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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.

Mostly Cloudy

80°F

27°C

Humidity 62%
Wind Speed S 16 G 35 mph
Barometer 29.90 in (1011.4 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 17 May 11:51 am CDT
Extended Forecast for

2 Miles SW Saint Ann MO

  • This Afternoon

    This Afternoon: Mostly cloudy, then gradually becoming sunny, with a high near 90. South wind around 16 mph, with gusts as high as 29 mph.

    High: 90 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 73. South wind 13 to 15 mph, with gusts as high as 24 mph.

    Low: 73 °F

    Increasing
    Clouds

  • Monday

    Monday: Showers and thunderstorms likely, mainly before 2pm. Mostly cloudy, with a high near 88. South wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.

    High: 88 °F

    T-storms
    Likely

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 71. South wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 86. Southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

    High: 86 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.

    Low: 58 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 71.

    High: 71 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, then gradually becoming sunny, with a high near 90. South wind around 16 mph, with gusts as high as 29 mph.
Tonight
Increasing clouds, with a low around 73. South wind 13 to 15 mph, with gusts as high as 24 mph.
Monday
Showers and thunderstorms likely, mainly before 2pm. Mostly cloudy, with a high near 88. South wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Monday Night
A slight chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 71. South wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tuesday
Showers and possibly a thunderstorm. High near 86. Southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Wednesday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 71.
Wednesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 53.
Thursday
Partly sunny, with a high near 73.
Thursday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 56.
Friday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 61.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Saint Ann MO
 38.69°N 90.4°W (Elev. 636 ft)
Last Update:
12:11 pm CDT May 17, 2026
Forecast Valid:
12pm CDT May 17, 2026-6pm CDT May 23, 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