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.

Fair

59°F

15°C

Humidity 49%
Wind Speed E 13 mph
Barometer 29.82 in (1009.6 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 14 Mar 6:54 pm CDT
Extended Forecast for

5 Miles WSW Elsberry MO

Wind Advisory March 15, 10:00am until March 16, 12:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Increasing clouds, with a low around 54. South wind 8 to 15 mph, with gusts as high as 29 mph.

    Low: 54 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Rain and thunderstorms likely before 2pm, then rain and possibly a thunderstorm between 2pm and 4pm, then rain after 4pm. Temperature rising to near 65 by noon, then falling to around 52 during the remainder of the day. Breezy, with a south wind 17 to 20 mph becoming west in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 100%.

    High: 65 °F⇓

    Chance Rain
    then Rain and
    Breezy

  • Sunday Night

    Sunday Night: Rain likely before 8pm, then a chance of rain and snow between 8pm and 9pm, then a chance of snow after 9pm. Cloudy, with a low around 17. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 17 °F

    Rain/Snow
    Likely and
    Blustery then
    Chance Snow
    and Windy

  • Monday

    Monday: A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 27. Blustery, with a northwest wind 18 to 28 mph, with gusts as high as 49 mph.

    High: 27 °F

    Slight Chance
    Snow and
    Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 11. Northwest wind 9 to 15 mph, with gusts as high as 28 mph.

    Low: 11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.

    Low: 32 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 54. South wind 8 to 15 mph, with gusts as high as 29 mph.
Sunday
Rain and thunderstorms likely before 2pm, then rain and possibly a thunderstorm between 2pm and 4pm, then rain after 4pm. Temperature rising to near 65 by noon, then falling to around 52 during the remainder of the day. Breezy, with a south wind 17 to 20 mph becoming west in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 100%.
Sunday Night
Rain likely before 8pm, then a chance of rain and snow between 8pm and 9pm, then a chance of snow after 9pm. Cloudy, with a low around 17. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday
A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 27. Blustery, with a northwest wind 18 to 28 mph, with gusts as high as 49 mph.
Monday Night
Mostly clear, with a low around 11. Northwest wind 9 to 15 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
A chance of snow before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Elsberry MO
 39.15°N 90.86°W (Elev. 682 ft)
Last Update:
5:31 pm CDT Mar 14, 2026
Forecast Valid:
6pm CDT Mar 14, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation