Forecasts for Southern Ontario and the National Capital Region


* NOTE: Corrected and/or amended bulletins are listed first *

 
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
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