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

61°F

16°C

Humidity 36%
Wind Speed NW 16 G 21 mph
Barometer 30.31 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 6 Apr 12:35 pm CDT
Extended Forecast for

Vandalia IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 59. Northwest wind around 10 mph.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 4am. Increasing clouds, with a low around 36. North wind 6 to 8 mph.

    Low: 36 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of rain and snow showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 50. Northeast wind 7 to 9 mph. Chance of precipitation is 30%.

    High: 50 °F

    Chance
    Rain/Snow
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37. Southeast wind 6 to 8 mph.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 69. South wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 69 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.

    High: 70 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 59. Northwest wind around 10 mph.
Tonight
A 20 percent chance of showers after 4am. Increasing clouds, with a low around 36. North wind 6 to 8 mph.
Tuesday
A chance of rain and snow showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 50. Northeast wind 7 to 9 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 37. Southeast wind 6 to 8 mph.
Wednesday
Partly sunny, with a high near 69. South wind 8 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 67.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 59.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78.
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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:
11:01 am CDT Apr 6, 2026
Forecast Valid:
12pm CDT Apr 6, 2026-6pm CDT Apr 12, 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