Hourly Weather Forecast - Summit Argo, IL

10 AM
33°F
70%
17mph
NNW
70% Chance of Heavy Snow
Humidity
95%
Feels like
22°F
Dew Point
32°F
11 AM
32°F
70%
18mph
NNW
70% Chance of Flurries
Humidity
90%
Feels like
21°F
Dew Point
30°F
12 PM
31°F
20%
19mph
NNW
Cloudy
Humidity
85%
Feels like
19°F
Dew Point
28°F
1 PM
30°F
10%
19mph
NNW
Cloudy
Humidity
82%
Feels like
18°F
Dew Point
26°F
2 PM
30°F
10%
18mph
NNW
Mostly Cloudy
Humidity
80%
Feels like
18°F
Dew Point
24°F
3 PM
29°F
0%
17mph
NNW
Mostly Cloudy
Humidity
79%
Feels like
17°F
Dew Point
23°F
4 PM
28°F
10%
16mph
NNW
Partly Cloudy
Humidity
78%
Feels like
17°F
Dew Point
22°F
4:20 PM
5 PM
28°F
10%
14mph
NW
Mostly Cloudy
Humidity
76%
Feels like
17°F
Dew Point
21°F
6 PM
28°F
10%
13mph
NW
Mostly Cloudy
Humidity
75%
Feels like
17°F
Dew Point
21°F
7 PM
28°F
10%
12mph
NW
Mostly Cloudy
Humidity
76%
Feels like
17°F
Dew Point
21°F
8 PM
27°F
10%
12mph
NW
Mostly Cloudy
Humidity
75%
Feels like
17°F
Dew Point
20°F
9 PM
27°F
10%
12mph
NW
Cloudy
Humidity
75%
Feels like
17°F
Dew Point
20°F
10 PM
27°F
10%
11mph
NW
Mostly Cloudy
Humidity
74%
Feels like
17°F
Dew Point
20°F
11 PM
27°F
10%
10mph
NW
Mostly Cloudy
Humidity
74%
Feels like
17°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

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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Traffic Cameras

Weather Cameras

Outdoor Sports Guide