O'fallon

United States
Mostly CloudyMostly Cloudy
90°
73°
75°

Forecast

  • 8 PMMostly Cloudy74°
  • 9 PMCloudy74°
  • 10 PMCloudy73°
  • 11 PMMostly Cloudy73°
  • 12 AMMostly Cloudy72°
  • 1 AMMostly Cloudy72°
  • 2 AMMostly Cloudy72°
  • 3 AMPartly Cloudy72°
  • 4 AMPartly Cloudy71°
  • 5 AMPartly Cloudy71°
  • 6 AMPartly Cloudy71°
  • 7 AMPartly Cloudy71°
  • 8 AMMostly Cloudy73°
  • 9 AMMostly Cloudy75°
  • 10 AMThunderstorms78°
  • 11 AMMostly Cloudy80°
  • 12 PMThunderstorms81°
  • 1 PMThunderstorms83°
  • 2 PMMostly Cloudy85°
  • 3 PMMostly Cloudy86°
  • 4 PMMostly Cloudy87°
  • 5 PMMostly Cloudy86°
  • 6 PMCloudy84°
  • 7 PMCloudy81°
  • 8 PMMostly Cloudy77°
Tuesday
ThunderstormsPrecipitation: 65%65%90°73°Night - Mostly cloudy. Winds variable. The overnight low will be 71 °F (21.7 °C).Mostly cloudy with a high of 87 °F (30.6 °C). Winds variable at 4 to 7 mph (6.4 to 11.3 kph).
Wednesday
ThunderstormsPrecipitation: 5%5%87°71°Thunderstorms today with a high of 87 °F (30.6 °C) and a low of 71 °F (21.7 °C).
Thursday
FairPrecipitation: 0%0%78°64°Mostly sunny today with a high of 78 °F (25.6 °C) and a low of 64 °F (17.8 °C).
Friday
SunnyPrecipitation: 0%0%78°58°Sunny today with a high of 78 °F (25.6 °C) and a low of 58 °F (14.4 °C).
Saturday
Partly CloudyPrecipitation: 0%0%80°57°Partly cloudy today with a high of 80 °F (26.7 °C) and a low of 57 °F (13.9 °C).
Sunday
FairPrecipitation: 0%0%86°58°Mostly sunny today with a high of 86 °F (30.0 °C) and a low of 58 °F (14.4 °C).
Monday
ThunderstormsPrecipitation: 5%5%89°67°Thunderstorms today with a high of 89 °F (31.7 °C) and a low of 67 °F (19.4 °C).
Tuesday
Isolated ThundershowersPrecipitation: 10%10%89°72°Scattered thunderstorms today with a high of 89 °F (31.7 °C) and a low of 72 °F (22.2 °C).
Wednesday
ThunderstormsPrecipitation: 15%15%88°73°Thunderstorms today with a high of 88 °F (31.1 °C) and a low of 73 °F (22.8 °C).
Thursday
ThunderstormsPrecipitation: 10%10%85°72°Thunderstorms today with a high of 85 °F (29.4 °C) and a low of 72 °F (22.2 °C).

Precipitation

Night
Overnight
Early Morning
Morning
Precipitation: 0%0%
Precipitation: 0%0%
Precipitation: 0%0%
Precipitation: 0%0%

Wind & Pressure

Wind

4 mph North

Barometer

29.5 inches

Details

Mostly Cloudy
  • Feels like
    81°
  • Humidity
    91%
  • Visibility
    9.69 miles
  • UV Index
    0 (Low)

Tonight - Mostly cloudy. Winds variable. The overnight low will be 71 °F (21.7 °C).

Today - Mostly cloudy with a high of 87 °F (30.6 °C). Winds variable at 4 to 7 mph (6.4 to 11.3 kph).

Sun & Moon

Waning Crescent
Waning Crescent
6:31 AM7:35 PM

Map