Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

32°F

0°C

Humidity 85%
Wind Speed Calm
Barometer 29.94 in (1013.9 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 27 Feb 12:54 am CST
Extended Forecast for

3 Miles NNW Elsberry MO

Red Flag Warning February 27, 12:00pm until February 27, 06:00pm
Click here for hazard details and duration
Red Flag Warning
  • Overnight

    Overnight: Clear, with a low around 36. Calm wind becoming southwest around 6 mph.

    Low: 36 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 72. Southeast wind 5 to 10 mph becoming southwest 12 to 17 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36. West wind 5 to 8 mph becoming light and variable  after midnight.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of rain and snow before 7am, then a chance of rain.  Mostly sunny, with a high near 62. Southeast wind 3 to 8 mph.  Chance of precipitation is 30%.

    High: 62 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27. North wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of rain and snow after noon.  Mostly cloudy, with a high near 43. Chance of precipitation is 30%.

    High: 43 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow, becoming all snow after 3am.  Low around 29. Chance of precipitation is 80%.

    Low: 29 °F

    Rain/Snow

  • Monday

    Monday: A chance of rain and snow before noon, then a slight chance of rain.  Mostly cloudy, with a high near 42. Chance of precipitation is 30%.

    High: 42 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Rain likely, mainly after midnight.  Cloudy, with a low around 33. Chance of precipitation is 60%.

    Low: 33 °F

    Rain Likely

Detailed Forecast

Overnight
Clear, with a low around 36. Calm wind becoming southwest around 6 mph.
Friday
Sunny, with a high near 72. Southeast wind 5 to 10 mph becoming southwest 12 to 17 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Mostly clear, with a low around 36. West wind 5 to 8 mph becoming light and variable after midnight.
Saturday
A slight chance of rain and snow before 7am, then a chance of rain. Mostly sunny, with a high near 62. Southeast wind 3 to 8 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 27. North wind 8 to 10 mph, with gusts as high as 21 mph.
Sunday
A chance of rain and snow after noon. Mostly cloudy, with a high near 43. Chance of precipitation is 30%.
Sunday Night
Rain and snow, becoming all snow after 3am. Low around 29. Chance of precipitation is 80%.
Monday
A chance of rain and snow before noon, then a slight chance of rain. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.
Monday Night
Rain likely, mainly after midnight. Cloudy, with a low around 33. Chance of precipitation is 60%.
Tuesday
Rain. High near 49. Chance of precipitation is 80%.
Tuesday Night
Rain and thunderstorms likely. Cloudy, with a low around 38. Chance of precipitation is 60%.
Wednesday
Rain likely. Cloudy, with a high near 58. Chance of precipitation is 60%.
Wednesday Night
Rain likely. Cloudy, with a low around 47. Chance of precipitation is 70%.
Thursday
Rain likely. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Elsberry MO
 39.21°N 90.8°W (Elev. 509 ft)
1:16 am CST Feb 27, 2026
1am CST Feb 27, 2026-6pm CST Mar 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database