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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

67°F

19°C

Humidity 91%
Wind Speed NE 5 mph
Barometer 29.90 in (1012.2 mb)
Dewpoint 64°F (18°C)
Visibility 9.00 mi
Last update 17 May 6:54 am CDT
Extended Forecast for

Elsah IL

  • Today

    Today: Mostly sunny, with a high near 89. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 89 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 73. South wind 13 to 17 mph, with gusts as high as 26 mph.

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 11am, then showers likely and possibly a thunderstorm after 11am. Partly sunny, with a high near 87. South wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 69. South wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 69 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 85. South wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    High: 85 °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 70.

    High: 70 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 89. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.
Tonight
Partly cloudy, with a low around 73. South wind 13 to 17 mph, with gusts as high as 26 mph.
Monday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 11am, then showers likely and possibly a thunderstorm after 11am. Partly sunny, with a high near 87. South wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Monday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 69. South wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tuesday
Showers and possibly a thunderstorm. High near 85. South wind 11 to 15 mph, with gusts as high as 25 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 70.
Wednesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 51.
Thursday
Partly sunny, with a high near 72.
Thursday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 54.
Friday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76.
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 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Elsah IL
 38.96°N 90.36°W (Elev. 492 ft)
Last Update:
4:26 am CDT May 17, 2026
Forecast Valid:
7am 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