O'fallon

United States
FairMostly Clear
82°
69°
73°

Forecast

  • 6 AMFair72°
  • 7 AM Scattered Thunderstorms73°
  • 8 AMShowers74°
  • 9 AMIsolated Thundershowers75°
  • 10 AMThunderstorms77°
  • 11 AMIsolated Thundershowers79°
  • 12 PMIsolated Thundershowers80°
  • 1 PMMostly Cloudy81°
  • 2 PMMostly Cloudy82°
  • 3 PMMostly Cloudy83°
  • 4 PMMostly Cloudy83°
  • 5 PMMostly Cloudy84°
  • 6 PMMostly Cloudy83°
  • 7 PMMostly Cloudy82°
  • 8 PMPartly Cloudy80°
  • 9 PMPartly Cloudy76°
  • 10 PMPartly Cloudy75°
  • 11 PMPartly Cloudy73°
  • 12 AMPartly Cloudy72°
  • 1 AMPartly Cloudy71°
  • 2 AMPartly Cloudy69°
  • 3 AMPartly Cloudy69°
  • 4 AMPartly Cloudy68°
  • 5 AMPartly Cloudy68°
  • 6 AMPartly Cloudy67°
Friday
ThunderstormsPrecipitation: 20%20%82°69°Mostly cloudy with a high of 83 °F (28.3 °C) and a 90% chance of precipitation. Winds variable at 4 to 7 mph (6.4 to 11.3 kph).Night - Partly cloudy. Winds variable at 2 to 7 mph (3.2 to 11.3 kph). The overnight low will be 68 °F (20.0 °C).
Saturday
ThunderstormsPrecipitation: 10%10%83°68°Thunderstorms today with a high of 83 °F (28.3 °C) and a low of 68 °F (20.0 °C).
Sunday
Isolated ThundershowersPrecipitation: 5%5%83°69°Scattered thunderstorms today with a high of 83 °F (28.3 °C) and a low of 69 °F (20.6 °C).
Monday
ThunderstormsPrecipitation: 25%25%87°71°Thunderstorms today with a high of 87 °F (30.6 °C) and a low of 71 °F (21.7 °C). There is a 25% chance of precipitation.
Tuesday
ThunderstormsPrecipitation: 5%5%93°75°Thunderstorms today with a high of 93 °F (33.9 °C) and a low of 75 °F (23.9 °C).
Wednesday
ThunderstormsPrecipitation: 5%5%93°76°Thunderstorms today with a high of 93 °F (33.9 °C) and a low of 76 °F (24.4 °C).
Thursday
ThunderstormsPrecipitation: 15%15%93°77°Thunderstorms today with a high of 93 °F (33.9 °C) and a low of 77 °F (25.0 °C).
Friday
ThunderstormsPrecipitation: 10%10%89°76°Thunderstorms today with a high of 89 °F (31.7 °C) and a low of 76 °F (24.4 °C).
Saturday
ThunderstormsPrecipitation: 5%5%87°73°Thunderstorms today with a high of 87 °F (30.6 °C) and a low of 73 °F (22.8 °C).
Sunday
Partly CloudyPrecipitation: 5%5%86°71°Partly cloudy today with a high of 86 °F (30.0 °C) and a low of 71 °F (21.7 °C).

Precipitation

Early Morning
Morning
Afternoon
Evening
Precipitation: 25%25%
Precipitation: 90%90%
Precipitation: 0%0%
Precipitation: 0%0%

Wind & Pressure

Wind

4 mph NNW

Barometer

29.4 inches

Details

Fair
  • Feels like
    79°
  • Humidity
    84%
  • Visibility
    10.00 miles
  • UV Index
    0 (Low)

Today - Mostly cloudy with a high of 83 °F (28.3 °C) and a 90% chance of precipitation. Winds variable at 4 to 7 mph (6.4 to 11.3 kph).

Tonight - Partly cloudy. Winds variable at 2 to 7 mph (3.2 to 11.3 kph). The overnight low will be 68 °F (20.0 °C).

Sun & Moon

Waning Crescent
Waning Crescent
6:02 AM8:16 PM

Map