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

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Overcast and Breezy

28°F

-2°C

Humidity 66%
Wind Speed W 22 G 33 mph
Barometer 30.23 in (1024.5 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 30 Nov 3:51 am CST
Extended Forecast for

Saint Louis MO

  • Today

    Today: Partly sunny, with a high near 28. West wind 8 to 15 mph, with gusts as high as 28 mph.

    High: 28 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 21. Northwest wind 5 to 7 mph becoming light and variable in the evening.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: A 50 percent chance of snow after noon. Cloudy, with a high near 31. East wind around 5 mph becoming calm in the afternoon.

    High: 31 °F

    Cloudy then
    Chance Snow

  • Monday Night

    Monday Night: Snow, mainly before midnight. Low around 22. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 22 °F

    Snow then
    Slight Chance
    Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 32. Northwest wind around 5 mph becoming calm in the afternoon.

    High: 32 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 28. West wind 8 to 15 mph, with gusts as high as 28 mph.
Tonight
Mostly cloudy, with a low around 21. Northwest wind 5 to 7 mph becoming light and variable in the evening.
Monday
A 50 percent chance of snow after noon. Cloudy, with a high near 31. East wind around 5 mph becoming calm in the afternoon.
Monday Night
Snow, mainly before midnight. Low around 22. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Tuesday
Partly sunny, with a high near 32. Northwest wind around 5 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 17.
Thursday
Partly sunny, with a high near 23.
Thursday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 15.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 32. Chance of precipitation is 40%.
Friday Night
A slight chance of freezing rain. Mostly cloudy, with a low around 26. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.26°W (Elev. 499 ft)
Last Update:
3:16 am CST Nov 30, 2025
Forecast Valid:
4am CST Nov 30, 2025-6pm CST Dec 6, 2025
 
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