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.

Mostly Cloudy

39°F

4°C

Humidity 50%
Wind Speed NW 17 G 31 mph
Barometer 30.18 in (1022.0 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 10 Jan 8:54 pm CST
Extended Forecast for

3 Miles E Winfield MO

  • Tonight

    Tonight: A slight chance of rain before midnight, then a chance of flurries between midnight and 4am. Mostly cloudy during the early evening, then becoming mostly clear, with a low around 26. Northwest wind 11 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    Low: 26 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 39. Northwest wind 6 to 15 mph, with gusts as high as 28 mph.

    High: 39 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 26. Southwest wind 3 to 7 mph.

    Low: 26 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 51. West wind 5 to 8 mph.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36. Light southwest wind increasing to 5 to 9 mph in the evening.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of rain before midnight, then a chance of flurries between midnight and 4am. Mostly cloudy during the early evening, then becoming mostly clear, with a low around 26. Northwest wind 11 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 39. Northwest wind 6 to 15 mph, with gusts as high as 28 mph.
Sunday Night
Clear, with a low around 26. Southwest wind 3 to 7 mph.
Monday
Sunny, with a high near 51. West wind 5 to 8 mph.
Monday Night
Partly cloudy, with a low around 36. Light southwest wind increasing to 5 to 9 mph in the evening.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly cloudy, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 19.
Thursday
Mostly sunny, with a high near 39.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 44.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Winfield MO
 39.01°N 90.7°W (Elev. 430 ft)
Last Update:
8:16 pm CST Jan 10, 2026
Forecast Valid:
8pm CST Jan 10, 2026-6pm CST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation