Storm System to Move Across the Ohio Valley to the Mid-Atlantic and Northeast

Isolated severe thunderstorms will be possible on Veterans Day across parts of the lower Ohio and western Tennessee Valleys. A developing storm will bring rain and gusty winds to the Mid-Atlantic and Northeast on Thursday, with the first accumulating snow likely in the higher elevations of the central Appalachians and interior Northeast. Read More >

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fog

41°F

5°C

Humidity 96%
Wind Speed Calm
Barometer 29.91 in (1012.7 mb)
Dewpoint 40°F (4°C)
Visibility 0.50 mi
Last update 11 Nov 5:54 am CST
Extended Forecast for

2 Miles W Portage Des Sioux MO

  • Veterans Day

    Veterans Day: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 67. Breezy, with a light and variable wind becoming west 15 to 20 mph in the morning. Winds could gust as high as 31 mph.

    High: 67 °F

    Patchy Fog
    then Mostly
    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 41. Northwest wind 7 to 16 mph, with gusts as high as 26 mph.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Scattered sprinkles before 1pm, then isolated showers between 1pm and 3pm, then scattered sprinkles after 3pm.  Partly sunny, with a high near 50. Northwest wind 11 to 16 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    High: 50 °F

    Mostly Sunny
    then Isolated
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31. North wind 8 to 14 mph, with gusts as high as 22 mph.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 46. Northwest wind 8 to 14 mph.

    High: 46 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

Veterans Day
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 67. Breezy, with a light and variable wind becoming west 15 to 20 mph in the morning. Winds could gust as high as 31 mph.
Tonight
Partly cloudy, with a low around 41. Northwest wind 7 to 16 mph, with gusts as high as 26 mph.
Thursday
Scattered sprinkles before 1pm, then isolated showers between 1pm and 3pm, then scattered sprinkles after 3pm. Partly sunny, with a high near 50. Northwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 31. North wind 8 to 14 mph, with gusts as high as 22 mph.
Friday
Mostly sunny, with a high near 46. Northwest wind 8 to 14 mph.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 48.
Saturday Night
Mostly clear, with a low around 27.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Portage Des Sioux MO
 38.93°N 90.39°W (Elev. 427 ft)
6:26 am CST Nov 11, 2026
6am CST Nov 11, 2026-6pm CST Nov 17, 2026
 
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Additional Resources

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