O'Fallon, IL weather radar & alerts
ST. CLAIR COUNTY · 38.60°N 89.92°W · UPDATED 1:50 PM CSTH 45°7° · L 27°-3°
O'Fallon radar
Open full radar7-day forecast for O'Fallon
Detailed forecast
Forecast text by the National Weather Service- Today
- Partly sunny, with a high near 45. North wind 7 to 10 mph.
- Tonight
- Mostly clear, with a low around 27. North wind 2 to 6 mph.
- Saturday
- Sunny. High near 50, with temperatures falling to around 45 in the afternoon. North wind around 3 mph.
- Saturday night
- Mostly clear, with a low around 26. Wind around 0 mph.
- Sunday
- Sunny. High near 54, with temperatures falling to around 47 in the afternoon. Northeast wind around 2 mph.
- Sunday night
- Clear, with a low around 29.
- Monday
- Sunny, with a high near 57.
- Monday night
- Clear, with a low around 30.
- Tuesday
- Sunny, with a high near 59.
- Tuesday night
- Clear, with a low around 33.
- Wednesday
- Sunny, with a high near 63.
- Wednesday night
- Mostly clear, with a low around 43.
- Thursday
- Partly sunny, with a high near 65.
- Thursday night
- Mostly cloudy, with a low around 49.
Detailed forecast
Forecast text by the National Weather Service- Today
- Partly sunny, with a high near 7. North wind 11 to 17 km/h.
- Tonight
- Mostly clear, with a low around -3. North wind 4 to 9 km/h.
- Saturday
- Sunny. High near 10, with temperatures falling to around 7 in the afternoon. North wind around 6 km/h.
- Saturday night
- Mostly clear, with a low around -3. Wind around 0 km/h.
- Sunday
- Sunny. High near 12, with temperatures falling to around 8 in the afternoon. Northeast wind around 4 km/h.
- Sunday night
- Clear, with a low around -2.
- Monday
- Sunny, with a high near 14.
- Monday night
- Clear, with a low around -1.
- Tuesday
- Sunny, with a high near 15.
- Tuesday night
- Clear, with a low around 1.
- Wednesday
- Sunny, with a high near 17.
- Wednesday night
- Mostly clear, with a low around 6.
- Thursday
- Partly sunny, with a high near 18.
- Thursday night
- Mostly cloudy, with a low around 9.
News radio for O'Fallon
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NPR Illinois
Public radio · MP3 56k
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91.5 WBEZ-FM
Public radio · AAC 63k
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Tri States Public Radio | TSPR | WIUM
Public radio · MP3 96k
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WXJ71 162.475 NOAA Weather Radio Peoria, IL
Weather · MP3 32k
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About O'Fallon weather today
O'Fallon is cloudy at 43°F with a northwest wind of 11 mph. No weather alerts are in effect right now. No rain or snow is in the forecast for the next seven days. Highs this week range from 45°F to 64°F. Warnings for O'Fallon are issued by the National Weather Service.
O'Fallon is cloudy at 6°C with a northwest wind of 18 km/h. No weather alerts are in effect right now. No rain or snow is in the forecast for the next seven days. Highs this week range from 7°C to 18°C. Warnings for O'Fallon are issued by the National Weather Service.
Frequently asked
Is there a weather alert in O'Fallon right now?
No. There are no active weather alerts for O'Fallon right now. This list updates every minute from the National Weather Service.
No. There are no active weather alerts for O'Fallon right now. This list updates every minute from the National Weather Service.
Will it rain in O'Fallon this week?
Rain is unlikely: no day in the next seven days has more than a 14% chance.
Rain is unlikely: no day in the next seven days has more than a 14% chance.
Is a hurricane heading toward O'Fallon?
No. The National Hurricane Center is not tracking any tropical storm or hurricane right now.
No. The National Hurricane Center is not tracking any tropical storm or hurricane right now.
O'Fallon at a glance
- County
- St. Clair
- NWS office
- St. Louis
- Time zone
- Central (CST)
- Sunrise / sunset
- 6:39 AM / 4:48 PM
Weather radar near O'Fallon
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