Hourly Weather Forecast - Collinsville, IL

8 PM
36°F
0%
5mph
SSW
Partly Cloudy
Humidity
62%
Feels like
31°F
Dew Point
24°F
9 PM
36°F
0%
5mph
SSW
Mostly Cloudy
Humidity
65%
Feels like
31°F
Dew Point
25°F
10 PM
36°F
0%
5mph
SW
Mostly Cloudy
Humidity
70%
Feels like
31°F
Dew Point
27°F
11 PM
36°F
0%
5mph
SW
Mostly Cloudy
Humidity
74%
Feels like
31°F
Dew Point
28°F

Snowfall Forecast Through Saturday

Snowfall to Pack Slopes in the Rockies

Hefty snowpack additions are expected into the weekend for the Cascades and northern Rockies.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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

Safety Tips For Icy Surfaces

Image courtesy of PeakPX.

Top 10 Winter Energy Saving Tips

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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Traffic Cameras

Weather Cameras

Outdoor Sports Guide