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

Salem, Salem-Leckrone Airport (KSLO)

Lat: 38.64°NLon: 88.96°WElev: 574ft.

Fair

72°F

22°C

Humidity 30%
Wind Speed W 10 mph
Barometer 29.66 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 18 Feb 2:55 pm CST
Extended Forecast for

4 Miles N Vandalia IL

  • Tonight

    Tonight: Increasing clouds, with a low around 50. South wind around 5 mph becoming calm.

    Low: 50 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Rain and thunderstorms likely, mainly before 2pm. Mostly cloudy, with a high near 65. South wind 5 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

    High: 65 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming clear, with a low around 36. Southwest wind 9 to 16 mph, with gusts as high as 25 mph.

    Low: 36 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 47. West wind 8 to 18 mph, with gusts as high as 26 mph.

    High: 47 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28. Northwest wind 3 to 6 mph.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain and snow after noon. Mostly sunny, with a high near 42. Chance of precipitation is 20%.

    High: 42 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 50. South wind around 5 mph becoming calm.
Thursday
Rain and thunderstorms likely, mainly before 2pm. Mostly cloudy, with a high near 65. South wind 5 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Thursday Night
Mostly cloudy, then gradually becoming clear, with a low around 36. Southwest wind 9 to 16 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 47. West wind 8 to 18 mph, with gusts as high as 26 mph.
Friday Night
Partly cloudy, with a low around 28. Northwest wind 3 to 6 mph.
Saturday
A slight chance of rain and snow after noon. Mostly sunny, with a high near 42. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 23.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
Mostly clear, with a low around 19.
Monday
Sunny, with a high near 36.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Partly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Vandalia IL
 39.03°N 89.1°W (Elev. 538 ft)
Last Update:
2:41 pm CST Feb 18, 2026
Forecast Valid:
3pm CST Feb 18, 2026-6pm CST Feb 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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