Hourly Weather Forecast - Illiopolis, IL

8 PM
34°F
0%
12mph
SSE
Mostly Clear
Humidity
90%
Feels like
25°F
Dew Point
31°F
9 PM
35°F
0%
13mph
SSE
Partly Cloudy
Humidity
90%
Feels like
26°F
Dew Point
33°F
10 PM
37°F
0%
14mph
SSE
Partly Cloudy
Humidity
91%
Feels like
28°F
Dew Point
34°F
11 PM
38°F
0%
15mph
S
Partly Cloudy
Humidity
91%
Feels like
30°F
Dew Point
36°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Thursday's Weather Outlook

Thursday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

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

Cold Air Damming - Cause And Effects

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