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

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

27°F

-3°C

Humidity 46%
Wind Speed NW 3 mph
Barometer 30.45 in (1031.8 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Last update 23 Feb 5:53 pm CST
Extended Forecast for

Kimmswick MO

  • Tonight

    Tonight: Mostly clear, with a low around 17. Calm wind becoming south around 5 mph after midnight.

    Low: 17 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 56. Southwest wind 6 to 11 mph increasing to 12 to 17 mph in the morning. Winds could gust as high as 37 mph.

    High: 56 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. Southwest wind 5 to 8 mph becoming calm after midnight.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 56. Calm wind becoming northeast around 5 mph.

    High: 56 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 37. East wind 3 to 5 mph.

    Low: 37 °F

    Slight Chance
    Rain then
    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain before noon. Partly sunny, with a high near 52.

    High: 52 °F

    Chance Rain
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 17. Calm wind becoming south around 5 mph after midnight.
Tuesday
Partly sunny, with a high near 56. Southwest wind 6 to 11 mph increasing to 12 to 17 mph in the morning. Winds could gust as high as 37 mph.
Tuesday Night
Mostly cloudy, with a low around 36. Southwest wind 5 to 8 mph becoming calm after midnight.
Wednesday
Partly sunny, with a high near 56. Calm wind becoming northeast around 5 mph.
Wednesday Night
A 50 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 37. East wind 3 to 5 mph.
Thursday
A 30 percent chance of rain before noon. Partly sunny, with a high near 52.
Thursday Night
Mostly clear, with a low around 32.
Friday
Sunny, with a high near 66.
Friday Night
Clear, with a low around 41.
Saturday
Sunny, with a high near 69.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 50.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 32.
Monday
A 30 percent chance of rain. Mostly cloudy, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Kimmswick MO
 38.36°N 90.36°W (Elev. 377 ft)
Last Update:
2:51 pm CST Feb 23, 2026
Forecast Valid:
6pm CST Feb 23, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation