Hourly Weather Forecast - Summit-Argo, IL

12 AM
37°F
10%
11mph
S
Mostly Cloudy
Humidity
76%
Feels like
30°F
Dew Point
30°F
1 AM
37°F
20%
11mph
SSW
Partly Cloudy
Humidity
80%
Feels like
30°F
Dew Point
31°F
2 AM
37°F
20%
11mph
SSW
Partly Cloudy
Humidity
81%
Feels like
30°F
Dew Point
32°F
3 AM
37°F
20%
10mph
SSW
Partly Cloudy
Humidity
85%
Feels like
30°F
Dew Point
33°F
4 AM
37°F
10%
10mph
SSW
Partly Cloudy
Humidity
87%
Feels like
30°F
Dew Point
34°F
5 AM
37°F
10%
10mph
SW
Partly Cloudy
Humidity
90%
Feels like
30°F
Dew Point
34°F
6 AM
37°F
10%
10mph
SW
Partly Cloudy
Humidity
89%
Feels like
30°F
Dew Point
34°F
7 AM
38°F
10%
10mph
SW
Partly Cloudy
Humidity
89%
Feels like
31°F
Dew Point
35°F
7:16 AM
8 AM
39°F
20%
10mph
SW
Partly Cloudy
Humidity
88%
Feels like
32°F
Dew Point
36°F
9 AM
40°F
20%
10mph
SW
Mostly Cloudy
Humidity
87%
Feels like
34°F
Dew Point
37°F
10 AM
41°F
20%
10mph
SW
Mostly Cloudy
Humidity
85%
Feels like
35°F
Dew Point
37°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

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

Wednesday'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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