Hourly Weather Forecast - O'Fallon, IL

12 AM
42°F
0%
6mph
NNE
Mostly Clear
Humidity
54%
Feels like
38°F
Dew Point
26°F
1 AM
40°F
0%
6mph
NE
Mostly Clear
Humidity
58%
Feels like
36°F
Dew Point
27°F
2 AM
39°F
0%
6mph
NE
Mostly Clear
Humidity
60%
Feels like
35°F
Dew Point
27°F
3 AM
38°F
0%
6mph
NE
Mostly Clear
Humidity
62%
Feels like
34°F
Dew Point
27°F
4 AM
38°F
0%
6mph
ENE
Mostly Clear
Humidity
63%
Feels like
33°F
Dew Point
26°F
5 AM
37°F
0%
6mph
ENE
Mostly Clear
Humidity
63%
Feels like
32°F
Dew Point
26°F
6 AM
37°F
0%
6mph
ENE
Mostly Clear
Humidity
65%
Feels like
31°F
Dew Point
26°F
7 AM
38°F
0%
7mph
ENE
Partly Cloudy
Humidity
62%
Feels like
32°F
Dew Point
26°F
7:12 AM
8 AM
40°F
0%
8mph
E
Partly Cloudy
Humidity
63%
Feels like
35°F
Dew Point
29°F
9 AM
44°F
0%
9mph
E
Partly Cloudy
Humidity
55%
Feels like
39°F
Dew Point
29°F
10 AM
48°F
0%
10mph
E
Partly Cloudy
Humidity
49%
Feels like
44°F
Dew Point
30°F
11 AM
52°F
0%
11mph
E
Partly Cloudy
Humidity
43%
Feels like
52°F
Dew Point
30°F
12 PM
56°F
0%
11mph
ESE
Partly Cloudy
Humidity
39%
Feels like
56°F
Dew Point
31°F
1 PM
59°F
0%
11mph
ESE
Partly Cloudy
Humidity
35%
Feels like
59°F
Dew Point
32°F
2 PM
61°F
0%
12mph
ESE
Partly Cloudy
Humidity
33%
Feels like
61°F
Dew Point
32°F
3 PM
62°F
0%
12mph
SE
Mostly Cloudy
Humidity
35%
Feels like
62°F
Dew Point
34°F
4 PM
62°F
0%
12mph
SE
Cloudy
Humidity
39%
Feels like
62°F
Dew Point
37°F
5 PM
61°F
0%
11mph
SE
Cloudy
Humidity
44%
Feels like
61°F
Dew Point
39°F
6 PM
58°F
0%
11mph
SE
Cloudy
Humidity
52%
Feels like
58°F
Dew Point
41°F
7 PM
56°F
0%
10mph
ESE
Cloudy
Humidity
58%
Feels like
56°F
Dew Point
42°F
7:05 PM
8 PM
55°F
10%
9mph
SE
Cloudy
Humidity
65%
Feels like
55°F
Dew Point
43°F
9 PM
54°F
10%
9mph
SE
Cloudy
Humidity
68%
Feels like
54°F
Dew Point
43°F
10 PM
53°F
10%
9mph
SE
Cloudy
Humidity
70%
Feels like
53°F
Dew Point
43°F
11 PM
52°F
10%
9mph
SE
Mostly Cloudy
Humidity
73%
Feels like
52°F
Dew Point
43°F

Today'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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