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

81°F

27°C

Humidity 45%
Wind Speed S 16 G 28 mph
Barometer 29.73 in (1006.0 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 23 Apr 5:51 pm CDT
Extended Forecast for

Saint Louis MO

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Low around 64. South wind 9 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    Low: 64 °F

    Partly Cloudy
    then Showers

  • Friday

    Friday: Showers and thunderstorms, mainly before noon. High near 75. South wind 7 to 9 mph becoming west in the afternoon. Chance of precipitation is 90%.

    High: 75 °F

    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming clear, with a low around 53. North wind around 6 mph.

    Low: 53 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 78. East wind around 6 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 56. East wind around 6 mph.

    Low: 56 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 75. Chance of precipitation is 20%.

    High: 75 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 70%.

    High: 80 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 55. Chance of precipitation is 50%.

    Low: 55 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Low around 64. South wind 9 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Friday
Showers and thunderstorms, mainly before noon. High near 75. South wind 7 to 9 mph becoming west in the afternoon. Chance of precipitation is 90%.
Friday Night
Mostly cloudy, then gradually becoming clear, with a low around 53. North wind around 6 mph.
Saturday
Sunny, with a high near 78. East wind around 6 mph.
Saturday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 56. East wind around 6 mph.
Sunday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 75. Chance of precipitation is 20%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 70%.
Monday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 55. Chance of precipitation is 50%.
Tuesday
Sunny, with a high near 73.
Tuesday Night
A 20 percent chance of showers. Mostly clear, with a low around 52.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 72.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 67.
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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:
5:56 pm CDT Apr 23, 2026
Forecast Valid:
6pm CDT Apr 23, 2026-6pm CDT Apr 30, 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