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.

Overcast

44°F

7°C

Humidity 47%
Wind Speed N 3 mph
Barometer 29.69 in (1005.3 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 25 Feb 2:51 am CST
Extended Forecast for

Saint Louis MO

  • Overnight

    Overnight: Mostly cloudy, with a low around 37. Light northwest wind.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 52. Calm wind becoming northeast around 5 mph.

    High: 52 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain, mainly between 9pm and 5am. Mostly cloudy, with a low around 36. Northeast wind 3 to 6 mph.

    Low: 36 °F

    Chance Rain

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 55. East wind around 5 mph becoming light and variable in the afternoon.

    High: 55 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 36. Light south wind.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain. Partly cloudy, with a low around 33.

    Low: 33 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 37. Light northwest wind.
Wednesday
Mostly cloudy, with a high near 52. Calm wind becoming northeast around 5 mph.
Wednesday Night
A 50 percent chance of rain, mainly between 9pm and 5am. Mostly cloudy, with a low around 36. Northeast wind 3 to 6 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 55. East wind around 5 mph becoming light and variable in the afternoon.
Thursday Night
Mostly clear, with a low around 36. Light south wind.
Friday
Sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 44.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 33.
Sunday
A chance of rain before noon, then a chance of rain and snow. Mostly cloudy, with a high near 46. Chance of precipitation is 40%.
Sunday Night
Rain and snow likely. Some thunder is also possible. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.
Monday
A 40 percent chance of rain. Mostly cloudy, with a high near 42.
Monday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 31.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 48.
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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:
1:51 am CST Feb 25, 2026
Forecast Valid:
3am CST Feb 25, 2026-6pm CST Mar 3, 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