Hourly Weather Forecast - Mascoutah, IL

9 AM
46°F
0%
22mph
WNW
Windy
Humidity
56%
Feels like
38°F
Dew Point
31°F
10 AM
44°F
70%
23mph
WNW
70% Chance of Light Rain
Humidity
54%
Feels like
35°F
Dew Point
28°F
11 AM
42°F
70%
24mph
NW
70% Chance of Light Rain
Humidity
54%
Feels like
32°F
Dew Point
27°F
12 PM
40°F
0%
23mph
NW
Windy
Humidity
54%
Feels like
30°F
Dew Point
25°F
1 PM
40°F
0%
22mph
NW
Windy
Humidity
54%
Feels like
30°F
Dew Point
24°F
2 PM
39°F
0%
20mph
NW
Windy
Humidity
54%
Feels like
30°F
Dew Point
24°F
3 PM
39°F
0%
18mph
NW
Mostly Cloudy
Humidity
55%
Feels like
29°F
Dew Point
24°F
4 PM
38°F
0%
16mph
NW
Mostly Cloudy
Humidity
58%
Feels like
29°F
Dew Point
24°F
4:38 PM
5 PM
37°F
0%
14mph
NW
Mostly Cloudy
Humidity
60%
Feels like
28°F
Dew Point
24°F
6 PM
36°F
0%
12mph
NW
Mostly Cloudy
Humidity
63%
Feels like
28°F
Dew Point
24°F
7 PM
35°F
0%
11mph
NW
Mostly Cloudy
Humidity
66%
Feels like
26°F
Dew Point
24°F
8 PM
33°F
0%
10mph
NW
Mostly Cloudy
Humidity
69%
Feels like
25°F
Dew Point
24°F
9 PM
32°F
0%
10mph
NW
Mostly Cloudy
Humidity
73%
Feels like
24°F
Dew Point
24°F
10 PM
31°F
0%
9mph
NW
Mostly Cloudy
Humidity
73%
Feels like
23°F
Dew Point
24°F
11 PM
31°F
0%
9mph
NW
Mostly Cloudy
Humidity
74%
Feels like
23°F
Dew Point
24°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Today's Weather Outlook

Today's 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

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide