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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.

Partly Cloudy

73°F

23°C

Humidity 81%
Wind Speed N 8 mph
Barometer 29.91 in (1012.3 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 16 May 12:54 pm CDT
Extended Forecast for

Hardin IL

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms, mainly before 4pm. Mostly cloudy, with a high near 82. South wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 82 °F

    Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, with a low around 65. Southeast wind 5 to 8 mph.

    Low: 65 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 86. South wind 9 to 13 mph, with gusts as high as 26 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 69. South wind 11 to 14 mph, with gusts as high as 26 mph.

    Low: 69 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. South wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.

    High: 86 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 84. Chance of precipitation is 90%.

    High: 84 °F

    Chance
    T-storms then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 70.

    High: 70 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms, mainly before 4pm. Mostly cloudy, with a high near 82. South wind 9 to 11 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 65. Southeast wind 5 to 8 mph.
Sunday
Sunny, with a high near 86. South wind 9 to 13 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 69. South wind 11 to 14 mph, with gusts as high as 26 mph.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. South wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 84. 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 57. Chance of precipitation is 60%.
Wednesday
Mostly cloudy, with a high near 70.
Wednesday Night
Mostly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hardin IL
 39.16°N 90.64°W (Elev. 692 ft)
Last Update:
12:26 pm CDT May 16, 2026
Forecast Valid:
1pm CDT May 16, 2026-6pm CDT May 22, 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