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.

Fair

42°F

6°C

Humidity 68%
Wind Speed E 7 mph
Barometer 29.89 in (1012.4 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 7 Jan 6:54 pm CST
Extended Forecast for

4 Miles NE Saint Paul MO

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. Southeast wind around 7 mph.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain likely, then showers and possibly a thunderstorm after 3pm. High near 65. Southeast wind 8 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 80%.

    High: 65 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 49. South wind 9 to 17 mph becoming west after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely then
    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 54. West wind 6 to 8 mph becoming north in the afternoon.

    High: 54 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 37. North wind 3 to 8 mph.

    Low: 37 °F

    Chance Rain

  • Saturday

    Saturday: A 20 percent chance of rain before noon. Partly sunny, with a high near 43.

    High: 43 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 45. Southeast wind around 7 mph.
Thursday
Rain likely, then showers and possibly a thunderstorm after 3pm. High near 65. Southeast wind 8 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 49. South wind 9 to 17 mph becoming west after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 60%.
Friday
Partly sunny, with a high near 54. West wind 6 to 8 mph becoming north in the afternoon.
Friday Night
A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 37. North wind 3 to 8 mph.
Saturday
A 20 percent chance of rain before noon. Partly sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Sunny, with a high near 35.
Sunday Night
Mostly clear, with a low around 22.
Monday
Sunny, with a high near 48.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
A 20 percent chance of rain. Mostly cloudy, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Saint Paul MO
 38.9°N 90.67°W (Elev. 433 ft)
Last Update:
5:21 pm CST Jan 7, 2026
Forecast Valid:
7pm CST Jan 7, 2026-6pm CST Jan 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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