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Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

87°F

31°C

Humidity 31%
Wind Speed E 7 mph
Barometer 29.88 in (1011.3 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 7 Jun 6:53 pm CDT
Extended Forecast for

O'Fallon IL

  • Tonight

    Tonight: A slight chance of showers before 4am, then a chance of showers and thunderstorms between 4am and 5am, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 67. Northwest wind around 5 mph becoming calm. Chance of precipitation is 60%.

    Low: 67 °F

    Mostly Clear
    then Showers
    Likely

  • Saturday

    Saturday: Showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 4pm. High near 84. South wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    High: 84 °F

    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 64. Calm wind becoming northwest 5 to 9 mph after midnight.

    Low: 64 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms. Partly sunny, with a high near 78. North wind around 7 mph. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60. Northwest wind 3 to 6 mph.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers before 4am, then a chance of showers and thunderstorms between 4am and 5am, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 67. Northwest wind around 5 mph becoming calm. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 4pm. High near 84. South wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 64. Calm wind becoming northwest 5 to 9 mph after midnight.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 78. North wind around 7 mph. Chance of precipitation is 40%.
Sunday Night
Mostly clear, with a low around 60. Northwest wind 3 to 6 mph.
Monday
Sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Sunny, with a high near 90.
Thursday Night
Partly cloudy, with a low around 69.
Friday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
O'Fallon IL
 38.59°N 89.92°W (Elev. 551 ft)
Last Update:
5:52 pm CDT Jun 7, 2024
Forecast Valid:
7pm CDT Jun 7, 2024-6pm CDT Jun 14, 2024
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation