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

74°F

23°C

Humidity 60%
Wind Speed Calm
Barometer 30.12 in (1019.5 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 3 Oct 7:54 pm CDT
Extended Forecast for

2 Miles WNW Elsah IL

  • Tonight

    Tonight: Clear, with a low around 64. South wind around 6 mph.

    Low: 64 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 86. Light south wind increasing to 6 to 11 mph in the morning.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 60. Southeast wind 6 to 9 mph.

    Low: 60 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 88. South wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64. South wind 5 to 9 mph.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 86.

    High: 86 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 64.

    Low: 64 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 80.

    High: 80 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 64. South wind around 6 mph.
Saturday
Sunny, with a high near 86. Light south wind increasing to 6 to 11 mph in the morning.
Saturday Night
Clear, with a low around 60. Southeast wind 6 to 9 mph.
Sunday
Sunny, with a high near 88. South wind 6 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 64. South wind 5 to 9 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 86.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 64.
Tuesday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Elsah IL
 38.96°N 90.39°W (Elev. 407 ft)
Last Update:
5:11 pm CDT Oct 3, 2025
Forecast Valid:
7pm CDT Oct 3, 2025-6pm CDT Oct 10, 2025
 
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