/h gusting to 40. High plus 3. UV index 2 or low. Tonight..Cloudy with 60 percent chance of flurries or rain showers. Wind northwest 20 km/h becoming southwest 20 near midnight. Low plus 1. Monday..Mainly cloudy with 30 percent chance of showers. Wind southwest 20 km/h gusting to 40. High 9. Belleville - Quinte - Northumberland. Today..A mix of sun and cloud. Wind northwest 20 km/h gusting to 40. High plus 5. UV index 2 or low. Tonight..Mainly cloudy. 60 percent chance of flurries or rain showers overnight. Wind northwest 20 km/h becoming light this evening. Low zero. Monday..Mainly cloudy. 60 percent chance of flurries or rain showers early in the morning. Wind becoming southwest 20 km/h gusting to 40 near noon. High 10. Picton - Sandbanks Park. Today..A mix of sun and cloud. Wind northwest 30 km/h gusting to 50. High 6. UV index 2 or low. Tonight..Mainly cloudy. 60 percent chance of showers overnight. Wind northwest 20 km/h. Low plus 1. Monday..Mainly cloudy. 60 percent chance of showers in the morning. Wind southwest 30 km/h gusting to 50. High 10. Napanee - Consecon Kingston - Odessa - Frontenac Islands. Today..A mix of sun and cloud. Wind northwest 20 km/h gusting to 40. High plus 5. UV index 2 or low. Tonight..Mainly cloudy. 60 percent chance of flurries or rain showers overnight. Wind northwest 20 km/h becoming light this evening. Low zero. Monday..Mainly cloudy. 60 percent chance of flurries or rain showers in the morning. Wind becoming southwest 20 km/h gusting to 40 near noon. High 10. Lindsay - Southern Kawartha Lakes Peterborough City - Lakefield - Southern Peterborough County. Today..Mainly cloudy. 30 percent chance of flurries this morning. Wind northwest 20 km/h gusting to 40. High plus 3. UV index 2 or low. Tonight..Cloudy. A few flurries beginning near midnight then changing to a few rain showers or flurries before morning. Wind northwest 20 km/h becoming light this evening. Low zero. Monday..A few rain showers or flurries ending in the morning then mainly cloudy. Wind becoming southwest 20 km/h gusting to 40 near noon. High 9. Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes Apsley - Woodview - Northern Peterborough County. Today..Mainly cloudy. 30 percent chance of flurries this morning. Wind becoming northwest 20 km/h gusting to 40 near noon. High plus 3. UV index 2 or low. Wind chill minus 7 in the morning. Tonight..Cloudy. Flurries beginning near midnight. Wind northwest 20 km/h becoming light this evening. Low minus 1. Wind chill near minus 5. Monday..Flurries and rain showers ending late in the morning then mainly cloudy with 30 percent chance of rain showers. Wind becoming southwest 20 km/h near noon. High 7. Stirling - Tweed - South Frontenac Kaladar - Bannockburn - Bon Echo Park. Today..Mainly cloudy. 30 percent chance of flurries this morning. Wind becoming northwest 20 km/h gusting to 40 near noon. High plus 3. UV index 2 or low. Tonight..Mainly cloudy. Flurries beginning overnight. Wind northwest 20 km/h becoming light this evening. Low minus 1. Wind chill minus 3 overnight. Monday..Flurries ending near noon then cloudy with 30 percent chance of rain showers. Wind becoming southwest 20 km/h near noon. High 7. Bancroft - Hastings Highlands - Denbigh Haliburton - Minden - Southern Haliburton County. Today..Mainly cloudy. 30 percent chance of flurries this morning. Wind becoming northwest 20 km/h gusting to 40 late this morning. High plus 1. UV index 2 or low. Wind chill minus 8 in the morning. Tonight..Mainly cloudy. Flurries beginning near midnight. Local amount 2 cm. Wind northwest 20 km/h becoming light this evening. Low minus 2. Wind chill near minus 6. Monday..Mainly cloudy. 70 percent chance of flurries changing to 70 percent chance of rain showers in the morning. Wind becoming southwest 20 km/h near noon. High 6. Brockville - Leeds and Grenville City of Ottawa Gatineau Prescott and Russell Cornwall - Morrisburg. Today..Mainly cloudy. 30 percent chance of flurries this morning. Wind northwest 30 km/h gusting to 50. High plus 3. UV index 2 or low. Wind chill minus 8 in the morning. Tonight..Partly cloudy. Becoming cloudy near midnight. Wind northwest 20 km/h becoming light this evening. Low minus 1. Wind chill near minus 5. Monday..Cloudy. 70 percent chance of flurries changing to 70 percent chance of rain showers in the afternoon. Wind becoming southwest 20 km/h in the afternoon. High 6. Smiths Falls - Lanark - Sharbot Lake. Today..Mainly cloudy. 30 percent chance of flurries this morning. Wind becoming northwest 20 km/h gusting to 40 near noon. High plus 3. UV index 2 or low. Tonight..Mainly cloudy. Flurries beginning before morning. Wind northwest 20 km/h becoming light this evening. Low minus 1. Wind chill minus 3 overnight. Monday..Flurries ending near noon then cloudy with 30 percent chance of rain showers. Wind becoming southwest 20 km/h near noon. High 6. Port Carling - Port Severn Bracebridge - Gravenhurst Town of Parry Sound - Rosseau - Killbear Park Bayfield Inlet - Dunchurch. Today..Mainly cloudy. 30 percent chance of flurries this morning. Wind northwest 20 km/h gusting to 40. High plus 2. UV index 2 or low. Tonight..Cloudy. Flurries or rain showers beginning late this evening. Local snowfall amount 2 cm. Wind west 20 km/h. Low plus 1. Monday..Mainly cloudy. 70 percent chance of flurries or rain showers changing to 70 percent chance of rain showers late in the morning. Wind southwest 30 km/h gusting to 50. High 8. Huntsville - Baysville Oxtongue Lake - Fort Irwin - Northern Haliburton County Algonquin South River - Burk's Falls. Today..Mainly cloudy. 30 percent chance of flurries this morning. Wind northwest 20 km/h gusting to 40. High zero. UV index 2 or low. Wind chill minus 9 in the morning. Tonight..Mainly cloudy. Flurries beginning near midnight. Local amount 2 cm. Wind northwest 20 km/h becoming light this evening. Low minus 2. Wind chill near minus 6. Monday..Mainly cloudy. 70 percent chance of flurries changing to 70 percent chance of rain showers or flurries near noon. High plus 5. Renfrew - Pembroke - Barry's Bay. Today..Mainly cloudy. 30 percent chance of flurries this morning. Wind becoming northwest 20 km/h gusting to 40 this morning. High plus 2. UV index 2 or low. Tonight..Mainly cloudy. Flurries beginning overnight. Wind northwest 20 km/h becoming light this evening. Low minus 2. Wind chill near minus 6. Monday..Flurries ending in the morning then mainly cloudy with 60 percent chance of rain showers or flurries. Local snowfall amount 2 cm. High plus 5. End $$$$^^