Hourly Weather Forecast - River Valley, Ontario, CA

12 AM
-3°F
30%
7mph
N
30% Chance Snow Showers
Humidity
86%
Feels like
-16°F
Dew Point
-6°F
1 AM
-3°F
30%
7mph
N
30% Chance Snow Showers
Humidity
86%
Feels like
-16°F
Dew Point
-6°F
2 AM
-3°F
30%
7mph
N
30% Chance Snow Showers
Humidity
86%
Feels like
-16°F
Dew Point
-6°F
3 AM
-3°F
30%
6mph
N
30% Chance Snow Showers
Humidity
86%
Feels like
-16°F
Dew Point
-6°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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide