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.

Mostly Cloudy

35°F

2°C

Humidity 67%
Wind Speed Calm
Barometer 29.91 in (1014.0 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 5 Feb 8:51 pm CST
Extended Forecast for

Saint Louis MO

  • Tonight

    Tonight: Mostly clear, with a low around 32. South wind 5 to 8 mph becoming west in the evening.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 46. West wind 9 to 14 mph becoming northwest in the morning. Winds could gust as high as 25 mph.

    High: 46 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24. Northwest wind 6 to 10 mph.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 37. Northeast wind around 6 mph becoming southeast in the afternoon.

    High: 37 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 26. Southeast wind around 7 mph.

    Low: 26 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 32. South wind 5 to 8 mph becoming west in the evening.
Friday
Mostly sunny, with a high near 46. West wind 9 to 14 mph becoming northwest in the morning. Winds could gust as high as 25 mph.
Friday Night
Partly cloudy, with a low around 24. Northwest wind 6 to 10 mph.
Saturday
Sunny, with a high near 37. Northeast wind around 6 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 26. Southeast wind around 7 mph.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 31.
Monday
Sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 42.
Tuesday
A 20 percent chance of rain after noon. Partly sunny, with a high near 65.
Tuesday Night
A 40 percent chance of rain. Cloudy, with a low around 44.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 56.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 37.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.26°W (Elev. 499 ft)
Last Update:
9:21 pm CST Feb 5, 2026
Forecast Valid:
9pm CST Feb 5, 2026-6pm CST Feb 12, 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