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Current Weather Conditions for O Fallon, IL

Sunny. High near 38, with temperatures falling to around 34 in the afternoon. West wind 5 to 14 mph, with gusts as high as 25 mph.
26°F

Conditions

Wind: 13 mph W
Humidity: 57%
Probability of Precipitation: 0%

Hourly Forcast (next 12 hours)

3 PM 4 PM 5 PM 6 PM 7 PM 8 PM 9 PM 10 PM 11 PM 12 AM 1 AM 2 AM 3 AM
26° 28° 31° 33° 35° 37° 37° 37° 34° 32° 32° 32° 32°

Upcoming Week

Day Forecast High Low
Today
Sunny
Sunny. High near 38, with temperatures falling to around 34 in the afternoon. West wind 5 to 14 mph, with gusts as high as 25 mph.
65°F 26°F
Tonight
Mostly Clear
Mostly clear. Low around 31, with temperatures rising to around 35 overnight. South wind 6 to 13 mph, with gusts as high as 23 mph.
65°F 26°F
Saturday
Mostly Sunny
Mostly sunny. High near 54, with temperatures falling to around 49 in the afternoon. Southwest wind 9 to 16 mph, with gusts as high as 25 mph.
65°F 26°F
Saturday Night
Partly Cloudy
Partly cloudy, with a low around 29. Northwest wind 5 to 8 mph.
65°F 26°F
Sunday
Mostly Sunny
Mostly sunny. High near 43, with temperatures falling to around 39 in the afternoon. North wind around 6 mph.
65°F 26°F
Sunday Night
Mostly Cloudy
Mostly cloudy, with a low around 28.
65°F 26°F
Monday
Partly Sunny
Partly sunny, with a high near 47.
65°F 26°F
Monday Night
Mostly Cloudy
Mostly cloudy, with a low around 42.
65°F 26°F
Tuesday
Partly Sunny
Partly sunny, with a high near 61.
65°F 26°F
Tuesday Night
Mostly Cloudy
Mostly cloudy, with a low around 49.
65°F 26°F
Wednesday
Mostly Cloudy
Mostly cloudy, with a high near 67.
65°F 26°F
Wednesday Night
Mostly Cloudy
Mostly cloudy, with a low around 57.
65°F 26°F
Christmas Day
Mostly Sunny
Mostly sunny, with a high near 71.
65°F 26°F
Thursday Night
Partly Cloudy
Partly cloudy, with a low around 51.
65°F 26°F
Data provided by weather.gov