Hazardous Weather Conditions

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fog

48°F

9°C

Humidity 96%
Wind Speed NE 6 mph
Barometer 30.05 in (1017.6 mb)
Dewpoint 47°F (8°C)
Visibility 0.25 mi
Wind Chill45°F (7°C)
Last update 4 Mar 10:54 am CST
Extended Forecast for

4 Miles E Portage Des Sioux MO

  • Today

    Today: Showers and thunderstorms, mainly before 4pm.  Patchy fog before noon. High near 59. East wind around 5 mph becoming light and variable  in the afternoon.  Chance of precipitation is 80%.

    High: 59 °F

    T-storms and
    Patchy Fog

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 4am, then showers likely and possibly a thunderstorm after 4am.  Patchy fog after 10pm. Low around 52. Light and variable wind.  Chance of precipitation is 80%.

    Low: 52 °F

    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Scattered showers, mainly before 8am.  Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 67. West wind 3 to 8 mph.  Chance of precipitation is 50%.

    High: 67 °F

    Scattered
    Showers and
    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Scattered showers, then showers likely and possibly a thunderstorm after midnight.  Mostly cloudy, with a low around 55. Calm wind becoming south 5 to 8 mph after midnight.  Chance of precipitation is 60%.

    Low: 55 °F

    Scattered
    Showers then
    Showers
    Likely

  • Friday

    Friday: A 50 percent chance of showers.  Partly sunny, with a high near 79. South wind 9 to 18 mph, with gusts as high as 28 mph.

    High: 79 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 53. Chance of precipitation is 90%.

    Low: 53 °F

    Showers
    Likely then
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers before noon.  Partly sunny, with a high near 64.

    High: 64 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

Today
Showers and thunderstorms, mainly before 4pm. Patchy fog before noon. High near 59. East wind around 5 mph becoming light and variable in the afternoon. Chance of precipitation is 80%.
Tonight
Showers and thunderstorms, mainly before 4am, then showers likely and possibly a thunderstorm after 4am. Patchy fog after 10pm. Low around 52. Light and variable wind. Chance of precipitation is 80%.
Thursday
Scattered showers, mainly before 8am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 67. West wind 3 to 8 mph. Chance of precipitation is 50%.
Thursday Night
Scattered showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 55. Calm wind becoming south 5 to 8 mph after midnight. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 79. South wind 9 to 18 mph, with gusts as high as 28 mph.
Friday Night
Showers and possibly a thunderstorm. Low around 53. Chance of precipitation is 90%.
Saturday
A 40 percent chance of showers before noon. Partly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 78.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 60.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Portage Des Sioux MO
 38.93°N 90.27°W (Elev. 407 ft)
10:26 am CST Mar 4, 2026
11am CST Mar 4, 2026-6pm CDT Mar 10, 2026
 
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