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

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. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

44°F

7°C

Humidity 100%
Wind Speed Calm
Barometer 30.02 in (1016.3 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 10 Nov 11:53 pm CST
Extended Forecast for

Mascoutah IL

  • Overnight

    Overnight: Partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Mostly cloudy through mid morning, then gradual clearing, with a high near 69. Light and variable wind becoming west 13 to 18 mph in the morning.

    High: 69 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40. Northwest wind 8 to 15 mph, with gusts as high as 24 mph.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 51. Northwest wind 9 to 17 mph.

    High: 51 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. North wind 5 to 10 mph.

    Low: 31 °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 25.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Saturday Night

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

    Low: 28 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 46. Calm wind.
Veterans Day
Mostly cloudy through mid morning, then gradual clearing, with a high near 69. Light and variable wind becoming west 13 to 18 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 40. Northwest wind 8 to 15 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 51. Northwest wind 9 to 17 mph.
Thursday Night
Mostly clear, with a low around 31. North wind 5 to 10 mph.
Friday
Sunny, with a high near 46.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 49.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Mostly sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mascoutah IL
 38.52°N 89.81°W (Elev. 423 ft)
Last Update:
10:41 pm CST Nov 10, 2026
Forecast Valid:
12am CST Nov 11, 2026-6pm CST Nov 17, 2026
 
Forecast Discussion
 
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Additional Resources

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