Hourly Weather Forecast - Summit Argo, IL

11 AM
32°F
70%
19mph
NNW
70% Chance of Heavy Snow
Humidity
91%
Feels like
20°F
Dew Point
29°F
12 PM
31°F
20%
19mph
NNW
Mostly Cloudy
Humidity
87%
Feels like
19°F
Dew Point
27°F
1 PM
30°F
10%
19mph
NNW
Cloudy
Humidity
83%
Feels like
18°F
Dew Point
26°F
2 PM
29°F
10%
18mph
NNW
Mostly Cloudy
Humidity
81%
Feels like
17°F
Dew Point
24°F
3 PM
29°F
0%
17mph
NNW
Mostly Cloudy
Humidity
79%
Feels like
16°F
Dew Point
23°F
4 PM
28°F
0%
16mph
NW
Partly Cloudy
Humidity
79%
Feels like
16°F
Dew Point
22°F
4:20 PM
5 PM
28°F
0%
14mph
NW
Mostly Cloudy
Humidity
77%
Feels like
16°F
Dew Point
21°F
6 PM
27°F
0%
13mph
NW
Mostly Cloudy
Humidity
76%
Feels like
16°F
Dew Point
21°F
7 PM
27°F
0%
12mph
NW
Cloudy
Humidity
76%
Feels like
16°F
Dew Point
20°F
8 PM
27°F
0%
12mph
NW
Mostly Cloudy
Humidity
76%
Feels like
16°F
Dew Point
20°F
9 PM
27°F
0%
12mph
NW
Cloudy
Humidity
75%
Feels like
16°F
Dew Point
20°F
10 PM
26°F
0%
11mph
NW
Mostly Cloudy
Humidity
75%
Feels like
16°F
Dew Point
20°F
11 PM
26°F
0%
10mph
NW
Mostly Cloudy
Humidity
76%
Feels like
16°F
Dew Point
20°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

Thursday's Weather Outlook

Thursday'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