O'fallon

United States
Partly CloudyPartly Cloudy
92°
76°
92°

Forecast

  • 6 PMPartly Cloudy91°
  • 7 PMPartly Cloudy90°
  • 8 PMPartly Cloudy87°
  • 9 PMPartly Cloudy85°
  • 10 PMPartly Cloudy83°
  • 11 PMThunderstorms81°
  • 12 AMThunderstorms80°
  • 1 AMThunderstorms79°
  • 2 AMThunderstorms79°
  • 3 AMThunderstorms79°
  • 4 AMThunderstorms78°
  • 5 AMPartly Cloudy77°
  • 6 AMPartly Cloudy76°
  • 7 AMMostly Cloudy77°
  • 8 AMThunderstorms79°
  • 9 AMThunderstorms81°
  • 10 AMMostly Cloudy82°
  • 11 AMThunderstorms83°
  • 12 PMMostly Cloudy83°
  • 1 PMThunderstorms83°
  • 2 PMThunderstorms85°
  • 3 PMThunderstorms85°
  • 4 PMThunderstorms85°
  • 5 PMThunderstorms85°
  • 6 PMThunderstorms85°
Sunday
Partly CloudyPrecipitation: 0%0%92°76°Night - Thunderstorms with a 100% chance of precipitation. Winds variable at 4 to 7 mph (6.4 to 11.3 kph). The overnight low will be 78 °F (25.6 °C).Thunderstorms with a high of 85 °F (29.4 °C). Winds variable at 2 to 9 mph (3.2 to 14.5 kph).
Monday
Isolated ThundershowersPrecipitation: 25%25%84°75°Scattered thunderstorms today with a high of 84 °F (28.9 °C) and a low of 75 °F (23.9 °C). There is a 25% chance of precipitation.
Tuesday
ShowersPrecipitation: 25%25%88°72°Rain today with a high of 88 °F (31.1 °C) and a low of 72 °F (22.2 °C). There is a 25% chance of precipitation.
Wednesday
ThunderstormsPrecipitation: 30%30%84°72°Thunderstorms today with a high of 84 °F (28.9 °C) and a low of 72 °F (22.2 °C). There is a 30% chance of precipitation.
Thursday
ThunderstormsPrecipitation: 40%40%85°74°Thunderstorms today with a high of 85 °F (29.4 °C) and a low of 74 °F (23.3 °C). There is a 40% chance of precipitation.
Friday
Isolated ThundershowersPrecipitation: 20%20%84°73°Scattered thunderstorms today with a high of 84 °F (28.9 °C) and a low of 73 °F (22.8 °C).
Saturday
Isolated ThundershowersPrecipitation: 20%20%84°70°Scattered thunderstorms today with a high of 84 °F (28.9 °C) and a low of 70 °F (21.1 °C).
Sunday
ThunderstormsPrecipitation: 10%10%84°70°Thunderstorms today with a high of 84 °F (28.9 °C) and a low of 70 °F (21.1 °C).
Monday
ThunderstormsPrecipitation: 10%10%86°69°Thunderstorms today with a high of 86 °F (30.0 °C) and a low of 69 °F (20.6 °C).
Tuesday
ThunderstormsPrecipitation: 10%10%87°71°Thunderstorms today with a high of 87 °F (30.6 °C) and a low of 71 °F (21.7 °C).

Precipitation

Evening
Night
Overnight
Early Morning
Precipitation: 5%5%
Precipitation: 85%85%
Precipitation: 100%100%
Precipitation: 0%0%

Wind & Pressure

Wind

4 mph SSE

Barometer

29.4 inches

Details

Partly Cloudy
  • Feels like
    111°
  • Humidity
    68%
  • Visibility
    10.00 miles
  • UV Index
    3 (Moderate)

Tonight - Thunderstorms with a 100% chance of precipitation. Winds variable at 4 to 7 mph (6.4 to 11.3 kph). The overnight low will be 78 °F (25.6 °C).

Today - Thunderstorms with a high of 85 °F (29.4 °C). Winds variable at 2 to 9 mph (3.2 to 14.5 kph).

Sun & Moon

Waning Gibbous
Waning Gibbous
5:55 AM8:17 PM

Map