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

19°F

-7°C

Humidity 37%
Wind Speed W 15 G 26 mph
Barometer 30.42 in
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 19 Jan 11:35 am CST
Extended Forecast for

Vandalia IL

  • M.L.King Day

    M.L.King Day: Sunny and cold, with a high near 18. Northwest wind 8 to 16 mph, with gusts as high as 26 mph.

    High: 18 °F

    Cold

  • Tonight

    Tonight: Mostly clear, with a low around 11. West wind around 5 mph becoming calm in the evening.

    Low: 11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 33. Light southwest wind becoming south 8 to 13 mph in the morning.

    High: 33 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28. South wind 9 to 16 mph, with gusts as high as 29 mph.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43. West wind 7 to 15 mph, with gusts as high as 24 mph.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 23.

    High: 23 °F

    Mostly Cloudy

Detailed Forecast

M.L.King Day
Sunny and cold, with a high near 18. Northwest wind 8 to 16 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 11. West wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 33. Light southwest wind becoming south 8 to 13 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 28. South wind 9 to 16 mph, with gusts as high as 29 mph.
Wednesday
Mostly sunny, with a high near 43. West wind 7 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 22.
Thursday
Mostly sunny, with a high near 33.
Thursday Night
Mostly cloudy, with a low around 17.
Friday
Mostly cloudy, with a high near 23.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 1.
Saturday
A 20 percent chance of snow. Partly sunny and cold, with a high near 13.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 5.
Sunday
A 20 percent chance of snow. Mostly sunny, with a high near 21.
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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:
10:51 am CST Jan 19, 2026
Forecast Valid:
11am CST Jan 19, 2026-6pm CST Jan 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation