Hourly Weather Forecast - Grand Chain, IL

5 AM
32°F
0%
7mph
SSW
Foggy
Humidity
100%
Feels like
26°F
Dew Point
32°F
6 AM
33°F
0%
8mph
SSW
Foggy
Humidity
99%
Feels like
26°F
Dew Point
33°F
6:58 AM
7 AM
34°F
0%
9mph
SSW
Mostly Cloudy
Humidity
97%
Feels like
26°F
Dew Point
33°F
8 AM
35°F
0%
10mph
SSW
Mostly Cloudy
Humidity
95%
Feels like
27°F
Dew Point
33°F
9 AM
36°F
0%
11mph
SSW
Partly Cloudy
Humidity
91%
Feels like
28°F
Dew Point
34°F
10 AM
38°F
0%
13mph
SSW
Partly Cloudy
Humidity
85%
Feels like
31°F
Dew Point
35°F
11 AM
41°F
0%
13mph
SSW
Partly Cloudy
Humidity
78%
Feels like
34°F
Dew Point
35°F
12 PM
44°F
0%
14mph
SSW
Partly Cloudy
Humidity
73%
Feels like
37°F
Dew Point
35°F
1 PM
45°F
0%
14mph
SSW
Mostly Sunny
Humidity
70%
Feels like
38°F
Dew Point
36°F
2 PM
46°F
0%
14mph
SSW
Mostly Sunny
Humidity
68%
Feels like
39°F
Dew Point
36°F
3 PM
46°F
0%
14mph
SSW
Mostly Sunny
Humidity
68%
Feels like
39°F
Dew Point
36°F
4 PM
44°F
0%
13mph
SSW
Mostly Sunny
Humidity
70%
Feels like
38°F
Dew Point
35°F
4:38 PM
5 PM
43°F
0%
13mph
SSW
Partly Cloudy
Humidity
74%
Feels like
36°F
Dew Point
35°F
6 PM
41°F
0%
13mph
SSW
Partly Cloudy
Humidity
77%
Feels like
34°F
Dew Point
35°F
7 PM
41°F
0%
13mph
SSW
Partly Cloudy
Humidity
80%
Feels like
33°F
Dew Point
35°F
8 PM
40°F
0%
15mph
SSW
Partly Cloudy
Humidity
82%
Feels like
32°F
Dew Point
35°F
9 PM
40°F
0%
15mph
SSW
Mostly Clear
Humidity
84%
Feels like
32°F
Dew Point
36°F
10 PM
40°F
0%
16mph
SSW
Partly Cloudy
Humidity
84%
Feels like
32°F
Dew Point
36°F
11 PM
41°F
10%
16mph
SW
Partly Cloudy
Humidity
84%
Feels like
33°F
Dew Point
36°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy, Flooding Rain Impacts 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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Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide