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

38°F

3°C

Humidity 89%
Wind Speed SW 3 mph
Barometer 29.90 in (1012.6 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 7 Jan 1:51 am CST
Extended Forecast for

Saint Louis MO

  • Overnight

    Overnight: Clear, with a low around 35. Light and variable wind.

    Low: 35 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 63. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 63 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 46. South wind 6 to 8 mph.

    Low: 46 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Rain, mainly after 4pm. High near 65. South wind 7 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.

    High: 65 °F

    Chance Rain
    then Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 52. South wind 8 to 14 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 60%.

    Low: 52 °F

    Rain Likely
    then Slight
    Chance Rain

  • Friday

    Friday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Saturday

    Saturday: A 20 percent chance of rain before noon. Partly sunny, with a high near 46.

    High: 46 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 35. Light and variable wind.
Wednesday
Sunny, with a high near 63. Calm wind becoming south 5 to 7 mph in the afternoon.
Wednesday Night
Increasing clouds, with a low around 46. South wind 6 to 8 mph.
Thursday
Rain, mainly after 4pm. High near 65. South wind 7 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Thursday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 52. South wind 8 to 14 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 60%.
Friday
Partly sunny, with a high near 59.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 40.
Saturday
A 20 percent chance of rain before noon. Partly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Sunny, with a high near 36.
Sunday Night
Mostly clear, with a low around 25.
Monday
Sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
Mostly sunny, with a high near 51.
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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:
2:41 am CST Jan 7, 2026
Forecast Valid:
2am CST Jan 7, 2026-6pm CST Jan 13, 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