National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

25°C

77°F

Humidity 94%
Wind Speed Calm
Barometer 1011.4 mb (29.88 in)
Dewpoint 24°C (75°F)
Visibility 16 km
Heat Index26°C (78°F)
Last update 15 Jul 9:54 pm CDT
Extended Forecast for

4 Miles SE Michael IL

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 23. Southwest wind 5 to 8 km/h.

    Low: 23 °C

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 34. Heat index values as high as 41. Southwest wind 8 to 14 km/h.

    High: 34 °C

    Chance
    T-storms and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 23. Southwest wind 8 to 11 km/h.

    Low: 23 °C

    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 29. Northwest wind 8 to 11 km/h.

    High: 29 °C

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 21. North wind 5 to 10 km/h becoming calm after midnight.

    Low: 21 °C

    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 28.

    High: 28 °C

    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 22.

    Low: 22 °C

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 32.

    High: 32 °C

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 23.

    Low: 23 °C

    Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 23. Southwest wind 5 to 8 km/h.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 34. Heat index values as high as 41. Southwest wind 8 to 14 km/h.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 23. Southwest wind 8 to 11 km/h.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 29. Northwest wind 8 to 11 km/h.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 21. North wind 5 to 10 km/h becoming calm after midnight.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 28.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 22.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 32.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 23.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 33.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 23.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 32.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Michael IL
 39.18°N 90.58°W (Elev. 430 m)
Last Update:
10:07 pm CDT Jul 15, 2025
Forecast Valid:
10pm CDT Jul 15, 2025-6pm CDT Jul 22, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation