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

67°F

19°C

Humidity 87%
Wind Speed S 6 mph
Barometer 29.99 in (1014.9 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 27 Aug 3:54 am CDT
Extended Forecast for

Whiteside MO

  • Today

    Today: Sunny, with a high near 83. Calm wind becoming north around 6 mph in the morning.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. Light north wind.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85. Light northeast wind.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 86. South wind 3 to 7 mph.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 83. Calm wind becoming north around 6 mph in the morning.
Tonight
Mostly clear, with a low around 62. Light north wind.
Friday
Sunny, with a high near 85. Light northeast wind.
Friday Night
Mostly clear, with a low around 62. Calm wind.
Saturday
Mostly sunny, with a high near 86. South wind 3 to 7 mph.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 93.
Sunday Night
Partly cloudy, with a low around 74.
Monday
Mostly sunny, with a high near 94.
Monday Night
Partly cloudy, with a low around 75.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
Whiteside MO
 39.19°N 91.01°W (Elev. 794 ft)
4:31 am CDT Aug 27, 2026
4am 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