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

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Overcast

53°F

12°C

Humidity 93%
Wind Speed NE 13 mph
Barometer 29.85 in (1010.5 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 21 Nov 4:54 pm CST
Extended Forecast for

6 Miles WSW Elsberry MO

  • This Afternoon

    This Afternoon: A 40 percent chance of rain. Patchy fog. Otherwise, cloudy, with a high near 53. Northeast wind around 6 mph.

    High: 53 °F

    Chance Rain
    and Patchy
    Fog

  • Tonight

    Tonight: A 30 percent chance of rain, mainly before 2am. Patchy fog before 2am. Otherwise, cloudy, with a low around 41. North wind 6 to 8 mph.

    Low: 41 °F

    Chance Rain
    and Patchy
    Fog

  • Saturday

    Saturday: Patchy fog between 7am and 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 55. North wind around 6 mph becoming light and variable.

    High: 55 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 39. Southwest wind 5 to 8 mph.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 59. Calm wind.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Monday

    Monday: Rain, mainly after noon. High near 56. Chance of precipitation is 80%.

    High: 56 °F

    Chance Rain
    then Rain

  • 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 Slight
    Chance Rain

  • Tuesday

    Tuesday: A 20 percent chance of rain. Partly sunny, with a high near 58.

    High: 58 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
A 40 percent chance of rain. Patchy fog. Otherwise, cloudy, with a high near 53. Northeast wind around 6 mph.
Tonight
A 30 percent chance of rain, mainly before 2am. Patchy fog before 2am. Otherwise, cloudy, with a low around 41. North wind 6 to 8 mph.
Saturday
Patchy fog between 7am and 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 55. North wind around 6 mph becoming light and variable.
Saturday Night
Mostly clear, with a low around 39. Southwest wind 5 to 8 mph.
Sunday
Sunny, with a high near 59. Calm wind.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Rain, mainly after noon. High near 56. Chance of precipitation is 80%.
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 58.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Mostly sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 28.
Thanksgiving Day
Mostly sunny, with a high near 44.
Thursday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 27.
Friday
A 20 percent chance of rain. Mostly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Elsberry MO
 39.15°N 90.89°W (Elev. 738 ft)
Last Update:
4:36 pm CST Nov 21, 2025
Forecast Valid:
5pm CST Nov 21, 2025-6pm CST Nov 28, 2025
 
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