Hourly Weather Forecast - Great Lakes, IL

12 AM
36°F
10%
5mph
S
Mostly Cloudy
Humidity
87%
Feels like
32°F
Dew Point
33°F
1 AM
37°F
10%
5mph
S
Mostly Cloudy
Humidity
87%
Feels like
33°F
Dew Point
34°F
2 AM
38°F
10%
5mph
S
Mostly Cloudy
Humidity
87%
Feels like
34°F
Dew Point
35°F
3 AM
39°F
30%
5mph
S
30% Chance of Light Rain
Humidity
87%
Feels like
36°F
Dew Point
36°F
4 AM
40°F
30%
5mph
S
30% Chance of Light Rain
Humidity
88%
Feels like
37°F
Dew Point
37°F
5 AM
40°F
40%
5mph
S
40% Chance of Light Rain
Humidity
95%
Feels like
36°F
Dew Point
39°F
6 AM
40°F
40%
6mph
S
40% Chance of Light Rain
Humidity
99%
Feels like
36°F
Dew Point
40°F
7 AM
40°F
30%
6mph
S
30% Chance of Light Rain
Humidity
100%
Feels like
36°F
Dew Point
40°F
7:15 AM
8 AM
42°F
30%
6mph
S
30% Chance of Light Rain
Humidity
100%
Feels like
38°F
Dew Point
42°F
9 AM
43°F
50%
6mph
S
50% Chance of Light Rain
Humidity
100%
Feels like
39°F
Dew Point
43°F
10 AM
43°F
50%
6mph
SSW
50% Chance of Light Rain
Humidity
100%
Feels like
39°F
Dew Point
43°F
11 AM
43°F
60%
6mph
SW
60% Chance of Rain
Humidity
100%
Feels like
39°F
Dew Point
43°F
12 PM
43°F
60%
6mph
SW
60% Chance of Rain
Humidity
100%
Feels like
39°F
Dew Point
43°F
1 PM
42°F
50%
6mph
SW
50% Chance of Rain
Humidity
99%
Feels like
38°F
Dew Point
42°F
2 PM
41°F
40%
5mph
WSW
40% Chance of Light Rain
Humidity
92%
Feels like
38°F
Dew Point
39°F
3 PM
39°F
30%
5mph
WSW
30% Chance of Light Rain
Humidity
87%
Feels like
36°F
Dew Point
36°F
4 PM
38°F
30%
5mph
WSW
30% Chance of Light Rain
Humidity
83%
Feels like
34°F
Dew Point
33°F
4:20 PM
5 PM
37°F
10%
5mph
WSW
Partly Cloudy
Humidity
80%
Feels like
33°F
Dew Point
31°F
6 PM
35°F
30%
5mph
W
30% Chance of Snow
Humidity
79%
Feels like
30°F
Dew Point
29°F
7 PM
32°F
30%
6mph
W
30% Chance of Snow
Humidity
74%
Feels like
26°F
Dew Point
25°F
8 PM
29°F
10%
6mph
W
Partly Cloudy
Humidity
69%
Feels like
23°F
Dew Point
20°F
9 PM
27°F
10%
7mph
W
Partly Cloudy
Humidity
69%
Feels like
20°F
Dew Point
18°F
10 PM
25°F
30%
7mph
W
30% Chance of Snow
Humidity
64%
Feels like
17°F
Dew Point
15°F
11 PM
22°F
10%
8mph
W
Partly Cloudy
Humidity
63%
Feels like
13°F
Dew Point
11°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Thursday's Weather Outlook

Thursday'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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