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.

Light Rain

53°F

12°C

Humidity 96%
Wind Speed E 7 mph
Barometer 29.96 in (1014.2 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 21 Nov 8:54 am CST
Extended Forecast for

4 Miles NNE Saint Charles MO

  • Today

    Today: Rain, mainly before 1pm. Patchy fog before 11am. High near 56. Northeast wind around 8 mph. Chance of precipitation is 100%.

    High: 56 °F

    Rain and
    Patchy Fog
    then Rain
    Likely

  • Tonight

    Tonight: Rain likely, mainly before 1am. Patchy fog between 10pm and 1am. Otherwise, cloudy, with a low around 42. North wind 6 to 9 mph. Chance of precipitation is 60%.

    Low: 42 °F

    Rain Likely
    and Patchy
    Fog

  • Saturday

    Saturday: Sunny, with a high near 57. North wind around 5 mph becoming light and variable in the afternoon.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 63. Calm wind becoming southwest around 5 mph.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: Rain likely, mainly after noon. Cloudy, with a high near 59. Chance of precipitation is 70%.

    High: 59 °F

    Chance Rain
    then Rain
    Likely

  • Monday Night

    Monday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.

    Low: 49 °F

    Rain Likely
    then Chance
    Rain

  • Tuesday

    Tuesday: A 20 percent chance of rain. Partly sunny, with a high near 62.

    High: 62 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Rain, mainly before 1pm. Patchy fog before 11am. High near 56. Northeast wind around 8 mph. Chance of precipitation is 100%.
Tonight
Rain likely, mainly before 1am. Patchy fog between 10pm and 1am. Otherwise, cloudy, with a low around 42. North wind 6 to 9 mph. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 57. North wind around 5 mph becoming light and variable in the afternoon.
Saturday Night
Mostly clear, with a low around 38. Calm wind.
Sunday
Sunny, with a high near 63. Calm wind becoming southwest around 5 mph.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
Rain likely, mainly after noon. Cloudy, with a high near 59. Chance of precipitation is 70%.
Monday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 62.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly sunny, with a high near 48.
Wednesday Night
Partly cloudy, with a low around 27.
Thanksgiving Day
Mostly sunny, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Saint Charles MO
 38.85°N 90.51°W (Elev. 436 ft)
Last Update:
9:06 am CST Nov 21, 2025
Forecast Valid:
9am CST Nov 21, 2025-6pm CST Nov 27, 2025
 
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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