Hourly Weather Forecast - Grant Park, IL

12 AM
18°F
10%
5mph
SSW
Mostly Cloudy
Humidity
84%
Feels like
10°F
Dew Point
14°F
1 AM
18°F
10%
5mph
SSW
Mostly Cloudy
Humidity
84%
Feels like
11°F
Dew Point
14°F
2 AM
18°F
10%
5mph
SSW
Mostly Cloudy
Humidity
84%
Feels like
11°F
Dew Point
14°F
3 AM
18°F
10%
5mph
SSW
Cloudy
Humidity
85%
Feels like
11°F
Dew Point
14°F
4 AM
18°F
10%
5mph
SSW
Cloudy
Humidity
86%
Feels like
10°F
Dew Point
15°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