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.

Overcast

37°F

3°C

Humidity 28%
Wind Speed Calm
Barometer 30.28 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 22 Jan 2:35 pm CST
Extended Forecast for

Vandalia IL

Cold Weather Advisory January 23, 03:00am 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

  • This Afternoon

    This Afternoon: Mostly cloudy early, then becoming sunny, with a high near 36. West wind 3 to 6 mph.

    High: 36 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 7. Light and variable wind becoming north 11 to 16 mph in the evening. Winds could gust as high as 25 mph.

    Low: 7 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near 11. Wind chill values as low as -10. North wind 13 to 17 mph, with gusts as high as 25 mph.

    High: 11 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 4. Wind chill values as low as -10. Northeast wind around 11 mph.

    Low: 4 °F

    Mostly Cloudy

  • Saturday

    Saturday: Snow, mainly after noon. High near 11. Northeast wind 8 to 10 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 11 °F

    Chance Snow
    then Snow

  • Saturday Night

    Saturday Night: Snow. Low around 9. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 9 °F

    Snow

  • Sunday

    Sunday: Snow. High near 15. Chance of precipitation is 80%.

    High: 15 °F

    Snow

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around -1.

    Low: -1 °F

    Chance Snow
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny and cold, with a high near 13.

    High: 13 °F

    Cold

Detailed Forecast

This Afternoon
Mostly cloudy early, then becoming sunny, with a high near 36. West wind 3 to 6 mph.
Tonight
Partly cloudy, with a low around 7. Light and variable wind becoming north 11 to 16 mph in the evening. Winds could gust as high as 25 mph.
Friday
Partly sunny and cold, with a high near 11. Wind chill values as low as -10. North wind 13 to 17 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 4. Wind chill values as low as -10. Northeast wind around 11 mph.
Saturday
Snow, mainly after noon. High near 11. Northeast wind 8 to 10 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
Snow. Low around 9. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Sunday
Snow. High near 15. Chance of precipitation is 80%.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around -1.
Monday
Mostly sunny and cold, with a high near 13.
Monday Night
Mostly clear, with a low around 1.
Tuesday
Mostly sunny, with a high near 27.
Tuesday Night
Mostly cloudy, with a low around 11.
Wednesday
Partly sunny, with a high near 23.
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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:
1:26 pm CST Jan 22, 2026
Forecast Valid:
2pm CST Jan 22, 2026-6pm CST Jan 28, 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