Hourly Weather Forecast - O'Fallon, IL

1 AM
36°F
0%
10mph
NNW
Mostly Clear
Humidity
71%
Feels like
29°F
Dew Point
28°F
2 AM
35°F
0%
9mph
NNW
Mostly Clear
Humidity
73%
Feels like
28°F
Dew Point
27°F
3 AM
34°F
0%
8mph
NW
Clear
Humidity
74%
Feels like
27°F
Dew Point
26°F
4 AM
32°F
0%
7mph
NW
Clear
Humidity
77%
Feels like
26°F
Dew Point
26°F
5 AM
31°F
0%
6mph
NW
Clear
Humidity
80%
Feels like
26°F
Dew Point
26°F
6 AM
31°F
0%
4mph
NW
Clear
Humidity
82%
Feels like
27°F
Dew Point
26°F
7 AM
33°F
0%
4mph
WNW
Clear
Humidity
82%
Feels like
29°F
Dew Point
28°F
7:15 AM
8 AM
36°F
0%
4mph
WNW
Sunny
Humidity
79%
Feels like
33°F
Dew Point
30°F
9 AM
40°F
0%
4mph
W
Sunny
Humidity
72%
Feels like
38°F
Dew Point
32°F
10 AM
45°F
0%
5mph
W
Sunny
Humidity
60%
Feels like
42°F
Dew Point
32°F
11 AM
48°F
0%
6mph
W
Sunny
Humidity
51%
Feels like
45°F
Dew Point
31°F
12 PM
51°F
0%
7mph
W
Mostly Sunny
Humidity
44%
Feels like
51°F
Dew Point
29°F
1 PM
52°F
0%
7mph
W
Mostly Sunny
Humidity
40%
Feels like
52°F
Dew Point
29°F
2 PM
53°F
0%
7mph
WSW
Sunny
Humidity
39%
Feels like
53°F
Dew Point
29°F
3 PM
53°F
0%
8mph
SW
Sunny
Humidity
39%
Feels like
53°F
Dew Point
29°F
4 PM
52°F
0%
8mph
SW
Sunny
Humidity
41%
Feels like
52°F
Dew Point
29°F
5 PM
51°F
0%
9mph
SSW
Sunny
Humidity
42%
Feels like
51°F
Dew Point
29°F
6 PM
49°F
0%
10mph
S
Sunny
Humidity
46%
Feels like
45°F
Dew Point
29°F
7 PM
47°F
0%
10mph
S
Sunny
Humidity
51%
Feels like
42°F
Dew Point
30°F
7:03 PM
8 PM
46°F
0%
12mph
S
Clear
Humidity
54%
Feels like
40°F
Dew Point
30°F
9 PM
45°F
0%
14mph
S
Clear
Humidity
57%
Feels like
38°F
Dew Point
30°F
10 PM
44°F
0%
15mph
S
Clear
Humidity
56%
Feels like
37°F
Dew Point
30°F
11 PM
44°F
0%
16mph
S
Clear
Humidity
54%
Feels like
37°F
Dew Point
28°F

Tonight's Severe Weather Outlook

Severe Storms Continue To Wreak Havoc on East, Gulf Coasts

Multiple rounds of severe storms will form today from the Gulf Coast to the Mid-Atlantic.

Thursday's Weather Outlook

Thursday's Weather Outlook

Weekly Drought Map for March 5, 2026

Drought Worsens Nationwide Despite Multiple Disturbances

A tornado on the ground in Hildreth, Neb., on June 14, 2014 (NOAA Photo Library/Ken Engquist).

Tornadoes and Road Safety -- Do's and Don't's

A pothole big enough to hold a traffic cone and garbage. (David Shankbone, Wikimedia Common)

Potholes: A Springtime Driving Menace

This John Deere riding mower continues to hum along. (Wikimedia Commons)

Spring Mower and Power Tool Seasonal Checklist

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