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Colour-coded Weather Alerts

Bass Lake Provincial Park, ON

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YELLOW WARNING - SNOWFALL

Impact Level: Moderate

Forecast Confidence: High


Significant snowfall beginning tonight. What: Snowfall amounts of 10 to 20 cm. Reduced visibility at times in heavy snow and local blowing snow. When: Beginning this evening and lasting through Thursday afternoon. Snow tapering off Thursday evening. Additional information: A developing low pressure system will bring significant snowfall to much of southern Ontario. A sharp temperature drop leading to cold wind chills by Thursday morning, during ongoing snowfall, will add to the adverse weather conditions. There may be a significant impact on rush hour traffic. Prepare for quickly changing and deteriorating travel conditions. Allow extra time for travel. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm. For more information about the alerting program, please visit: Colour-coded Weather Alerts.

In effect for:

  • Orillia - Lagoon City - Washago

Current ConditionsObserved at: Lake Simcoe Regional Airport

-5°C

Wind:
N 29 km/h
More details
Temperature:
-5.4°C
Pressure:
100.1 kPa
Dew point:
-7.5°C
Humidity:
85%
Date:
Observed at:
Lake Simcoe Regional Airport

ForecastForecast issued:

YELLOW WARNING - SNOWFALL

Impact Level: Moderate

Forecast Confidence: High


Significant snowfall beginning tonight. What: Snowfall amounts of 10 to 20 cm. Reduced visibility at times in heavy snow and local blowing snow. When: Beginning this evening and lasting through Thursday afternoon. Snow tapering off Thursday evening. Additional information: A developing low pressure system will bring significant snowfall to much of southern Ontario. A sharp temperature drop leading to cold wind chills by Thursday morning, during ongoing snowfall, will add to the adverse weather conditions. There may be a significant impact on rush hour traffic. Prepare for quickly changing and deteriorating travel conditions. Allow extra time for travel. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm. For more information about the alerting program, please visit: Colour-coded Weather Alerts.

In effect for:

  • Orillia - Lagoon City - Washago

Detailed ForecastForecast issued:

Flurries
Thu, 15 Jan
-12°C
Flurries ending in the afternoon then mainly cloudy with 40 percent chance of flurries. Amount 5 to 10 cm. Wind northwest 30 km/h. Temperature steady near minus 12. Wind chill near minus 22.
Night: Mainly cloudy. 40 percent chance of flurries in the evening. Wind northwest 30 km/h becoming light after midnight. Low minus 18. Wind chill minus 25 in the evening.
Periods of snow
Fri, 16 Jan
-5°C
Periods of snow. High minus 5.
Night: Cloudy with 60 percent chance of flurries. Low minus 6.
Chance of flurries
Sat, 17 Jan
-4°C
A mix of sun and cloud with 60 percent chance of flurries. High minus 4.
Night: Cloudy with 60 percent chance of flurries. Low minus 12.
Chance of flurries
Sun, 18 Jan
-7°C
Cloudy with 60 percent chance of flurries. High minus 7.
Night: Cloudy with 40 percent chance of flurries. Low minus 11.
Chance of flurries
Mon, 19 Jan
-8°C
Cloudy with 60 percent chance of flurries. High minus 8.
Night: Cloudy with 40 percent chance of flurries. Low minus 18.
Chance of flurries
Tue, 20 Jan
-12°C
Cloudy with 40 percent chance of flurries. High minus 12.
Normals:
Max-4°C.Min-13°C.
Sunrise:
7:52 EST
Sunset:
17:02 EST

Historical Weather Data

The Historical Climate Data website provides a Historical data search and download for past Canadian hourly, daily and monthly weather data. It also provides Almanac Averages and Extremes temperature and precipitation values for a particular station over its entire period of record.

Date modified: