Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

65°F

18°C

Humidity 93%
Wind Speed Calm
Barometer 29.99 in (1015.1 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 27 Aug 4:54 am CDT
Extended Forecast for

3 Miles E Dow IL

  • Today

    Today: Sunny, with a high near 84. Calm wind becoming north 5 to 9 mph in the morning.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. North wind 5 to 7 mph becoming calm  in the evening.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. East wind 3 to 5 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 88. South wind 5 to 8 mph.

    High: 88 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 96.

    High: 96 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 84. Calm wind becoming north 5 to 9 mph in the morning.
Tonight
Mostly clear, with a low around 61. North wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 61. East wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 88. South wind 5 to 8 mph.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 73.
Monday
Mostly sunny, with a high near 96.
Monday Night
Partly cloudy, with a low around 75.
Tuesday
Mostly sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Dow IL
 39.04°N 90.24°W (Elev. 600 ft)
4:31 am CDT Aug 27, 2026
5am CDT Aug 27, 2026-6pm CDT Sep 2, 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