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 Snow and Breezy

22°F

-6°C

Humidity 66%
Wind Speed W 24 G 37 mph
Barometer 29.96 in (1014.8 mb)
Dewpoint 12°F (-11°C)
Visibility 9.00 mi
Wind Chill6°F (-14°C)
Last update 16 Mar 8:53 am CDT
Extended Forecast for

Mehlville MO

Wind Advisory March 16, 09:38am until March 16, 12:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory March 16, 09:38am until March 16, 12:00pm

    NOW until 12:00pm Mon

    Wind Advisory

  • Today

    High: 30 °F

    Chance
    Flurries and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 15. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 15 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Increasing clouds, with a high near 38. Northwest wind 5 to 7 mph becoming light and variable in the afternoon.

    High: 38 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of snow before 4am, then a chance of rain. Mostly cloudy, with a low around 33. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 33 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 30 percent chance of rain before 7am. Mostly sunny, with a high near 64. South wind 7 to 9 mph becoming west in the afternoon.

    High: 64 °F

    Chance Rain
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Today
A chance of flurries between 11am and noon. Mostly cloudy, with a high near 30. Breezy, with a northwest wind 17 to 20 mph, with gusts as high as 36 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 15. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Increasing clouds, with a high near 38. Northwest wind 5 to 7 mph becoming light and variable in the afternoon.
Tuesday Night
A chance of snow before 4am, then a chance of rain. Mostly cloudy, with a low around 33. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Wednesday
A 30 percent chance of rain before 7am. Mostly sunny, with a high near 64. South wind 7 to 9 mph becoming west in the afternoon.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mehlville MO
 38.51°N 90.32°W (Elev. 548 ft)
Last Update:
8:41 am CDT Mar 16, 2026
Forecast Valid:
9am CDT Mar 16, 2026-6pm CDT Mar 22, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation