O'Fallon, MO weather radar & alerts
ST. CHARLES COUNTY · 38.78°N 90.72°W · UPDATED 2:45 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 44. Northwest wind around 3 mph.
- Tonight
- Mostly clear, with a low around 26. North wind around 3 mph.
- Saturday
- Sunny, with a high near 48. North wind around 1 mph.
- Saturday night
- Mostly clear, with a low around 27. Wind around 0 mph.
- Sunday
- Sunny. High near 52, with temperatures falling to around 47 in the afternoon. Northeast wind around 1 mph.
- Sunday night
- Clear, with a low around 29.
- Monday
- Sunny, with a high near 56.
- Monday night
- Clear, with a low around 30.
- Tuesday
- Sunny, with a high near 57.
- Tuesday night
- Clear, with a low around 33.
- Wednesday
- Sunny, with a high near 62.
- Wednesday night
- Partly cloudy, with a low around 43.
- Thursday
- A slight chance of rain. Partly sunny, with a high near 64. Chance of precipitation is 20%.
- 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 7 to 15 km/h.
- Tonight
- Mostly clear, with a low around -3. North wind around 6 km/h.
- Saturday
- Sunny, with a high near 9. North wind around 2 km/h.
- Saturday night
- Mostly clear, with a low around -3. Wind around 0 km/h.
- Sunday
- Sunny. High near 11, with temperatures falling to around 8 in the afternoon. Northeast wind around 2 km/h.
- Sunday night
- Clear, with a low around -2.
- Monday
- Sunny, with a high near 13.
- Monday night
- Clear, with a low around -1.
- Tuesday
- Sunny, with a high near 14.
- Tuesday night
- Clear, with a low around 1.
- Wednesday
- Sunny, with a high near 17.
- Wednesday night
- Partly cloudy, with a low around 6.
- Thursday
- A slight chance of rain. Partly sunny, with a high near 18. Chance of precipitation is 20%.
- Thursday night
- Mostly cloudy, with a low around 9.
News radio for O'Fallon
All stations
Millennial Media Offensive
News · MP3 128k
This station plays in the app
Tri States Public Radio | TSPR | WIUM
Public radio · MP3 96k
This station plays in the app
91.5 WBEZ-FM
Public radio · AAC 63k
This station plays in the app
NPR Illinois
Public radio · MP3 56k
This station plays in the app
About O'Fallon weather today
O'Fallon is cloudy at 43°F with a northwest wind of 9 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 15 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 19% chance.
Rain is unlikely: no day in the next seven days has more than a 19% 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. Charles
- NWS office
- St. Louis
- Time zone
- Central (CST)
- Sunrise / sunset
- 6:43 AM / 4:51 PM