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Today Hourly 7 days 30 days February
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February 2026 Weather | O'Fallon, Missouri

Sun 2/1
Rainy Weather
Day 39°
Night 28°
74
Mon 2/2
Snowy Weather
Day 34°
Night 16°
75
Tue 2/3
Sunny Weather
Day 32°
Night 12°
5
Wed 2/4
Cloudy Weather
Day 30°
Night 16°
25
Thu 2/5
Cloudy Weather
Day 43°
Night 30°
25
Fri 2/6
Icy Road Conditions
Day 45°
Night 28°
66
Sat 2/7
Cloudy Weather
Day 43°
Night 21°
25
Sun 2/8
Cloudy Weather
Day 36°
Night 27°
25
Mon 2/9
Sunny Weather
Day 48°
Night 32°
20
Tue 2/10
Partly Sunny with Showers
Day 52°
Night 30°
65
Wed 2/11
Sunny Weather
Day 50°
Night 30°
5
Thu 2/12
Cloudy Weather
Day 52°
Night 32°
25
Fri 2/13
Rainy Weather
Day 52°
Night 32°
25
Sat 2/14
Rainy Weather
Day 45°
Night 30°
20
Sun 2/15
Snowy Weather
Day 41°
Night 27°
20
Mon 2/16
Cloudy Weather
Day 41°
Night 25°
20
Tue 2/17
Cloudy Weather
Day 50°
Night 32°
20
Wed 2/18
Cloudy Weather
Day 52°
Night 32°
25
Thu 2/19
Cloudy Weather
Day 54°
Night 34°
25
Fri 2/20
Cloudy Weather
Day 54°
Night 36°
70
Sat 2/21
Cloudy Weather
Day 55°
Night 36°
3
Sun 2/22
Rainy Weather
Day 55°
Night 39°
Mon 2/23
Icy Road Conditions
Day 45°
Night 21°
Tue 2/24
Icy Road Conditions
Day 43°
Night 21°
Wed 2/25
Snowy Weather
Day 43°
Night 19°
Thu 2/26
Snowy Weather
Day 43°
Night 19°
Fri 2/27
Cloudy Weather
Day 39°
Night 21°
Sat 2/28
Snowy Weather
Day 43°
Night 28°