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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Kimmswick MO

  • Overnight

    Overnight: Clear, with a low around 47. South wind around 6 mph.

    Low: 47 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 82. South wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60. South wind 6 to 8 mph.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of rain and thunderstorms before 1pm, then a chance of rain between 1pm and 4pm, then a chance of rain and thunderstorms after 4pm. Increasing clouds, with a high near 83. South wind 5 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 83 °F

    Mostly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 56. Southwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.

    Low: 56 °F

    Rain Likely
    then Rain

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 1pm, then rain likely. Temperature rising to near 65 by 10am, then falling to around 51 during the remainder of the day. Chance of precipitation is 100%.

    High: 65 °F⇓

    Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 47. South wind around 6 mph.
Monday
Sunny, with a high near 82. South wind 6 to 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 60. South wind 6 to 8 mph.
Tuesday
A slight chance of rain and thunderstorms before 1pm, then a chance of rain between 1pm and 4pm, then a chance of rain and thunderstorms after 4pm. Increasing clouds, with a high near 83. South wind 5 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 56. Southwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
Wednesday
Rain and possibly a thunderstorm before 1pm, then rain likely. Temperature rising to near 65 by 10am, then falling to around 51 during the remainder of the day. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
Sunny, with a high near 56.
Thursday Night
Mostly cloudy, with a low around 44.
Friday
Partly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Sunny, with a high near 68.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 50.
Sunday
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a high near 71.
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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:
1:26 am CDT Mar 9, 2026
Forecast Valid:
2am CDT Mar 9, 2026-6pm CDT Mar 15, 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