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

51°F

11°C

Humidity 55%
Wind Speed NW 8 G 16 mph
Barometer 30.29 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 5 Apr 11:35 am CDT
Extended Forecast for

Vandalia IL

  • Today

    Today: Sunny, with a high near 55. Northwest wind around 14 mph, with gusts as high as 22 mph.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 39. Northwest wind 5 to 7 mph becoming light and variable.

    Low: 39 °F

    Clear

  • Monday

    Monday: Mostly sunny, with a high near 59. Northwest wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 59 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35. North wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 49. East wind 6 to 8 mph.

    High: 49 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 55. Northwest wind around 14 mph, with gusts as high as 22 mph.
Tonight
Clear, with a low around 39. Northwest wind 5 to 7 mph becoming light and variable.
Monday
Mostly sunny, with a high near 59. Northwest wind 7 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 35. North wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 49. East wind 6 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 72.
Thursday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 53.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 73.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 54.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74.
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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:
9:51 am CDT Apr 5, 2026
Forecast Valid:
11am CDT Apr 5, 2026-6pm CDT Apr 11, 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