National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

A Few Clouds

57°F

14°C

Humidity 96%
Wind Speed SE 7 mph
Barometer 29.87 in (1011.3 mb)
Dewpoint 56°F (13°C)
Visibility 7.00 mi
Last update 25 Dec 8:54 pm CST
Extended Forecast for

3 Miles NNW Elsberry MO

  • Tonight

    Tonight: Patchy fog before 2am. Otherwise, mostly cloudy, with a low around 55. Southeast wind around 7 mph.

    Low: 55 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 63. Southwest wind 6 to 9 mph becoming northwest in the afternoon.

    High: 63 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43. Calm wind becoming southeast around 5 mph after midnight.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 64. Calm wind becoming southeast 5 to 8 mph in the morning.

    High: 64 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 40 percent chance of rain after midnight. Cloudy, with a low around 56. South wind around 6 mph.

    Low: 56 °F

    Cloudy then
    Chance Rain

  • Sunday

    Sunday: Showers and possibly a thunderstorm. Temperature rising to near 63 by 11am, then falling to around 50 during the remainder of the day. Chance of precipitation is 80%.

    High: 63 °F⇓

    Showers

  • Sunday Night

    Sunday Night: A chance of rain and snow before midnight. Mostly cloudy, with a low around 19. Chance of precipitation is 40%.

    Low: 19 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog before 2am. Otherwise, mostly cloudy, with a low around 55. Southeast wind around 7 mph.
Friday
Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 63. Southwest wind 6 to 9 mph becoming northwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 43. Calm wind becoming southeast around 5 mph after midnight.
Saturday
Mostly cloudy, with a high near 64. Calm wind becoming southeast 5 to 8 mph in the morning.
Saturday Night
A 40 percent chance of rain after midnight. Cloudy, with a low around 56. South wind around 6 mph.
Sunday
Showers and possibly a thunderstorm. Temperature rising to near 63 by 11am, then falling to around 50 during the remainder of the day. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow before midnight. Mostly cloudy, with a low around 19. Chance of precipitation is 40%.
Monday
Sunny, with a high near 27.
Monday Night
Mostly clear, with a low around 16.
Tuesday
Sunny, with a high near 35.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
Sunny, with a high near 39.
Wednesday Night
Mostly clear, with a low around 22.
New Year's Day
Sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Elsberry MO
 39.21°N 90.8°W (Elev. 509 ft)
Last Update:
7:41 pm CST Dec 25, 2025
Forecast Valid:
9pm CST Dec 25, 2025-6pm CST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation