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NWS St. Louis Announces Changes To May 16, 2025 Tornado Damage Assessment

After a year-long review of new ground survey data and aerial imagery, NWS St. Louis made several adjustments to the May 16, 2025 tornado damage assessment. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

A Few Clouds

83°F

28°C

Humidity 53%
Wind Speed S 12 G 22 mph
Barometer 29.84 in (1009.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 17 May 7:51 pm CDT
Extended Forecast for

Saint Louis MO

  • Tonight

    Tonight: Increasing clouds, with a low around 73. South wind 11 to 14 mph, with gusts as high as 22 mph.

    Low: 73 °F

    Increasing
    Clouds

  • Monday

    Monday: Showers and thunderstorms likely, mainly before 2pm. Mostly cloudy, with a high near 88. South wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

    High: 88 °F

    T-storms
    Likely

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 71. South wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms, mainly after 7am. High near 86. South wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.

    High: 86 °F

    T-storms
    Likely then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 58. Northwest wind 7 to 9 mph. Chance of precipitation is 70%.

    Low: 58 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Increasing clouds, with a low around 73. South wind 11 to 14 mph, with gusts as high as 22 mph.
Monday
Showers and thunderstorms likely, mainly before 2pm. Mostly cloudy, with a high near 88. South wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Monday Night
A slight chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 71. South wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Tuesday
Showers and thunderstorms, mainly after 7am. High near 86. South wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.
Tuesday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 58. Northwest wind 7 to 9 mph. Chance of precipitation is 70%.
Wednesday
Partly sunny, with a high near 71.
Wednesday Night
Mostly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 57.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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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:
5:16 pm CDT May 17, 2026
Forecast Valid:
8pm CDT May 17, 2026-6pm CDT May 24, 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