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

Widespread Precipitation and Gusty Winds in the West; Snow from the Great Lakes to the Northeast

A Pacific storm system is expected to bring strong winds and more precipitation to the western U.S., along with the likelihood of snowfall into the Sierra Nevada. Accumulating snow will develop downwind from the Great Lakes into parts of the Northeast through Saturday. Polar air will surge into the eastern half of the country this weekend. Read More >

Current conditions at

Salem, Salem-Leckrone Airport (KSLO)

Lat: 38.64°NLon: 88.96°WElev: 574ft.

Fair

37°F

3°C

Humidity 73%
Wind Speed NA
Barometer 30.02 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 12 Nov 11:55 pm CST
Extended Forecast for

4 Miles E Vandalia IL

  • Tonight

    Tonight: Partly cloudy, with a low around 31. Northwest wind around 8 mph, with gusts as high as 21 mph.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 45. North wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 45 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Cloudy during the early evening, then gradual clearing, with a low around 24. North wind 5 to 8 mph.

    Low: 24 °F

    Gradual
    Clearing

  • Saturday

    Saturday: Sunny, with a high near 49. North wind 5 to 7 mph becoming calm in the afternoon.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 25. Calm wind.

    Low: 25 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Sunday Night

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

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 28.

    Low: 28 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 31. Northwest wind around 8 mph, with gusts as high as 21 mph.
Friday
Increasing clouds, with a high near 45. North wind 9 to 14 mph, with gusts as high as 23 mph.
Friday Night
Cloudy during the early evening, then gradual clearing, with a low around 24. North wind 5 to 8 mph.
Saturday
Sunny, with a high near 49. North wind 5 to 7 mph becoming calm in the afternoon.
Saturday Night
Clear, with a low around 25. Calm wind.
Sunday
Sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 27.
Monday
Sunny, with a high near 53.
Monday Night
Clear, with a low around 28.
Tuesday
Sunny, with a high near 56.
Tuesday Night
Clear, with a low around 28.
Wednesday
Sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Vandalia IL
 38.98°N 89.02°W (Elev. 522 ft)
Last Update:
11:21 pm CST Nov 12, 2026
Forecast Valid:
11pm CST Nov 12, 2026-6pm CST Nov 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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