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

70°F

21°C

Humidity 35%
Wind Speed S 12 G 21 mph
Barometer 30.21 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 8 Apr 12:55 pm CDT
Extended Forecast for

Vandalia IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 71. South wind 11 to 15 mph, with gusts as high as 23 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. South wind around 10 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76. Southwest wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. South wind 8 to 10 mph.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 70. Southwest wind 7 to 10 mph becoming west in the afternoon. Chance of precipitation is 60%.

    High: 70 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers. Partly sunny, with a high near 70.

    High: 70 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 71. South wind 11 to 15 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 53. South wind around 10 mph.
Thursday
Sunny, with a high near 76. Southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 56. South wind 8 to 10 mph.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 70. Southwest wind 7 to 10 mph becoming west in the afternoon. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 48.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Partly sunny, with a high near 77.
Sunday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Breezy.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 78. Chance of precipitation is 60%.
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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:
12:51 pm CDT Apr 8, 2026
Forecast Valid:
1pm CDT Apr 8, 2026-6pm CDT Apr 14, 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