Forecasts for Southern Ontario and the National Capital Region


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

 
FPCN11 CWTO 291930
Forecasts for Southern Ontario and the National Capital Region issued
by Environment Canada at 3.30 pm edt Saturday 29 April 2017 for
tonight Sunday and Sunday night.
The next scheduled forecast will be issued at 5.00 am Sunday.

City of Toronto
Burlington - Oakville
Mississauga - Brampton.
Tonight..Mainly cloudy. 30 percent chance of showers overnight. Wind
 northwest 20 km/h becoming light this evening. Wind becoming
 northeast 20 gusting to 40 overnight. Low plus 5.
Sunday..Cloudy with 70 percent chance of showers and risk of a
 thunderstorm. Wind east 30 km/h gusting to 50. High 9. UV index 4 or
 moderate.
Sunday night..Cloudy. 40 percent chance of showers early in the
 evening with risk of a thunderstorm. Fog patches developing after
 midnight. Wind east 30 km/h gusting to 50 becoming light in the
 evening. Low 8.

Windsor - Essex - Chatham-Kent.
Tonight..Mainly cloudy with 30 percent chance of showers. Showers
 beginning overnight. Risk of a thunderstorm overnight. Wind
 northeast 30 km/h gusting to 50. Temperature steady near 7.
Sunday..Showers ending late in the morning then mainly cloudy. Risk
 of a thunderstorm in the morning. Wind east 30 km/h gusting to 50.
 High 19. UV index 6 or high.
Sunday night..Cloudy. 40 percent chance of showers late in the
 evening and overnight. Risk of a thunderstorm late in the evening
 and after midnight. Wind southeast 30 km/h. Low 17.

Sarnia - Lambton.
Tonight..Mainly cloudy. 40 percent chance of showers late this
 evening and overnight. A few showers beginning before morning. Risk
 of a thunderstorm before morning. Wind northeast 30 km/h gusting to
 50. Temperature steady near plus 5.
Sunday..A few showers ending in the morning then mainly cloudy. Risk
 of a thunderstorm in the morning. Wind east 30 km/h gusting to 50.
 High 16. UV index 6 or high.
Sunday night..Cloudy. 40 percent chance of showers late in the
 evening and overnight with risk of a thunderstorm. Wind southeast
 20 km/h becoming light near midnight. Temperature steady near 15.

Elgin.
Tonight..Mainly cloudy. Showers beginning overnight. Risk of a
 thunderstorm overnight. Wind northeast 30 km/h gusting to 50. Low 6.
Sunday..Showers ending late in the morning then mainly cloudy. Risk
 of a thunderstorm in the morning. Wind east 30 km/h gusting to 50.
 High 14. UV index 7 or high.
Sunday night..Mainly cloudy. Wind east 20 km/h becoming south 20
 after midnight. Temperature rising to 18 by morning.

London - Middlesex.
Tonight..Mainly cloudy. Showers beginning overnight. Risk of a
 thunderstorm overnight. Wind northeast 30 km/h gusting to 50. Low
 plus 5.
Sunday..Showers ending late in the morning then mainly cloudy. Risk
 of a thunderstorm in the morning. Wind east 30 km/h gusting to 50.
 High 14. UV index 7 or high.
Sunday night..Mainly cloudy. Wind southeast 30 km/h becoming light
 near midnight. Temperature steady near 14.

Simcoe - Delhi - Norfolk
Dunnville - Caledonia - Haldimand.
Tonight..Mainly cloudy. 40 percent chance of showers overnight. Wind
 becoming northeast 20 km/h gusting to 40 this evening. Low plus 5.
Sunday..Showers ending near noon then mainly cloudy. Risk of a
 thunderstorm in the morning. Wind northeast 30 km/h gusting to 50.
 High 11. UV index 6 or high.
Sunday night..Mainly cloudy. Wind northeast 30 km/h gusting to 50
 becoming light in the evening. Wind becoming south 20 after
 midnight. Temperature rising to 16 by morning.

Oxford - Brant.
Tonight..Cloudy. 40 percent chance of showers overnight. Wind
 northwest 20 km/h becoming northeast 20 gusting to 40 this evening.
 Low plus 5.
Sunday..Showers ending near noon then mainly cloudy. Risk of a
 thunderstorm in the morning. Wind northeast 30 km/h gusting to 50.
 High 10. UV index 7 or high.
Sunday night..Partly cloudy. Wind east 30 km/h becoming light near
 midnight. Temperature rising to 14 by morning.

Niagara Falls - Welland - Southern Niagara Region.
Tonight..Mainly cloudy. 40 percent chance of showers overnight. Wind
 becoming northeast 20 km/h late this evening. Low plus 5.
Sunday..Mainly cloudy. 70 percent chance of showers in the morning
 with risk of a thunderstorm. Wind northeast 30 km/h gusting to 50.
 High 15. UV index 6 or high.
Sunday night..Partly cloudy. Wind northeast 30 km/h gusting to 50
 becoming light in the evening. Wind becoming south 30 after
 midnight. Temperature steady near 16.

St. Catharines - Grimsby - Northern Niagara Region.
Tonight..Mainly cloudy. 40 percent chance of showers overnight. Wind
 becoming northeast 20 km/h late this evening. Low plus 5.
Sunday..Mainly cloudy. 70 percent chance of showers in the morning
 with risk of a thunderstorm. Wind northeast 30 km/h gusting to 50.
 High 11. UV index 6 or high.
Sunday night..Partly cloudy. Fog patches developing late in the
 evening and dissipating before morning. Wind becoming south 20 km/h
 before morning. Temperature rising to 19 by morning.

City of Hamilton.
Tonight..Mainly cloudy. 40 percent chance of showers overnight. Wind
 northwest 20 km/h becoming northeast 20 gusting to 40 this evening.
 Low plus 5.
Sunday..Mainly cloudy. 60 percent chance of showers in the morning
 with risk of a thunderstorm. Wind northeast 30 km/h gusting to 50.
 High 8. UV index 6 or high.
Sunday night..Mainly cloudy. Fog patches developing near midnight.
 Wind northeast 30 km/h becoming light near midnight. Temperature
 steady near 8.

Halton Hills - Milton
Kitchener - Cambridge - Region of Waterloo
Guelph - Erin - Southern Wellington County.
Tonight..Mainly cloudy. 40 percent chance of showers overnight. Wind
 northwest 20 km/h gusting to 40 becoming northeast 20 gusting to 40
 this evening. Low plus 4.
Sunday..Cloudy with 70 percent chance of showers and risk of a
 thunderstorm. Wind east 30 km/h gusting to 50. High 9. UV index 5 or
 moderate.
Sunday night..Cloudy. Fog patches developing after midnight. Wind
 east 30 km/h gusting to 50 becoming light after midnight.
 Temperature rising to 14 by morning.

Caledon
Vaughan - Richmond Hill - Markham
Newmarket - Georgina - Northern York Region
Uxbridge - Beaverton - Northern Durham Region
Dufferin - Innisfil.
Tonight..Mainly cloudy. 40 percent chance of showers overnight. Wind
 northwest 30 km/h gusting to 50 becoming light this evening. Wind
 becoming northeast 20 gusting to 40 overnight. Low plus 4.
Sunday..Cloudy with 70 percent chance of showers and risk of a
 thunderstorm. Wind northeast 20 km/h gusting to 40. High 8. UV
 index 4 or moderate.
Sunday night..Cloudy. 60 percent chance of showers in the evening and
 after midnight with risk of a thunderstorm. Wind east 20 km/h
 gusting to 40 becoming light in the evening. Temperature steady
 near 8.

Pickering - Oshawa - Southern Durham Region.
Tonight..Mainly cloudy. 30 percent chance of showers before morning.
 Wind northwest 20 km/h becoming light this evening. Wind becoming
 northeast 20 gusting to 40 overnight. Low plus 5.
Sunday..Cloudy with 70 percent chance of showers and risk of a
 thunderstorm. Wind east 30 km/h gusting to 50. High 9. UV index 4 or
 moderate.
Sunday night..Cloudy. 40 percent chance of showers early in the
 evening. Fog patches developing near midnight. Wind east 30 km/h
 gusting to 50 becoming light in the evening. Temperature steady
 near 9.

Goderich - Bluewater - Southern Huron County
Wingham - Blyth - Northern Huron County
Mount Forest - Arthur - Northern Wellington County.
Tonight..Mainly cloudy. Showers beginning overnight. Risk of a
 thunderstorm overnight. Wind northwest 20 km/h gusting to 40
 becoming northeast 30 gusting to 50 this evening. Low plus 4.
Sunday..Showers with risk of a thunderstorm. Wind east 30 km/h
 gusting to 50. High 11. UV index 3 or moderate.
Sunday night..Cloudy with 40 percent chance of showers. Risk of a
 thunderstorm in the evening and after midnight. Wind east 30 km/h
 gusting to 50 becoming south 20 near midnight. Temperature rising
 to 16 by morning.

Stratford - Mitchell - Southern Perth County
Listowel - Milverton - Northern Perth County.
Tonight..Mainly cloudy. A few showers beginning overnight. Risk of a
 thunderstorm overnight. Wind northwest 20 km/h gusting to 40
 becoming northeast 30 gusting to 50 this evening. Low plus 4.
Sunday..A few showers ending in the morning then cloudy with
 60 percent chance of showers. Risk of a thunderstorm in the morning
 and afternoon. Wind east 30 km/h gusting to 50. High 11. UV index 5
 or moderate.
Sunday night..Cloudy with 40 percent chance of showers. Risk of a
 thunderstorm in the evening and after midnight. Wind east 30 km/h
 gusting to 50 becoming south 20 near midnight. Temperature rising
 to 16 by morning.

Grey - Bruce.
Tonight..Mainly cloudy. Showers beginning overnight. Wind northwest
 20 km/h gusting to 40 becoming northeast 30 gusting to 50 this
 evening. Low plus 3.
Sunday..Showers with risk of a thunderstorm. Amount 10 to 15 mm. Wind
 east 30 km/h gusting to 50. High 8. UV index 3 or moderate.
Sunday night..Rain at times heavy with risk of a thunderstorm. Amount
 30 to 40 mm. Wind east 20 km/h becoming light near midnight.
 Temperature rising to 14 by morning.

Barrie - Orillia - Midland.
Tonight..A few clouds. Increasing cloudiness early this evening then
 70 percent chance of showers overnight. Wind northwest 30 km/h
 gusting to 50 becoming light this evening. Wind becoming northeast
 20 gusting to 40 overnight. Low plus 3.
Sunday..Showers with risk of a thunderstorm. Amount 10 to 15 mm. Wind
 northeast 20 km/h gusting to 40. High 6. UV index 3 or moderate.
Sunday night..Showers ending near midnight then cloudy. Risk of a
 thunderstorm in the evening. Amount 5 to 10 mm. Temperature rising
 to 9 by morning.

Belleville - Quinte - Northumberland.
Tonight..Partly cloudy. Wind northwest 20 km/h gusting to 40 becoming
 light near midnight. Wind becoming northeast 20 gusting to 40 before
 morning. Low plus 4.
Sunday..Cloudy with 70 percent chance of showers and risk of a
 thunderstorm. Wind northeast 20 km/h gusting to 40. High 8. UV
 index 4 or moderate.
Sunday night..Mainly cloudy. 70 percent chance of showers early in
 the evening with risk of a thunderstorm. Wind northeast 20 km/h
 gusting to 40 becoming light in the evening. Temperature steady
 near 9.

Kingston - Prince Edward.
Tonight..Partly cloudy. Wind west 20 km/h gusting to 40 becoming
 light this evening. Wind becoming northeast 20 gusting to 40 before
 morning. Low plus 4.
Sunday..Cloudy. 70 percent chance of showers late in the morning and
 in the afternoon with risk of a thunderstorm. Wind northeast 20 km/h
 gusting to 40. High 8. UV index 4 or moderate.
Sunday night..Mainly cloudy. 70 percent chance of showers early in
 the evening with risk of a thunderstorm. Temperature rising to 12 by
 morning.

Lindsay - Southern Kawartha Lakes
Peterborough City - Lakefield - Southern Peterborough County.
Tonight..Partly cloudy. 30 percent chance of showers before morning.
 Wind northwest 30 km/h gusting to 50 becoming light this evening.
 Low plus 3.
Sunday..Cloudy with 70 percent chance of showers and risk of a
 thunderstorm. Wind becoming northeast 20 km/h gusting to 40 near
 noon. High 7. UV index 4 or moderate.
Sunday night..Cloudy. 60 percent chance of showers in the evening and
 after midnight with risk of a thunderstorm. Wind northeast 20 km/h
 gusting to 40 becoming light in the evening. Temperature steady
 near 7.

Fenelon Falls - Balsam Lake Park - Northern Kawartha Lakes
Apsley - Woodview - Northern Peterborough County
Kaladar - Bannockburn - Bon Echo Park.
Tonight..A few clouds. Increasing cloudiness late this evening then
 30 percent chance of showers before morning. Wind northwest 30 km/h
 gusting to 50 becoming light this evening. Low plus 2.
Sunday..Cloudy. Showers beginning in the morning. Risk of a
 thunderstorm. Wind becoming northeast 20 km/h gusting to 40 near
 noon. High 7. UV index 3 or moderate.
Sunday night..Showers ending in the evening then cloudy with
 60 percent chance of showers. Risk of a thunderstorm in the evening
 and overnight. Wind northeast 20 km/h gusting to 40 becoming light
 in the evening. Temperature steady near 6.

Stirling - Tweed - South Frontenac.
Tonight..Partly cloudy. Wind west 20 km/h gusting to 40 becoming
 light this evening. Wind becoming northeast 20 gusting to 40 before
 morning. Low plus 3.
Sunday..Cloudy. 70 percent chance of showers late in the morning and
 in the afternoon with risk of a thunderstorm. Wind northeast 20 km/h
 gusting to 40. High 7. UV index 4 or moderate.
Sunday night..Cloudy. 70 percent chance of showers in the evening
 with risk of a thunderstorm. Temperature rising to 13 by morning.

Bancroft - Hastings Highlands - Denbigh
Renfrew - Pembroke - Barry's Bay.
Tonight..A few clouds. Increasing cloudiness overnight. Wind
 northwest 20 km/h gusting to 40 becoming light this evening.
 Low zero.
Sunday..Cloudy. Showers beginning in the morning. Amount 5 to 10 mm.
 High plus 4. UV index 3 or moderate.
Sunday night..Rain at times heavy. Amount 20 to 30 mm. Temperature
 steady near plus 4.

Brockville - Leeds and Grenville.
Tonight..Partly cloudy. Wind west 20 km/h gusting to 40 becoming
 light this evening. Low plus 4.
Sunday..Cloudy. Showers beginning near noon. High 6. UV index 4 or
 moderate.
Sunday night..Showers ending near midnight then cloudy with
 40 percent chance of showers. Temperature rising to 9 by morning.

City of Ottawa
Gatineau
Prescott and Russell
Cornwall - Morrisburg.
Tonight..A few clouds. Increasing cloudiness overnight. Wind
 northwest 30 km/h gusting to 50 becoming light this evening. Low
 plus 2.
Sunday..Cloudy. Showers beginning near noon. Amount 5 to 10 mm.
 High 6. UV index 4 or moderate.
Sunday night..Periods of rain. Amount 15 to 25 mm. Temperature rising
 to 9 by morning.

Smiths Falls - Lanark - Sharbot Lake.
Tonight..A few clouds. Increasing cloudiness overnight. Wind west
 20 km/h gusting to 40 becoming light this evening. Low plus 2.
Sunday..Cloudy. Showers beginning in the morning. Risk of
 thunderstorms late in the morning and in the afternoon. High plus 5.
 UV index 3 or moderate.
Sunday night..Showers ending late in the evening then cloudy with
 60 percent chance of showers. Risk of thunderstorms early in the
 evening. Temperature rising to 10 by morning.

Port Carling - Port Severn
Town of Parry Sound - Rosseau - Killbear Park
Bayfield Inlet - Dunchurch.
Tonight..A few clouds. Increasing cloudiness late this evening then
 40 percent chance of showers before morning. Wind northwest 20 km/h
 gusting to 40 becoming light this evening. Wind becoming northeast
 20 gusting to 40 overnight. Low plus 1.
Sunday..Cloudy. 40 percent chance of showers early in the morning.
 Showers beginning in the morning. Amount 10 mm. Wind northeast
 20 km/h gusting to 40. High plus 4. UV index 3 or moderate.
Sunday night..Rain at times heavy. Amount 20 to 30 mm. Wind becoming
 east 30 km/h near midnight. Temperature rising to 9 by morning.

Bracebridge - Gravenhurst
Haliburton - Minden - Southern Haliburton County.
Tonight..A few clouds. Increasing cloudiness late this evening. Wind
 northwest 20 km/h gusting to 40 becoming light this evening.
 Low zero.
Sunday..Cloudy. Showers beginning in the morning. Amount 5 to 10 mm.
 Wind becoming east 20 km/h near noon. High plus 3. UV index 3 or
 moderate.
Sunday night..Rain at times heavy. Amount 20 to 30 mm. Wind east
 20 km/h. Temperature rising to 11 by morning.

Huntsville - Baysville
Oxtongue Lake - Fort Irwin - Northern Haliburton County.
Tonight..A few clouds. Increasing cloudiness late this evening. Wind
 northwest 20 km/h gusting to 40 becoming light this evening.
 Low zero.
Sunday..Cloudy. Rain showers beginning near noon. Risk of freezing
 rain in the morning. Rainfall amount 5 to 10 mm. Wind becoming east
 20 km/h near noon. High plus 3. UV index 4 or moderate.
Sunday night..Rain at times heavy. Amount 20 to 30 mm. Wind east
 20 km/h. Temperature rising to 11 by morning.

Algonquin
South River - Burk's Falls.
Tonight..A few clouds. Increasing cloudiness late this evening. Wind
 northwest 20 km/h gusting to 40 becoming light this evening. Low
 minus 1.
Sunday..Cloudy. Rain showers beginning near noon. Risk of freezing
 rain in the morning. Rainfall amount 5 to 10 mm. Wind becoming east
 20 km/h near noon. High plus 3. UV index 4 or moderate.
Sunday night..Rain at times heavy. Amount 20 to 30 mm. Wind east
 20 km/h. Temperature steady near plus 3.

End
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