National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

30°F

-1°C

Humidity 56%
Wind Speed NW 5 mph
Barometer 30.50 in (1033.8 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 28 Nov 9:54 am CST
Extended Forecast for

2 Miles NNE Ballwin MO

Winter Weather Advisory November 29, 12:00am until November 30, 12:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Increasing clouds, with a high near 39. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 39 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Snow likely before 3am, then snow, possibly mixed with rain between 3am and 4am, then snow after 4am. Low around 31. Southeast wind 5 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 31 °F

    Cloudy then
    Rain/Snow

  • Saturday

    Saturday: Snow, possibly mixed with rain and sleet before 10am, then rain, possibly mixed with snow between 10am and 11am, then rain after 11am. High near 39. Southeast wind 13 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow and sleet accumulation of around an inch possible.

    High: 39 °F

    Wintry Mix
    then Rain

  • Saturday Night

    Saturday Night: Rain likely, mixing with snow after 9pm, then gradually ending. Cloudy, with a low around 25. South wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 25 °F

    Rain/Snow
    Likely then
    Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 30. Northwest wind 7 to 14 mph, with gusts as high as 25 mph.

    High: 30 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 27.

    High: 27 °F

    Cloudy then
    Slight Chance
    Snow

  • Monday Night

    Monday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 20.

    Low: 20 °F

    Chance Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 39. Calm wind becoming southeast around 5 mph in the afternoon.
Tonight
Snow likely before 3am, then snow, possibly mixed with rain between 3am and 4am, then snow after 4am. Low around 31. Southeast wind 5 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Saturday
Snow, possibly mixed with rain and sleet before 10am, then rain, possibly mixed with snow between 10am and 11am, then rain after 11am. High near 39. Southeast wind 13 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow and sleet accumulation of around an inch possible.
Saturday Night
Rain likely, mixing with snow after 9pm, then gradually ending. Cloudy, with a low around 25. South wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday
Mostly cloudy, with a high near 30. Northwest wind 7 to 14 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 18.
Monday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 27.
Monday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 20.
Tuesday
Partly sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
Partly sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Ballwin MO
 38.61°N 90.54°W (Elev. 597 ft)
Last Update:
8:01 am CST Nov 28, 2025
Forecast Valid:
10am CST Nov 28, 2025-6pm CST Dec 4, 2025
 
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Chance of Precipitation