National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Rain Fog/Mist and Breezy

48°F

9°C

Humidity 86%
Wind Speed N 24 G 35 mph
Barometer 29.89 in (1011.9 mb)
Dewpoint 44°F (7°C)
Visibility 2.00 mi
Wind Chill40°F (4°C)
Last update 11 Mar 11:53 am CDT
Extended Forecast for

2 Miles WNW Belleville IL

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms. Cloudy, with a temperature falling to around 45 by 5pm. Breezy, with a northwest wind 18 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.

    High: 63 °F⇓

    Chance
    Showers and
    Breezy

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 32. Northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.

    Low: 32 °F

    Gradual
    Clearing

  • Thursday

    Thursday: Sunny, with a high near 54. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44. South wind 10 to 18 mph, with gusts as high as 31 mph.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 62. Southwest wind 10 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 62 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain likely and possibly a thunderstorm, then rain after 1pm. High near 65. Breezy. Chance of precipitation is 80%.

    High: 65 °F

    Rain and
    Breezy

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Cloudy, with a temperature falling to around 45 by 5pm. Breezy, with a northwest wind 18 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 32. Northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.
Thursday
Sunny, with a high near 54. Calm wind becoming southwest 5 to 8 mph in the morning.
Thursday Night
Partly cloudy, with a low around 44. South wind 10 to 18 mph, with gusts as high as 31 mph.
Friday
Partly sunny, with a high near 62. Southwest wind 10 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Mostly cloudy, with a low around 54.
Sunday
Rain likely and possibly a thunderstorm, then rain after 1pm. High near 65. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 26. Blustery. Chance of precipitation is 30%.
Monday
Sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Partly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Belleville IL
 38.55°N 90.04°W (Elev. 538 ft)
Last Update:
11:41 am CDT Mar 11, 2026
Forecast Valid:
12pm CDT Mar 11, 2026-6pm CDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation