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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. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair and Breezy

81°F

27°C

Humidity 58%
Wind Speed S 23 G 31 mph
Barometer 29.88 in (1011.2 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 17 May 11:54 am CDT
Extended Forecast for

3 Miles NNW Elsah IL

  • This Afternoon

    This Afternoon: Mostly cloudy early, then gradual clearing, with a high near 88. South wind 16 to 18 mph, with gusts as high as 30 mph.

    High: 88 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 70. South wind 15 to 17 mph, with gusts as high as 25 mph.

    Low: 70 °F

    Increasing
    Clouds

  • Monday

    Monday: Showers and thunderstorms likely, mainly between 10am and 2pm. Mostly cloudy, with a high near 85. South wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.

    High: 85 °F

    T-storms
    Likely

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, then gradually becoming mostly clear, with a low around 68. South wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 68 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 84. Southwest wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.

    High: 84 °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 56. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy early, then gradual clearing, with a high near 88. South wind 16 to 18 mph, with gusts as high as 30 mph.
Tonight
Increasing clouds, with a low around 70. South wind 15 to 17 mph, with gusts as high as 25 mph.
Monday
Showers and thunderstorms likely, mainly between 10am and 2pm. Mostly cloudy, with a high near 85. South wind 14 to 17 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 chance of showers between 2am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, then gradually becoming mostly clear, with a low around 68. South wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tuesday
Showers and possibly a thunderstorm. High near 84. Southwest wind 11 to 16 mph, with gusts as high as 26 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 56. Chance of precipitation is 60%.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 50.
Thursday
Partly sunny, with a high near 71.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 58.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Elsah IL
 39°N 90.39°W (Elev. 640 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