Hourly Weather Forecast - O'Fallon, IL

11 AM
30°F
0%
9mph
S
Mostly Cloudy
Humidity
62%
Feels like
22°F
Dew Point
19°F
12 PM
32°F
0%
10mph
S
Cloudy
Humidity
58%
Feels like
24°F
Dew Point
19°F
1 PM
34°F
0%
11mph
S
Mostly Cloudy
Humidity
57%
Feels like
26°F
Dew Point
21°F
2 PM
36°F
0%
11mph
S
Mostly Cloudy
Humidity
59%
Feels like
28°F
Dew Point
23°F
3 PM
36°F
0%
11mph
S
Partly Cloudy
Humidity
61%
Feels like
28°F
Dew Point
24°F
4 PM
35°F
0%
10mph
S
Mostly Cloudy
Humidity
64%
Feels like
28°F
Dew Point
24°F
5 PM
35°F
0%
9mph
S
Mostly Cloudy
Humidity
67%
Feels like
28°F
Dew Point
25°F
5:26 PM
6 PM
34°F
0%
7mph
S
Partly Cloudy
Humidity
70%
Feels like
28°F
Dew Point
26°F
7 PM
34°F
0%
7mph
S
Partly Cloudy
Humidity
74%
Feels like
27°F
Dew Point
26°F
8 PM
33°F
0%
7mph
SSW
Partly Cloudy
Humidity
74%
Feels like
27°F
Dew Point
26°F
9 PM
33°F
0%
7mph
SW
Mostly Clear
Humidity
77%
Feels like
27°F
Dew Point
27°F
10 PM
33°F
0%
7mph
WSW
Mostly Clear
Humidity
77%
Feels like
27°F
Dew Point
27°F
11 PM
32°F
0%
6mph
W
Mostly Clear
Humidity
79%
Feels like
26°F
Dew Point
27°F

Today's Weather Outlook

Today's Weather Outlook

Quiet and warm weather continues for the Western U.S., while wetter weather occurs on the opposite end of the nation.

Image courtesy of Pixabay.com

All About Snow Squalls

Weekly Drought Map for February 5, 2026

Scarce Precipitation Leads to Widespread Drought Degradation

(Image provided by Pixabay.com)

Before A Winter Storm: Prep Your Pets!

A person in a pink coat and red mittens holding a snowball. (Image by Dmitriy Gutarev from Pixabay)

Cold Weather and Worsening Health Conditions

Windchill chart

Dangers of Wind Chills

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