O Fallon 5 Day Forecast

Thu Mar 28 | Sunny O Fallon weather - Thu Mar 28 - Sunny

64°F

High

44°F

Low

11mph SW

Wind

Day: 0% | Night: 0%

Precipitation

6:54 am

Sunrise

7:22 pm

Sunset

Day
Sunny, with a high near 64. Southwest wind 9 to 11 mph.

Night
Mostly clear, with a low around 44. Southwest wind 6 to 8 mph.

Fri Mar 29

Mostly Sunny

O Fallon weather - Fri Mar 29 - Mostly Sunny
  • High 74°F
  • Low 57°F
  • Wind 16mph S
  • Precipitation
    Day: 0%
    Night: 30%
  • Sunrise
    6:53 am
  • Sunset
    7:23 pm
Summary
Day
Mostly sunny, with a high near 74. South wind 7 to 16 mph, with gusts as high as 26 mph.
Night
A 30 percent chance of showers. Mostly cloudy, with a low around 57. South wind 14 to 16 mph, with gusts as high as 25 mph.

Sat Mar 30

Chance Of Showers

O Fallon weather - Sat Mar 30 - Chance Of Showers
  • High 75°F
  • Low 52°F
  • Wind 13mph W
  • Precipitation
    Day: 20%
    Night: 30%
  • Sunrise
    6:51 am
  • Sunset
    7:24 pm
Summary
Day
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 75. West wind 9 to 13 mph.
Night
A chance of showers, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.

Sun Mar 31

Chance Of T-Storm

O Fallon weather - Sun Mar 31 - Chance Of T-Storm
  • High 75°F
  • Low 60°F
  • Wind mild
  • Precipitation
    Day: 50%
    Night: 50%
  • Sunrise
    6:50 am
  • Sunset
    7:25 pm
Summary
Day
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.

Mon Apr 1

Thunder Storms

O Fallon weather - Mon Apr 1 - Thunder Storms
  • High 78°F
  • Low 49°F
  • Wind mild
  • Precipitation
    Day: 80%
    Night: 70%
  • Sunrise
    6:48 am
  • Sunset
    7:26 pm
Summary
Day
Showers and possibly a thunderstorm. High near 78. Chance of precipitation is 80%.
Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.

Currently

O Fallon, MO  weather condition is Fair and 57°F. 57°F°F
30.19 inHg.
Barometer
33.05%
Humidity
N. 6mph
Wind
Fair

5 Day Forecast Nearby

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Includes the Counties: Madison County Il, Saint Clair County Il, Monroe County Il, Saint Charles County Mo, Saint Louis County Mo, Saint Louis City County Mo, Jefferson County Mo, Including The Cities Of Alton, Edwardsville, Belleville, Cahokia, Saint Charles, And Saint Louis