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

40°F

4°C

Humidity 83%
Wind Speed W 17 G 35 mph
Barometer 29.56 in (1001.0 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 15 Mar 7:53 pm CDT
Extended Forecast for

Barnhart MO

Wind Advisory March 15, 08:44pm until March 16, 12:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory March 15, 08:44pm until March 16, 12:00pm

    NOW until 12:00pm Mon

    Wind Advisory

  • Tonight

    Low: 22 °F

    Rain/Snow
    then Slight
    Chance Snow
    and Blustery

  • Monday

    Monday: Scattered flurries with a slight chance of snow before 11am, then scattered flurries between 11am and noon. Cloudy, with a high near 30. West wind 16 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.

    High: 30 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly clear, with a low around 15. Northwest wind 8 to 14 mph, with gusts as high as 25 mph.

    Low: 15 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. Northwest wind around 6 mph becoming light and variable in the afternoon.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow before 1am, then a slight chance of rain. Mostly cloudy, with a low around 31. Calm wind becoming south 5 to 9 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

Tonight
Rain and snow before midnight, then scattered flurries between midnight and 4am, then a slight chance of snow after 4am. Low around 22. Blustery, with a west wind 14 to 20 mph, with gusts as high as 48 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.
Monday
Scattered flurries with a slight chance of snow before 11am, then scattered flurries between 11am and noon. Cloudy, with a high near 30. West wind 16 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 15. Northwest wind 8 to 14 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 39. Northwest wind around 6 mph becoming light and variable in the afternoon.
Tuesday Night
A slight chance of snow before 1am, then a slight chance of rain. Mostly cloudy, with a low around 31. Calm wind becoming south 5 to 9 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Mostly sunny, with a high near 75.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Barnhart MO
 38.36°N 90.41°W (Elev. 449 ft)
Last Update:
7:30 pm CDT Mar 15, 2026
Forecast Valid:
8pm CDT Mar 15, 2026-6pm CDT Mar 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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