Hourly Weather Forecast - O'Fallon, MO

12 AM
61°F
60%
8mph
SW
60% Chance of Rain
Humidity
81%
Feels like
61°F
Dew Point
55°F
1 AM
60°F
50%
7mph
WSW
50% Chance of Rain
Humidity
81%
Feels like
60°F
Dew Point
54°F
2 AM
59°F
50%
7mph
W
50% Chance Rain Showers
Humidity
83%
Feels like
59°F
Dew Point
54°F
3 AM
58°F
50%
7mph
WNW
50% Chance Rain Showers
Humidity
85%
Feels like
58°F
Dew Point
53°F
4 AM
56°F
50%
8mph
WNW
50% Chance Rain Showers
Humidity
87%
Feels like
56°F
Dew Point
52°F
5 AM
53°F
50%
8mph
WNW
50% Chance Rain Showers
Humidity
89%
Feels like
53°F
Dew Point
50°F
6 AM
51°F
50%
8mph
WNW
50% Chance Rain Showers
Humidity
90%
Feels like
51°F
Dew Point
49°F

Snow and Ice Accumulations through Tuesday AM

Wintry Disturbance Bisects U.S. Mid-Latitudes

A wintry disturbance will bring icing and light snow from the central Plains today through the Northeast on Tuesday.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

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