Hourly Weather Forecast - Glen Carbon, IL

12 AM
14°F
10%
7mph
N
Partly Cloudy
Humidity
73%
Feels like
3°F
Dew Point
7°F
1 AM
13°F
10%
7mph
N
Partly Cloudy
Humidity
74%
Feels like
2°F
Dew Point
6°F
2 AM
12°F
10%
7mph
N
Mostly Clear
Humidity
75%
Feels like
1°F
Dew Point
5°F
3 AM
11°F
10%
7mph
N
Mostly Clear
Humidity
75%
Feels like
0°F
Dew Point
5°F
4 AM
10°F
10%
6mph
N
Mostly Clear
Humidity
75%
Feels like
0°F
Dew Point
4°F
5 AM
10°F
10%
6mph
N
Clear
Humidity
73%
Feels like
0°F
Dew Point
3°F
6 AM
12°F
10%
6mph
N
Clear
Humidity
66%
Feels like
3°F
Dew Point
3°F
7 AM
14°F
10%
5mph
N
Clear
Humidity
69%
Feels like
6°F
Dew Point
6°F
7:10 AM
8 AM
16°F
10%
5mph
N
Sunny
Humidity
67%
Feels like
9°F
Dew Point
7°F
9 AM
18°F
0%
4mph
N
Sunny
Humidity
61%
Feels like
11°F
Dew Point
6°F
10 AM
20°F
0%
4mph
N
Sunny
Humidity
55%
Feels like
13°F
Dew Point
6°F
11 AM
22°F
0%
4mph
N
Sunny
Humidity
53%
Feels like
16°F
Dew Point
7°F
12 PM
24°F
0%
4mph
N
Sunny
Humidity
50%
Feels like
18°F
Dew Point
8°F
1 PM
25°F
0%
4mph
N
Sunny
Humidity
47%
Feels like
20°F
Dew Point
8°F
2 PM
26°F
0%
4mph
NNE
Sunny
Humidity
48%
Feels like
20°F
Dew Point
9°F

Rainfall Forecast for Northwest through Thursday

Persistent, Flooding Rain Impacts the Northwest

A fast-moving series of atmospheric rivers continue to drench the Pacific Northwest today through Thursday.

Snowfall forecast Through Tonight

Snow To Spread Across Appalachians Into Mid-Atlantic

Tuesday's Weather Outlook

Tuesday'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)

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Today's National Outlook

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