Hourly Weather Forecast - Grand Chain, IL

12 AM
38°F
0%
8mph
SSW
Cloudy
Humidity
71%
Feels like
32°F
Dew Point
29°F
1 AM
38°F
0%
7mph
SW
Mostly Cloudy
Humidity
72%
Feels like
32°F
Dew Point
29°F
2 AM
37°F
0%
7mph
SW
Mostly Cloudy
Humidity
73%
Feels like
32°F
Dew Point
30°F
3 AM
37°F
0%
6mph
SW
Cloudy
Humidity
75%
Feels like
32°F
Dew Point
30°F
4 AM
37°F
0%
6mph
SW
Cloudy
Humidity
78%
Feels like
32°F
Dew Point
31°F
5 AM
36°F
0%
5mph
SW
Cloudy
Humidity
83%
Feels like
32°F
Dew Point
31°F
6 AM
36°F
0%
4mph
SW
Cloudy
Humidity
86%
Feels like
33°F
Dew Point
32°F
7 AM
37°F
0%
4mph
SW
Mostly Cloudy
Humidity
87%
Feels like
33°F
Dew Point
33°F
7:03 AM
8 AM
38°F
0%
4mph
SW
Partly Cloudy
Humidity
87%
Feels like
35°F
Dew Point
35°F
9 AM
40°F
0%
5mph
SSW
Partly Cloudy
Humidity
86%
Feels like
36°F
Dew Point
36°F
10 AM
42°F
0%
5mph
SSW
Partly Cloudy
Humidity
82%
Feels like
39°F
Dew Point
37°F
11 AM
45°F
0%
5mph
SSW
Mostly Cloudy
Humidity
76%
Feels like
43°F
Dew Point
38°F
12 PM
48°F
0%
5mph
SSW
Mostly Cloudy
Humidity
72%
Feels like
45°F
Dew Point
39°F
1 PM
49°F
0%
6mph
SSW
Mostly Cloudy
Humidity
71%
Feels like
47°F
Dew Point
40°F
2 PM
50°F
0%
6mph
S
Mostly Cloudy
Humidity
71%
Feels like
48°F
Dew Point
41°F
3 PM
50°F
0%
6mph
S
Mostly Cloudy
Humidity
73%
Feels like
47°F
Dew Point
42°F
4 PM
48°F
0%
5mph
S
Mostly Cloudy
Humidity
78%
Feels like
46°F
Dew Point
42°F
4:40 PM
5 PM
46°F
0%
5mph
SSE
Mostly Cloudy
Humidity
85%
Feels like
44°F
Dew Point
42°F
6 PM
45°F
0%
5mph
SSE
Mostly Cloudy
Humidity
91%
Feels like
42°F
Dew Point
42°F
7 PM
44°F
0%
6mph
SSE
Mostly Cloudy
Humidity
95%
Feels like
41°F
Dew Point
43°F
8 PM
44°F
0%
7mph
SSE
Cloudy
Humidity
97%
Feels like
40°F
Dew Point
43°F
9 PM
44°F
0%
8mph
S
Foggy
Humidity
99%
Feels like
40°F
Dew Point
44°F
10 PM
45°F
10%
8mph
S
Foggy
Humidity
99%
Feels like
41°F
Dew Point
45°F
11 PM
46°F
30%
9mph
S
30% Chance of Light Rain
Humidity
99%
Feels like
42°F
Dew Point
46°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Monday's Weather Outlook

Monday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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