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Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

82°F

28°C

Humidity 47%
Wind Speed NA
Barometer 29.81 in (1009.2 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 26 Mar 10:53 am CDT
Extended Forecast for

2 Miles SSE Belleville IL

  • Today

    Today: Sunny, with a high near 90. Southwest wind 14 to 18 mph, with gusts as high as 29 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Rain and thunderstorms likely before 3am, then rain and possibly a thunderstorm between 3am and 4am, then rain after 4am. Low around 41. Breezy, with a south wind 10 to 20 mph becoming north after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%.

    Low: 41 °F

    Chance
    T-storms then
    Rain and
    Breezy

  • Friday

    Friday: Rain, mainly before 9am. High near 53. North wind 16 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 80%.

    High: 53 °F

    Rain then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. North wind 5 to 11 mph, with gusts as high as 21 mph.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 56. Calm wind becoming southeast 5 to 8 mph in the morning.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of rain and thunderstorms before 1pm. Mostly sunny, with a high near 81.

    High: 81 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 90. Southwest wind 14 to 18 mph, with gusts as high as 29 mph.
Tonight
Rain and thunderstorms likely before 3am, then rain and possibly a thunderstorm between 3am and 4am, then rain after 4am. Low around 41. Breezy, with a south wind 10 to 20 mph becoming north after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%.
Friday
Rain, mainly before 9am. High near 53. North wind 16 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 80%.
Friday Night
Mostly clear, with a low around 31. North wind 5 to 11 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 56. Calm wind becoming southeast 5 to 8 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 56.
Monday
A 20 percent chance of rain and thunderstorms before 1pm. Mostly sunny, with a high near 81.
Monday Night
A slight chance of rain and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 20%.
Tuesday
A 30 percent chance of rain and thunderstorms. Partly sunny, with a high near 82.
Tuesday Night
A 30 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 63.
Wednesday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Belleville IL
 38.5°N 89.98°W (Elev. 495 ft)
Last Update:
10:31 am CDT Mar 26, 2026
Forecast Valid:
11am CDT Mar 26, 2026-6pm CDT Apr 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation