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.

Fog/Mist

59°F

15°C

Humidity 93%
Wind Speed S 15 G 26 mph
Barometer 29.64 in (1003.7 mb)
Dewpoint 57°F (14°C)
Visibility 6.00 mi
Last update 8 Jan 12:53 pm CST
Extended Forecast for

Barnhart MO

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 65. South wind 15 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 80%.

    High: 65 °F

    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 10pm, then a slight chance of showers between 10pm and midnight. Low around 46. South wind 11 to 16 mph becoming west after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 80%.

    Low: 46 °F

    Showers then
    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a steady temperature around 50. West wind 6 to 11 mph becoming light and variable in the afternoon. Winds could gust as high as 24 mph.

    High: 50 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 39. Northeast wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 47. Northwest wind 5 to 10 mph, with gusts as high as 21 mph.

    High: 47 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 65. South wind 15 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 80%.
Tonight
Showers and possibly a thunderstorm before 10pm, then a slight chance of showers between 10pm and midnight. Low around 46. South wind 11 to 16 mph becoming west after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 80%.
Friday
Partly sunny, with a steady temperature around 50. West wind 6 to 11 mph becoming light and variable in the afternoon. Winds could gust as high as 24 mph.
Friday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 39. Northeast wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 47. Northwest wind 5 to 10 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 24.
Sunday
Sunny, with a high near 37.
Sunday Night
Mostly clear, with a low around 24.
Monday
Sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Partly sunny, with a high near 57.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 36.
Wednesday
Mostly cloudy, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Barnhart MO
 38.34°N 90.39°W (Elev. 587 ft)
Last Update:
12:31 pm CST Jan 8, 2026
Forecast Valid:
1pm CST Jan 8, 2026-6pm CST Jan 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation