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.

Fog/Mist

76°F

24°C

Humidity 97%
Wind Speed NE 3 mph
Barometer 29.92 in (1012.6 mb)
Dewpoint 75°F (24°C)
Visibility 0.75 mi
Heat Index75°F (24°C)
Last update 26 Jul 5:54 am CDT
Extended Forecast for

Batchtown IL

Extreme Heat Warning July 26, 11:00am until July 27, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Today

    Today: A slight chance of showers and thunderstorms between 10am and noon. Patchy fog before 8am. Otherwise, partly sunny and hot, with a high near 98. Heat index values as high as 118. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 98 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 78. Light and variable wind.

    Low: 78 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 98. Heat index values as high as 113. Light south wind becoming southwest 5 to 9 mph in the morning.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 79. Southwest wind around 7 mph.

    Low: 79 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93. Northwest wind 5 to 7 mph becoming north in the afternoon.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 10am and noon. Patchy fog before 8am. Otherwise, partly sunny and hot, with a high near 98. Heat index values as high as 118. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 78. Light and variable wind.
Monday
Sunny and hot, with a high near 98. Heat index values as high as 113. Light south wind becoming southwest 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 79. Southwest wind around 7 mph.
Tuesday
Mostly sunny, with a high near 93. Northwest wind 5 to 7 mph becoming north in the afternoon.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Sunny, with a high near 90.
Thursday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 70.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Batchtown IL
 39.03°N 90.67°W (Elev. 597 ft)
Last Update:
5:41 am CDT Jul 26, 2026
Forecast Valid:
6am CDT Jul 26, 2026-6pm CDT Aug 1, 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