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

50°F

10°C

Humidity 82%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 6 May 9:15 pm CDT
Extended Forecast for

4 Miles N Vandalia IL

  • Tonight

    Tonight: Increasing clouds, with a low around 39. Northwest wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 64. Light and variable wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 21 mph.

    High: 64 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. South wind 6 to 8 mph.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 69. Southwest wind 6 to 10 mph. Chance of precipitation is 50%.

    High: 69 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 10pm, then showers between 10pm and 1am. Low around 49. Light west wind. Chance of precipitation is 80%.

    Low: 49 °F

    Showers

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Clear
    then Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 69.

    High: 69 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 39. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 64. Light and variable wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
Mostly clear, with a low around 46. South wind 6 to 8 mph.
Friday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 69. Southwest wind 6 to 10 mph. Chance of precipitation is 50%.
Friday Night
Showers and possibly a thunderstorm before 10pm, then showers between 10pm and 1am. Low around 49. Light west wind. Chance of precipitation is 80%.
Saturday
Sunny, with a high near 75.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 56.
Sunday
A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 67.
Monday Night
A 20 percent chance of showers. Mostly clear, with a low around 49.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 74.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Vandalia IL
 39.03°N 89.1°W (Elev. 538 ft)
Last Update:
7:46 pm CDT May 6, 2026
Forecast Valid:
9pm CDT May 6, 2026-6pm CDT May 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation