EXTREME COLD WARNING

SPECIAL WEATHER STATEMENT

Observed at: Toronto Buttonville Municipal Airport
Date: Saturday January 19, 2019 at 20:00 EST
Temp.: -16.1 °C
Wind Chill: -26
Wind: NNE 22 km/h
Humidity: 77 %
Dew point: -19.2 °C
Pressure: 101.9 kPa
Tendency:
Sunrise: 07:46
Sunset: 17:09
Normals:
Max -3°C Min -12°C
Yesterday
  Max: °C
  Min: °C
  Rainfall: mm

 Extended Forecast - Environment Canada
  Sunday
Snow
Snow
Max: -16°C
Monday
A mix of sun and cloud
A mix of sun and cloud
Max: -10°C
Tuesday
Chance of flurries (30%)
Chance of flurries
Max: -6°C
Wednesday
Flurries or rain showers
Flurries or rain showers
Max: 2°C
Thursday
Cloudy
Cloudy
Max: -3°C
Friday
Chance of flurries (60%)
Chance of flurries
Max: -7°C
Saturday night
Snow
Snow
Min: -20°C
Sunday night
A few clouds
A few clouds
Min: -25°C
Monday night
Clear
Clear
Min: -17°C
Tuesday night
Periods of snow
Periods of snow
Min: -6°C
Wednesday night
Cloudy
Cloudy
Min: -6°C
Thursday night
Chance of flurries (40%)
Chance of flurries
Min: -10°C

Forecast

Markham, ON (Issued: Saturday January 19, 2019 at 16:27 EST)

Tonight
Snow. Amount 5 to 10 cm. Wind north 30 km/h gusting to 50. Low minus 20. Wind chill minus 24 in the evening and minus 33 overnight. Risk of frostbite.
Sunday
Snow ending in the morning then clearing. Wind north 30 km/h gusting to 60. High minus 16. Wind chill minus 33 in the morning and minus 27 in the afternoon. Risk of frostbite. UV index 2 or low.
Sunday night
A few clouds. Wind northwest 30 km/h gusting to 50. Low minus 25. Wind chill minus 33 in the evening and minus 39 overnight. Frostbite in minutes.
Monday
Sunny. High minus 10.
Monday night
Clear. Low minus 17.
Tuesday
Cloudy with 30 percent chance of flurries. High minus 6.
Tuesday night
Periods of snow. Low minus 6.
Wednesday
Flurries or rain showers. High plus 2.
Wednesday night
Cloudy. Low minus 6.
Thursday
Cloudy. High minus 3.
Thursday night
Cloudy with 40 percent chance of flurries. Low minus 10.
Friday
Cloudy with 60 percent chance of flurries. High minus 7.
Averages and extremes
Highest temperature(1987-2015)8.8 °C1996
Lowest temperature(1987-2015)-22.9 °C1994
Average highn/a 
Average lown/a 
Averagen/a 
Greatest rainfall(1987-2015)15.4 mm1996
Greatest snowfall(1987-2015)9.8 cm1987
Greatest precipitation(1987-2015)18.7 mm1996
Most snow on the ground(1987-2015)41.0 cm2009
Monthly frequency of precipitation54.0 % 

24 Hour Forecast - Markham, ON

Date/Time
(EST)
Temp.
(°C)

Weather Conditions

LOP †
Wind
(km/h)
Wind
Chill
19 January 2019
21:00 -17 Snow (100%)  Snow High NE 20 gust 40 -26
22:00 -17 Snow (100%)  Snow High NE 20 gust 40 -27
23:00 -18 Snow (100%)  Snow High NE 20 gust 40 -28
20 January 2019
00:00 -18 Snow (100%)  Snow High NE 20 gust 40 -28
01:00 -19 Snow (100%)  Snow High N 30 gust 50 -31
02:00 -19 Snow (100%)  Snow High N 30 gust 50 -32
03:00 -20 Snow (100%)  Snow High N 30 gust 50 -32
04:00 -20 Snow (100%)  Snow High N 30 gust 50 -33
05:00 -20 Snow (100%)  Snow High N 30 gust 50 -33
06:00 -20 Snow (80%)  Snow High N 30 gust 50 -33
07:00 -20 Snow (80%)  Snow High N 30 gust 50 -33
08:00 -19 Snow (80%)  Snow High N 30 gust 50 -31
09:00 -18 Cloudy (20%)  Cloudy Low N 30 gust 60 -30
10:00 -17 Mainly cloudy (20%)  Mainly cloudy Low N 30 gust 60 -29
11:00 -17 A mix of sun and cloud (20%)  A mix of sun and cloud Low N 30 gust 60 -28
12:00 -16 Mainly sunny (20%)  Mainly sunny Low N 30 gust 60 -28
13:00 -16 Mainly sunny (20%)  Mainly sunny Low N 30 gust 60 -27
14:00 -17 Mainly sunny (20%)  Mainly sunny Low N 30 gust 60 -28
15:00 -17 Mainly sunny (20%)  Mainly sunny Low N 30 gust 60 -29
16:00 -18 Mainly sunny (20%)  Mainly sunny Low N 30 gust 60 -30
17:00 -19 A few clouds (20%)  A few clouds Low N 30 gust 60 -31
18:00 -20 A few clouds (0%)  A few clouds Nil N 30 gust 50 -33
19:00 -21 A few clouds (20%)  A few clouds Low N 30 gust 50 -34
20:00 -22 A few clouds (20%)  A few clouds Low N 30 gust 50 -35
 
† Likelihood of Precipitation (LOP) as described in the public forecast as a chance of measurable precipitation for a period of time.
  Nil: 0%
  Low: 40% or below
  Medium: 60% or 70%
  High: Above 70%

Environment Canada