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.

Mostly Cloudy

54°F

12°C

Humidity 38%
Wind Speed W 8 mph
Barometer 30.09 in (1018.8 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 1 Nov 1:53 pm CDT
Extended Forecast for

Barnhart MO

Freeze Warning November 2, 01:00am until November 2, 07:00am
Click here for hazard details and duration
Freeze Warning

  • This Afternoon

    This Afternoon: A 20 percent chance of rain. Mostly cloudy, with a high near 53. West wind around 7 mph.

    High: 53 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A 20 percent chance of rain before 8pm. Patchy frost after midnight. Otherwise, partly cloudy, with a low around 32. Northwest wind around 5 mph becoming calm in the evening.

    Low: 32 °F

    Slight Chance
    Rain then
    Patchy Frost

  • Sunday

    Sunday: Widespread frost before 9am. Otherwise, sunny, with a high near 55. Calm wind.

    High: 55 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 37. Light south wind.

    Low: 37 °F

    Clear

  • Monday

    Monday: Areas of frost before 7am. Otherwise, sunny, with a high near 66. Light and variable wind becoming southwest around 6 mph in the morning.

    High: 66 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Mostly cloudy, with a high near 53. West wind around 7 mph.
Tonight
A 20 percent chance of rain before 8pm. Patchy frost after midnight. Otherwise, partly cloudy, with a low around 32. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Widespread frost before 9am. Otherwise, sunny, with a high near 55. Calm wind.
Sunday Night
Clear, with a low around 37. Light south wind.
Monday
Areas of frost before 7am. Otherwise, sunny, with a high near 66. Light and variable wind becoming southwest around 6 mph in the morning.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Clear, with a low around 42.
Thursday
Sunny, with a high near 69.
Thursday Night
A 20 percent chance of rain. Partly cloudy, with a low around 51.
Friday
A 30 percent chance of rain. Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Barnhart MO
 38.36°N 90.41°W (Elev. 449 ft)
Last Update:
1:56 pm CDT Nov 1, 2025
Forecast Valid:
2pm CDT Nov 1, 2025-6pm CST Nov 7, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation