Hourly Weather Forecast - Summit, IL

10 AM
42°F
70%
22mph
WNW
70% Chance of Light Rain
Humidity
64%
Feels like
32°F
Dew Point
30°F
11 AM
40°F
0%
22mph
NW
Windy
Humidity
62%
Feels like
30°F
Dew Point
28°F
12 PM
39°F
0%
21mph
NW
Windy
Humidity
63%
Feels like
28°F
Dew Point
27°F
1 PM
38°F
0%
21mph
NW
Windy
Humidity
63%
Feels like
28°F
Dew Point
27°F
2 PM
38°F
10%
20mph
NW
Mostly Cloudy
Humidity
64%
Feels like
27°F
Dew Point
27°F
3 PM
37°F
10%
18mph
NW
Mostly Cloudy
Humidity
65%
Feels like
27°F
Dew Point
26°F
4 PM
36°F
10%
16mph
NW
Mostly Cloudy
Humidity
67%
Feels like
26°F
Dew Point
26°F
4:38 PM
5 PM
35°F
10%
13mph
NW
Mostly Cloudy
Humidity
67%
Feels like
26°F
Dew Point
25°F
6 PM
35°F
10%
11mph
NW
Mostly Cloudy
Humidity
68%
Feels like
26°F
Dew Point
25°F
7 PM
34°F
10%
10mph
NW
Mostly Cloudy
Humidity
69%
Feels like
26°F
Dew Point
25°F
8 PM
33°F
10%
9mph
NW
Mostly Cloudy
Humidity
71%
Feels like
25°F
Dew Point
25°F
9 PM
32°F
10%
9mph
NW
Mostly Cloudy
Humidity
72%
Feels like
24°F
Dew Point
24°F
10 PM
31°F
10%
8mph
NW
Mostly Cloudy
Humidity
74%
Feels like
24°F
Dew Point
24°F
11 PM
30°F
10%
8mph
NW
Mostly Cloudy
Humidity
76%
Feels like
23°F
Dew Point
24°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

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide