Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

46°F

8°C

Humidity 71%
Wind Speed Calm
Barometer 29.98 in (1015.1 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 27 Feb 8:54 am CST
Extended Forecast for

4 Miles SSE Whiteside MO

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

    Today: Sunny, with a high near 71. Southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 37. West wind 5 to 8 mph becoming east after midnight.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after noon.  Mostly sunny, with a high near 62. Southeast wind 5 to 8 mph.

    High: 62 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26. North wind 8 to 10 mph, with gusts as high as 22 mph.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of rain and snow after noon.  Mostly cloudy, with a high near 43. East wind around 10 mph, with gusts as high as 21 mph.  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 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 29 °F

    Rain/Snow

  • Monday

    Monday: A chance of rain and snow before noon, then a slight chance of rain.  Cloudy, with a high near 41. Chance of precipitation is 30%.

    High: 41 °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

  • Tuesday

    Tuesday: Rain.  High near 49. Chance of precipitation is 80%.

    High: 49 °F

    Rain

Detailed Forecast

Today
Sunny, with a high near 71. Southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.
Tonight
Mostly clear, with a low around 37. West wind 5 to 8 mph becoming east after midnight.
Saturday
A 30 percent chance of rain, mainly after noon. Mostly sunny, with a high near 62. Southeast wind 5 to 8 mph.
Saturday Night
Partly cloudy, with a low around 26. North wind 8 to 10 mph, with gusts as high as 22 mph.
Sunday
A chance of rain and snow after noon. Mostly cloudy, with a high near 43. East wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Sunday Night
Rain and snow, becoming all snow after 3am. Low around 29. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Monday
A chance of rain and snow before noon, then a slight chance of rain. Cloudy, with a high near 41. 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 likely, with thunderstorms also possible after midnight. Cloudy, with a low around 38. Chance of precipitation is 70%.
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%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Whiteside MO
 39.13°N 90.98°W (Elev. 738 ft)
8:31 am CST Feb 27, 2026
9am CST Feb 27, 2026-6pm CST Mar 5, 2026
 
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Additional Resources

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Hourly Weather Forecast

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