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.

Light Rain

53°F

12°C

Humidity 100%
Wind Speed Calm
Barometer 29.98 in (1015.3 mb)
Dewpoint 53°F (12°C)
Visibility 8.00 mi
Last update 21 Nov 5:53 am CST
Extended Forecast for

Barnhart MO

  • Today

    Today: Rain, mainly before noon. Patchy fog before noon. High near 59. Northeast wind 3 to 6 mph. Chance of precipitation is 100%.

    High: 59 °F

    Rain and
    Patchy Fog
    then Chance
    Rain

  • Tonight

    Tonight: A 40 percent chance of rain, mainly before 4am. Cloudy, with a low around 45. North wind 5 to 7 mph.

    Low: 45 °F

    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 58. Light north wind.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64. Light and variable wind.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of rain, then rain likely and possibly a thunderstorm after noon. Cloudy, with a high near 59. Chance of precipitation is 70%.

    High: 59 °F

    Chance Rain
    then Rain
    Likely

  • Monday Night

    Monday Night: Rain, mainly before midnight. Low around 50. Chance of precipitation is 80%.

    Low: 50 °F

    Rain then
    Chance Rain

  • Tuesday

    Tuesday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

Detailed Forecast

Today
Rain, mainly before noon. Patchy fog before noon. High near 59. Northeast wind 3 to 6 mph. Chance of precipitation is 100%.
Tonight
A 40 percent chance of rain, mainly before 4am. Cloudy, with a low around 45. North wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 58. Light north wind.
Saturday Night
Mostly clear, with a low around 40. Calm wind.
Sunday
Sunny, with a high near 64. Light and variable wind.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
A chance of rain, then rain likely and possibly a thunderstorm after noon. Cloudy, with a high near 59. Chance of precipitation is 70%.
Monday Night
Rain, mainly before midnight. Low around 50. Chance of precipitation is 80%.
Tuesday
Partly sunny, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly sunny, with a high near 49.
Wednesday Night
Partly cloudy, with a low around 28.
Thanksgiving Day
Mostly sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Barnhart MO
 38.34°N 90.41°W (Elev. 597 ft)
Last Update:
5:41 am CST Nov 21, 2025
Forecast Valid:
6am CST Nov 21, 2025-6pm CST Nov 27, 2025
 
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