Hourly Weather Forecast - Thornhill, Ontario, CA

12 AM
16°F
20%
4mph
WSW
Mostly Cloudy
Humidity
70%
Feels like
9°F
Dew Point
8°F
1 AM
16°F
20%
5mph
WSW
Partly Cloudy
Humidity
70%
Feels like
8°F
Dew Point
8°F
2 AM
15°F
20%
5mph
WSW
Partly Cloudy
Humidity
67%
Feels like
7°F
Dew Point
6°F
3 AM
15°F
20%
6mph
WSW
Partly Cloudy
Humidity
65%
Feels like
6°F
Dew Point
5°F

Tuesday's Weather Outlook

Today's Weather Outlook

Rain and snow showers will sweep through the Great Lakes as the Western U.S. begins a pattern of quiet and dry weather.

(Image provided by NOAA)

Polar Vortex: What Is It?

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

(Image provided by Pixabay.com)

Before a High Wind Event

Windchill chart

Dangers of Wind Chills

A snow-covered trail in Sparkill, N.Y. (H. Martinez, WeatherBug user)

Top Winter Hiking Destinations

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