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

Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

18°F

-8°C

Humidity 41%
Wind Speed NW 14 G 24 mph
Barometer 30.45 in (1032.5 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 19 Jan 10:51 am CST
Extended Forecast for

Saint Louis MO

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 22. Northwest wind 8 to 15 mph, with gusts as high as 22 mph.

    High: 22 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 14. West wind around 5 mph becoming calm in the evening.

    Low: 14 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. Light south wind increasing to 5 to 9 mph in the morning.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 31. South wind 9 to 11 mph, with gusts as high as 25 mph.

    Low: 31 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 46. West wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 46 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 27.

    High: 27 °F

    Mostly Cloudy

Detailed Forecast

M.L.King Day
Sunny, with a high near 22. Northwest wind 8 to 15 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 14. West wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 39. Light south wind increasing to 5 to 9 mph in the morning.
Tuesday Night
Increasing clouds, with a low around 31. South wind 9 to 11 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 46. West wind 7 to 10 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 24.
Thursday
Sunny, with a high near 37.
Thursday Night
Mostly cloudy, with a low around 19.
Friday
Mostly cloudy, with a high near 27.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 3.
Saturday
A 20 percent chance of snow. Mostly cloudy and cold, with a high near 16.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 8.
Sunday
Mostly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.62°N 90.23°W (Elev. 489 ft)
Last Update:
10:51 am CST Jan 19, 2026
Forecast Valid:
11am CST Jan 19, 2026-6pm CST Jan 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation