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.

Partly Cloudy

11°F

-12°C

Humidity 33%
Wind Speed N 13 G 18 mph
Barometer 30.66 in
Dewpoint -12°F (-24°C)
Visibility 10.00 mi
Wind Chill-4°F (-20°C)
Last update 23 Jan 2:55 pm CST
Extended Forecast for

Vandalia IL

Cold Weather Advisory January 23, 03:13pm until January 24, 12:00pm
Winter Storm Warning January 24, 12:00am until January 25, 06:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning
  •  
    Cold Weather Advisory January 23, 03:13pm until January 24, 12:00pm

    NOW until 12:00pm Sat

    Cold Weather Advisory

  • Tonight

    Low: 2 °F

    Mostly Cloudy

  • Saturday

    Saturday: Snow, mainly after 1pm. High near 12. Wind chill values as low as -10. Northeast wind 9 to 11 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 12 °F

    Chance Snow
    then Snow

  • Saturday Night

    Saturday Night: Snow, mainly after 9pm. Low around 9. Northeast wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 9 °F

    Snow

  • Sunday

    Sunday: Snow. High near 15. North wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 15 °F

    Snow then
    Snow Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around -1. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: -1 °F

    Chance Snow
    then Partly
    Cloudy

  • Monday

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

    High: 12 °F

    Cold

  • Monday Night

    Monday Night: Mostly clear, with a low around 1.

    Low: 1 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around 2. Wind chill values as low as -10. Northeast wind 10 to 13 mph, with gusts as high as 20 mph.
Saturday
Snow, mainly after 1pm. High near 12. Wind chill values as low as -10. Northeast wind 9 to 11 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
Snow, mainly after 9pm. Low around 9. Northeast wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday
Snow. High near 15. North wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around -1. Northwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny and cold, with a high near 12.
Monday Night
Mostly clear, with a low around 1.
Tuesday
Mostly sunny, with a high near 27.
Tuesday Night
Partly cloudy, with a low around 2.
Wednesday
Partly sunny and cold, with a high near 20.
Wednesday Night
Partly cloudy, with a low around 1.
Thursday
Mostly sunny and cold, with a high near 15.
Thursday Night
Partly cloudy, with a low around 1.
Friday
Mostly sunny and cold, with a high near 18.
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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:
1:31 pm CST Jan 23, 2026
Forecast Valid:
3pm CST Jan 23, 2026-6pm CST Jan 30, 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