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

37°F

3°C

Humidity 59%
Wind Speed S 10 mph
Barometer 29.92 in (1014.6 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 5 Feb 2:51 pm CST
Extended Forecast for

Saint Louis MO

  • Tonight

    Tonight: Partly cloudy, with a low around 32. Light and variable wind becoming west 5 to 7 mph in the evening.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Sunny through mid morning, then becoming mostly cloudy, with a high near 47. West wind 9 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 32 mph.

    High: 47 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24. North wind 5 to 14 mph, with gusts as high as 26 mph.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 36. Northeast wind around 6 mph becoming southeast in the afternoon.

    High: 36 °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
Partly cloudy, with a low around 32. Light and variable wind becoming west 5 to 7 mph in the evening.
Friday
Sunny through mid morning, then becoming mostly cloudy, with a high near 47. West wind 9 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 32 mph.
Friday Night
Partly cloudy, with a low around 24. North wind 5 to 14 mph, with gusts as high as 26 mph.
Saturday
Sunny, with a high near 36. 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
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.26°W (Elev. 499 ft)
Last Update:
2:42 pm CST Feb 5, 2026
Forecast Valid:
3pm CST Feb 5, 2026-6pm CST Feb 12, 2026
 
Forecast Discussion
 
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Additional Resources

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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