Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

68°F

20°C

Humidity 96%
Wind Speed Calm
Barometer 30.03 in (1016.3 mb)
Dewpoint 67°F (19°C)
Visibility 9.00 mi
Last update 4 Aug 6:54 am CDT
Extended Forecast for

3 Miles SE Batchtown IL

  • Today

    Today: Sunny, with a high near 89. Calm wind becoming south around 5 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 69. South wind 3 to 5 mph.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: Isolated showers and thunderstorms after 3pm.  Mostly sunny, with a high near 90. South wind 3 to 6 mph.  Chance of precipitation is 20%.

    High: 90 °F

    Mostly Sunny
    then Isolated
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am.  Low around 71. South wind around 6 mph becoming southwest after midnight.  Chance of precipitation is 80%.

    Low: 71 °F

    Chance
    T-storms then
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm.  Partly sunny, with a high near 86. South wind around 5 mph.  Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 89. Calm wind becoming south around 5 mph.
Tonight
Mostly clear, with a low around 69. South wind 3 to 5 mph.
Wednesday
Isolated showers and thunderstorms after 3pm. Mostly sunny, with a high near 90. South wind 3 to 6 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 71. South wind around 6 mph becoming southwest after midnight. Chance of precipitation is 80%.
Thursday
Showers likely and possibly a thunderstorm before 1pm. Partly sunny, with a high near 86. South wind around 5 mph. Chance of precipitation is 60%.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.
Friday
Partly sunny, with a high near 87.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 70.
Saturday
Mostly sunny, with a high near 90.
Saturday Night
Mostly clear, with a low around 73.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 74.
Monday
Mostly sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Batchtown IL
 39.01°N 90.61°W (Elev. 610 ft)
5:21 am CDT Aug 4, 2026
7am CDT Aug 4, 2026-6pm CDT Aug 10, 2026
 
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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