Hourly Weather Forecast - Grand Chain, IL

12 AM
42°F
10%
5mph
NW
Hazy
Humidity
92%
Feels like
39°F
Dew Point
40°F
1 AM
41°F
10%
6mph
NNW
Hazy
Humidity
93%
Feels like
37°F
Dew Point
39°F
2 AM
40°F
10%
6mph
NNW
Hazy
Humidity
93%
Feels like
36°F
Dew Point
38°F
3 AM
39°F
10%
6mph
N
Partly Cloudy
Humidity
93%
Feels like
35°F
Dew Point
37°F
4 AM
38°F
10%
6mph
N
Partly Cloudy
Humidity
92%
Feels like
34°F
Dew Point
36°F
5 AM
37°F
10%
5mph
NNE
Partly Cloudy
Humidity
91%
Feels like
33°F
Dew Point
35°F
6 AM
37°F
10%
5mph
NNE
Partly Cloudy
Humidity
89%
Feels like
33°F
Dew Point
34°F
7 AM
38°F
10%
6mph
NNE
Partly Cloudy
Humidity
86%
Feels like
33°F
Dew Point
34°F
7:06 AM
8 AM
39°F
10%
6mph
NNE
Mostly Sunny
Humidity
83%
Feels like
35°F
Dew Point
35°F
9 AM
41°F
10%
6mph
NNE
Sunny
Humidity
78%
Feels like
36°F
Dew Point
35°F
10 AM
43°F
10%
7mph
NNE
Sunny
Humidity
72%
Feels like
39°F
Dew Point
35°F
11 AM
46°F
10%
7mph
NNE
Sunny
Humidity
65%
Feels like
42°F
Dew Point
35°F
12 PM
48°F
10%
7mph
NNE
Sunny
Humidity
60%
Feels like
45°F
Dew Point
35°F
1 PM
49°F
20%
7mph
NNE
Sunny
Humidity
57%
Feels like
46°F
Dew Point
35°F
2 PM
50°F
20%
8mph
NE
Sunny
Humidity
56%
Feels like
46°F
Dew Point
35°F
3 PM
49°F
20%
8mph
NE
Sunny
Humidity
57%
Feels like
46°F
Dew Point
35°F
4 PM
48°F
20%
7mph
NE
Mostly Sunny
Humidity
61%
Feels like
44°F
Dew Point
35°F
4:42 PM
5 PM
45°F
20%
6mph
NE
Mostly Clear
Humidity
66%
Feels like
42°F
Dew Point
35°F
6 PM
43°F
20%
5mph
NE
Partly Cloudy
Humidity
71%
Feels like
40°F
Dew Point
34°F
7 PM
41°F
30%
5mph
NE
30% Chance Rain Showers
Humidity
75%
Feels like
38°F
Dew Point
34°F
8 PM
40°F
30%
5mph
NE
30% Chance Rain Showers
Humidity
77%
Feels like
37°F
Dew Point
34°F
9 PM
40°F
30%
5mph
NE
30% Chance Rain Showers
Humidity
79%
Feels like
36°F
Dew Point
34°F
10 PM
39°F
20%
5mph
NE
Mostly Clear
Humidity
80%
Feels like
35°F
Dew Point
33°F
11 PM
38°F
20%
5mph
NE
Mostly Clear
Humidity
80%
Feels like
35°F
Dew Point
33°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Wednesday'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 person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

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

Cold Air Damming - Cause And Effects

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