Hourly Weather Forecast - O'Fallon, MO

2 AM
63°F
0%
9mph
SSW
Mostly Clear
Humidity
86%
Feels like
63°F
Dew Point
58°F
3 AM
62°F
0%
9mph
SSW
Mostly Clear
Humidity
88%
Feels like
62°F
Dew Point
58°F
4 AM
62°F
0%
9mph
SSW
Mostly Clear
Humidity
87%
Feels like
62°F
Dew Point
58°F
5 AM
62°F
0%
8mph
SSW
Mostly Clear
Humidity
87%
Feels like
62°F
Dew Point
58°F
6 AM
62°F
0%
8mph
SSW
Mostly Clear
Humidity
88%
Feels like
62°F
Dew Point
58°F
7 AM
63°F
0%
8mph
SSW
Clear
Humidity
86%
Feels like
63°F
Dew Point
58°F
7:22 AM
8 AM
65°F
0%
9mph
SSW
Mostly Sunny
Humidity
85%
Feels like
65°F
Dew Point
60°F
9 AM
67°F
0%
10mph
SSW
Mostly Sunny
Humidity
81%
Feels like
67°F
Dew Point
62°F
10 AM
71°F
0%
11mph
SSW
Mostly Sunny
Humidity
77%
Feels like
71°F
Dew Point
63°F
11 AM
73°F
0%
13mph
SSW
Mostly Sunny
Humidity
69%
Feels like
73°F
Dew Point
62°F
12 PM
76°F
0%
13mph
SSW
Partly Cloudy
Humidity
64%
Feels like
76°F
Dew Point
63°F
1 PM
78°F
0%
13mph
SSW
Mostly Sunny
Humidity
61%
Feels like
78°F
Dew Point
64°F
2 PM
80°F
0%
14mph
SSW
Mostly Sunny
Humidity
57%
Feels like
82°F
Dew Point
64°F
3 PM
81°F
0%
15mph
SSW
Mostly Sunny
Humidity
55%
Feels like
83°F
Dew Point
64°F
4 PM
81°F
0%
15mph
SSW
Mostly Sunny
Humidity
54%
Feels like
82°F
Dew Point
63°F
5 PM
80°F
0%
14mph
SSW
Partly Cloudy
Humidity
55%
Feels like
81°F
Dew Point
62°F
6 PM
78°F
0%
14mph
SSW
Partly Cloudy
Humidity
59%
Feels like
78°F
Dew Point
62°F
7 PM
75°F
10%
13mph
SSW
Partly Cloudy
Humidity
66%
Feels like
75°F
Dew Point
63°F
7:04 PM
8 PM
73°F
10%
14mph
SSW
Partly Cloudy
Humidity
70%
Feels like
73°F
Dew Point
62°F
9 PM
72°F
10%
14mph
SSW
Partly Cloudy
Humidity
73%
Feels like
72°F
Dew Point
63°F
10 PM
71°F
20%
14mph
SSW
Partly Cloudy
Humidity
74%
Feels like
71°F
Dew Point
62°F
11 PM
70°F
30%
14mph
SSW
30% Chance Rain Showers
Humidity
76%
Feels like
70°F
Dew Point
62°F

Today's Severe Weather Outlook

Potent Thunderstorms Pepper Deep South and Southeast U.S.

Dangerous weather will stick around well after sunset across the Deep South and Southeast.

Tuesday's Weather Outlook

Tuesday'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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Today's National Outlook

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