Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

-5°F

-21°C

Humidity 72%
Wind Speed W 7 mph
Barometer 30.43 in (1031.4 mb)
Dewpoint -12°F (-24°C)
Visibility 10.00 mi
Wind Chill-19°F (-28°C)
Last update 26 Jan 3:54 am CST
Extended Forecast for

Whiteside MO

Extreme Cold Warning January 26, 04:33am until January 26, 12:00pm
Click here for hazard details and duration
Extreme Cold Warning
  •  
    Extreme Cold Warning January 26, 04:33am until January 26, 12:00pm

    NOW until 12:00pm Mon

    Extreme Cold Warning

  • Today

    High: 14 °F

    Cold

  • Tonight

    Tonight: Mostly clear, with a temperature falling to near 6 by 8pm, then rising to around 14 during the remainder of the night. Southwest wind 6 to 13 mph, with gusts as high as 28 mph.

    Low: 6 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 26. Northwest wind 5 to 11 mph, with gusts as high as 24 mph.

    High: 26 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 0. Calm wind becoming west around 5 mph after midnight.

    Low: 0 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 28. West wind 5 to 7 mph.

    High: 28 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 3.

    Low: 3 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy and cold, with a high near 19.

    High: 19 °F

    Cold

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -1.

    Low: -1 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny and cold, with a high near 14. Wind chill values as low as -20. Northwest wind 6 to 8 mph becoming southwest in the afternoon.
Tonight
Mostly clear, with a temperature falling to near 6 by 8pm, then rising to around 14 during the remainder of the night. Southwest wind 6 to 13 mph, with gusts as high as 28 mph.
Tuesday
Sunny, with a high near 26. Northwest wind 5 to 11 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 0. Calm wind becoming west around 5 mph after midnight.
Wednesday
Mostly sunny, with a high near 28. West wind 5 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 3.
Thursday
Mostly cloudy and cold, with a high near 19.
Thursday Night
Partly cloudy, with a low around -1.
Friday
Mostly sunny and cold, with a high near 16.
Friday Night
Mostly clear, with a low around -3.
Saturday
Mostly sunny, with a high near 21.
Saturday Night
Partly cloudy, with a low around 7.
Sunday
Partly sunny, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
Whiteside MO
 39.17°N 91.01°W (Elev. 712 ft)
3:16 am CST Jan 26, 2026
4am CST Jan 26, 2026-6pm CST Feb 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database