Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Partly Cloudy

91°F

33°C

Humidity 42%
Wind Speed S 9 mph
Barometer 30.21 in (1022.4 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 19 Jun 11:53 am CDT
Extended Forecast for

O'Fallon IL

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 92. South wind around 10 mph.

    High: 92 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 71. South wind around 6 mph becoming calm  in the evening.

    Low: 71 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 93. Calm wind becoming south around 6 mph in the afternoon.

    High: 93 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73. South wind around 5 mph becoming calm  in the evening.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 95. Calm wind becoming south around 6 mph in the afternoon.

    High: 95 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 78.

    Low: 78 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 95.

    High: 95 °F

    Chance
    T-storms

Detailed Forecast

Juneteenth
Mostly sunny, with a high near 92. South wind around 10 mph.
Tonight
Partly cloudy, with a low around 71. South wind around 6 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 93. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 73. South wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 95. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 75.
Saturday
Mostly sunny and hot, with a high near 97.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 78.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 95.
Sunday Night
Mostly clear, with a low around 72.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 73.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 98.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
O'Fallon IL
 38.59°N 89.92°W (Elev. 551 ft)
12:22 pm CDT Jun 19, 2024
12pm CDT Jun 19, 2024-6pm CDT Jun 25, 2024
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database