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.

Fog/Mist

31°F

-1°C

Humidity 98%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 31°F (-1°C)
Visibility 2.00 mi
Last update 7 Jan 6:55 am CST
Extended Forecast for

Vandalia IL

  • Today

    Today: Areas of fog before 9am. Otherwise, sunny, with a high near 58. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 58 °F

    Areas Fog
    then Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 42. South wind 6 to 8 mph.

    Low: 42 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Rain, mainly after 4pm. High near 63. South wind 9 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.

    High: 63 °F

    Chance Rain
    then Rain

  • Thursday Night

    Thursday Night: Rain, mainly before midnight. Low around 53. South wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.

    Low: 53 °F

    Rain then
    Chance Rain

  • Friday

    Friday: A 20 percent chance of rain after noon. Partly sunny, with a high near 59. Southwest wind 6 to 10 mph becoming north in the afternoon.

    High: 59 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

  • Saturday

    Saturday: A 20 percent chance of rain before noon. Partly sunny, with a high near 45.

    High: 45 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

Detailed Forecast

Today
Areas of fog before 9am. Otherwise, sunny, with a high near 58. Calm wind becoming south 5 to 7 mph in the afternoon.
Tonight
Increasing clouds, with a low around 42. South wind 6 to 8 mph.
Thursday
Rain, mainly after 4pm. High near 63. South wind 9 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.
Thursday Night
Rain, mainly before midnight. Low around 53. South wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Friday
A 20 percent chance of rain after noon. Partly sunny, with a high near 59. Southwest wind 6 to 10 mph becoming north in the afternoon.
Friday Night
A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 41.
Saturday
A 20 percent chance of rain before noon. Partly sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 32.
Sunday Night
Mostly clear, with a low around 21.
Monday
Sunny, with a high near 42.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 48.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Vandalia IL
 38.96°N 89.11°W (Elev. 531 ft)
Last Update:
4:46 am CST Jan 7, 2026
Forecast Valid:
7am CST Jan 7, 2026-6pm CST Jan 13, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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