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

Hazardous Weather Conditions

Current conditions at

Salem, Salem-Leckrone Airport (KSLO)

Lat: 38.64°NLon: 88.96°WElev: 574ft.

Fair

9°F

-13°C

Humidity 60%
Wind Speed S 8 mph
Barometer 30.38 in
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Wind Chill-3°F (-19°C)
Last update 26 Jan 8:15 pm CST
Extended Forecast for

Vandalia IL

Cold Weather Advisory until January 27, 06:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until January 27, 06:00am

    NOW until 6:00am Tue

    Cold Weather Advisory

  • Tonight

    Low: 1 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 26. Southwest wind 8 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 26 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around -3. Northwest wind around 5 mph becoming calm in the evening.

    Low: -3 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 24. Calm wind becoming west 5 to 7 mph.

    High: 24 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 4. Calm wind.

    Low: 4 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy and cold, with a high near 16.

    High: 16 °F

    Cold

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -2.

    Low: -2 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near 12.

    High: 12 °F

    Cold

Detailed Forecast

Tonight
Mostly clear, with a low around 1. Wind chill values as low as -15. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 26. Southwest wind 8 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Mostly clear, with a low around -3. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Increasing clouds, with a high near 24. Calm wind becoming west 5 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 4. Calm wind.
Thursday
Mostly cloudy and cold, with a high near 16.
Thursday Night
Partly cloudy, with a low around -2.
Friday
Mostly sunny and cold, with a high near 12.
Friday Night
Mostly clear, with a low around -2.
Saturday
Mostly sunny and cold, with a high near 18.
Saturday Night
Partly cloudy, with a low around 0.
Sunday
Mostly sunny, with a high near 23.
Sunday Night
Mostly cloudy, with a low around 10.
Monday
Partly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Vandalia IL
 38.96°N 89.11°W (Elev. 531 ft)
Last Update:
7:46 pm CST Jan 26, 2026
Forecast Valid:
8pm CST Jan 26, 2026-6pm CST Feb 2, 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