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.

Overcast

49°F

9°C

Humidity 86%
Wind Speed Calm
Barometer 30.20 in (1022.8 mb)
Dewpoint 45°F (7°C)
Visibility 7.00 mi
Last update 19 Nov 6:53 pm CST
Extended Forecast for

Barnhart MO

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 5am. Patchy fog after 3am. Otherwise, cloudy, with a low around 47. Light southeast wind.

    Low: 47 °F

    Cloudy then
    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: Rain likely, with thunderstorms also possible after 3pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 61. Southeast wind 3 to 7 mph. Chance of precipitation is 60%.

    High: 61 °F

    Rain Likely
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm. Patchy fog between 10pm and 1am. Low around 54. Light east wind. Chance of precipitation is 90%.

    Low: 54 °F

    Rain and
    Patchy Fog

  • Friday

    Friday: Rain. High near 64. Light and variable wind becoming southwest around 6 mph in the morning. Chance of precipitation is 90%.

    High: 64 °F

    Rain

  • Friday Night

    Friday Night: A 50 percent chance of rain before midnight. Mostly cloudy, with a low around 46. North wind 3 to 6 mph.

    Low: 46 °F

    Chance Rain
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly after 5am. Patchy fog after 3am. Otherwise, cloudy, with a low around 47. Light southeast wind.
Thursday
Rain likely, with thunderstorms also possible after 3pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 61. Southeast wind 3 to 7 mph. Chance of precipitation is 60%.
Thursday Night
Rain and possibly a thunderstorm. Patchy fog between 10pm and 1am. Low around 54. Light east wind. Chance of precipitation is 90%.
Friday
Rain. High near 64. Light and variable wind becoming southwest around 6 mph in the morning. Chance of precipitation is 90%.
Friday Night
A 50 percent chance of rain before midnight. Mostly cloudy, with a low around 46. North wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 45.
Monday
A 30 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 60.
Monday Night
Rain likely. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 51.
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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:
5:11 pm CST Nov 19, 2025
Forecast Valid:
6pm CST Nov 19, 2025-6pm CST Nov 26, 2025
 
Forecast Discussion
 
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Additional Resources

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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