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.

Fair

27°F

-3°C

Humidity 75%
Wind Speed E 6 mph
Barometer 30.15 in (1022.0 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 8 Feb 11:51 pm CST
Extended Forecast for

Saint Louis MO

  • Overnight

    Overnight: Mostly clear, with a low around 29. East wind around 5 mph becoming calm.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 54. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 54 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. Southeast wind around 6 mph becoming southwest after midnight.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61. Northwest wind 6 to 8 mph.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 33. North wind around 6 mph.

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after noon. Cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain. Cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 29. East wind around 5 mph becoming calm.
Monday
Sunny, with a high near 54. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 41. Southeast wind around 6 mph becoming southwest after midnight.
Tuesday
Sunny, with a high near 61. Northwest wind 6 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 33. North wind around 6 mph.
Wednesday
Mostly sunny, with a high near 51.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
A 20 percent chance of rain after noon. Cloudy, with a high near 46.
Thursday Night
A 40 percent chance of rain. Cloudy, with a low around 34.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 45.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 33.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 46.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 35.
Sunday
A 20 percent chance of rain. Sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 538 ft)
Last Update:
12:26 am CST Feb 9, 2026
Forecast Valid:
12am CST Feb 9, 2026-6pm CST Feb 15, 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