Hourly Weather Forecast - Summit, IL

12 AM
42°F
20%
5mph
WNW
Partly Cloudy
Humidity
87%
Feels like
39°F
Dew Point
39°F
1 AM
41°F
10%
5mph
NW
Partly Cloudy
Humidity
88%
Feels like
38°F
Dew Point
38°F
2 AM
40°F
10%
5mph
NW
Mostly Clear
Humidity
89%
Feels like
36°F
Dew Point
37°F
3 AM
38°F
10%
6mph
NNW
Mostly Clear
Humidity
89%
Feels like
34°F
Dew Point
35°F
4 AM
37°F
10%
6mph
NNW
Mostly Clear
Humidity
89%
Feels like
32°F
Dew Point
34°F
5 AM
36°F
10%
6mph
N
Mostly Clear
Humidity
90%
Feels like
31°F
Dew Point
33°F
6 AM
35°F
10%
6mph
N
Partly Cloudy
Humidity
90%
Feels like
29°F
Dew Point
32°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's Weather Outlook

Today'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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