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

Weather Impacts for the Pacific Northwest This Week; Watching the Northeast U.S.

A series of Pacific fronts will bring periods of moderate rain, higher elevation snow, and gusty winds to the Pacific Northwest through this week. A more widespread precipitation event looks likely this weekend. In the Northeast U.S. a storm may bring gusty winds, low elevation rain, and high elevation snow Friday into this coming weekend. Read More >

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 92%
Wind Speed SW 6 mph
Barometer 30.09 in (1018.8 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 10 Nov 2:54 am CST
Extended Forecast for

4 Miles S Portage Des Sioux MO

  • Overnight

    Overnight: Patchy fog before 4am. Otherwise, clear, with a low around 41. Southwest wind around 6 mph.

    Low: 41 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 71. West wind 5 to 7 mph becoming light and variable in the afternoon.

    High: 71 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 46. Calm wind becoming south around 5 mph after midnight.

    Low: 46 °F

    Increasing
    Clouds

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 67. South wind 5 to 10 mph becoming west 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42. Northwest wind 11 to 16 mph, with gusts as high as 24 mph.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog before 4am. Otherwise, clear, with a low around 41. Southwest wind around 6 mph.
Tuesday
Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 71. West wind 5 to 7 mph becoming light and variable in the afternoon.
Tuesday Night
Increasing clouds, with a low around 46. Calm wind becoming south around 5 mph after midnight.
Veterans Day
Mostly sunny, with a high near 67. South wind 5 to 10 mph becoming west 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 42. Northwest wind 11 to 16 mph, with gusts as high as 24 mph.
Thursday
Partly sunny, with a high near 51.
Thursday Night
Mostly clear, with a low around 32.
Friday
Sunny, with a high near 46.
Friday Night
Mostly clear, with a low around 28.
Saturday
Sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Portage Des Sioux MO
 38.87°N 90.33°W (Elev. 456 ft)
Last Update:
3:21 am CST Nov 10, 2026
Forecast Valid:
3am CST Nov 10, 2026-6pm CST Nov 16, 2026
 
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Additional Resources

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