Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

36°F

2°C

Humidity 67%
Wind Speed Calm
Barometer 30.11 in (1020.0 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 12 Jan 9:53 pm CST
Extended Forecast for

Barnhart MO

  • Tonight

    Tonight: Mostly clear, with a low around 41. Southwest wind 3 to 7 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 64. West wind 7 to 13 mph, with gusts as high as 29 mph.

    High: 64 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly between 7pm and 11pm.  Mostly cloudy, with a low around 37. West wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 37 °F

    Chance Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 44. Northwest wind 9 to 15 mph, with gusts as high as 30 mph.

    High: 44 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 17. North wind 6 to 11 mph, with gusts as high as 23 mph.

    Low: 17 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 41. Southwest wind 3 to 7 mph.
Tuesday
Increasing clouds, with a high near 64. West wind 7 to 13 mph, with gusts as high as 29 mph.
Tuesday Night
A 30 percent chance of rain, mainly between 7pm and 11pm. Mostly cloudy, with a low around 37. West wind 7 to 10 mph, with gusts as high as 21 mph.
Wednesday
Partly sunny, with a high near 44. Northwest wind 9 to 15 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 17. North wind 6 to 11 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 34.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
Partly sunny, with a high near 44.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 31.
Saturday Night
Partly cloudy, with a low around 10.
Sunday
Sunny, with a high near 29.
Sunday Night
Mostly clear, with a low around 13.
M.L.King Day
Mostly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
Barnhart MO
 38.31°N 90.39°W (Elev. 499 ft)
9:41 pm CST Jan 12, 2026
10pm CST Jan 12, 2026-6pm CST Jan 19, 2026
 
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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