Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

15°F

-9°C

Humidity 59%
Wind Speed NW 17 G 24 mph
Barometer 30.19 in (1022.9 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 25 Jan 3:54 pm CST
Extended Forecast for

3 Miles NNW Elsberry MO

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

    Tonight: Mostly clear, with a low around -6. Wind chill values as low as -20. Northwest wind 6 to 8 mph.

    Low: -6 °F

    Mostly Clear

  • Monday

    Monday: Sunny and cold, with a high near 15. Wind chill values as low as -20. Northwest wind 6 to 10 mph becoming southwest in the afternoon.

    High: 15 °F

    Cold

  • Monday Night

    Monday Night: Mostly clear, with a temperature rising to around 15 by 4am. South wind 7 to 10 mph, with gusts as high as 24 mph.

    Low: 8 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 27. Northwest wind 6 to 10 mph, with gusts as high as 22 mph.

    High: 27 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around -1. Light northwest wind.

    Low: -1 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 0.

    Low: 0 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny and cold, with a high near 19.

    High: 19 °F

    Cold

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 2.

    Low: 2 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around -6. Wind chill values as low as -20. Northwest wind 6 to 8 mph.
Monday
Sunny and cold, with a high near 15. Wind chill values as low as -20. Northwest wind 6 to 10 mph becoming southwest in the afternoon.
Monday Night
Mostly clear, with a temperature rising to around 15 by 4am. South wind 7 to 10 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 27. Northwest wind 6 to 10 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around -1. Light northwest wind.
Wednesday
Mostly sunny, with a high near 27.
Wednesday Night
Partly cloudy, with a low around 0.
Thursday
Partly sunny and cold, with a high near 19.
Thursday Night
Mostly cloudy, with a low around 2.
Friday
Mostly sunny and cold, with a high near 16.
Friday Night
Mostly clear, with a low around -2.
Saturday
Sunny, with a high near 22.
Saturday Night
Partly cloudy, with a low around 6.
Sunday
Partly sunny, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Elsberry MO
 39.21°N 90.8°W (Elev. 509 ft)
3:16 pm CST Jan 25, 2026
4pm CST Jan 25, 2026-6pm CST Feb 1, 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