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.

Partly Cloudy

71°F

22°C

Humidity 24%
Wind Speed S 14 G 20 mph
Barometer 30.09 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 29 Mar 6:15 pm CDT
Extended Forecast for

Vandalia IL

Red Flag Warning until March 29, 07:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning until March 29, 07:00pm

    NOW until 7:00pm Sun

    Red Flag Warning

  • Tonight

    Low: 55 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 78. Breezy, with a southwest wind 13 to 20 mph, with gusts as high as 28 mph.

    High: 78 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. South wind around 16 mph, with gusts as high as 28 mph.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain between 1pm and 4pm, then a chance of rain and thunderstorms after 4pm. Mostly sunny, with a high near 81. Breezy, with a south wind 16 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 81 °F

    Breezy.
    Partly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1am. Low around 54. South wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%.

    Low: 54 °F

    Chance Rain
    then Rain

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm. High near 65. Chance of precipitation is 80%.

    High: 65 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain and possibly a thunderstorm. Low around 52. Chance of precipitation is 90%.

    Low: 52 °F

    Rain

  • Thursday

    Thursday: Rain. High near 66. Chance of precipitation is 80%.

    High: 66 °F

    Rain

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 55. South wind 8 to 11 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 78. Breezy, with a southwest wind 13 to 20 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 62. South wind around 16 mph, with gusts as high as 28 mph.
Tuesday
A chance of rain between 1pm and 4pm, then a chance of rain and thunderstorms after 4pm. Mostly sunny, with a high near 81. Breezy, with a south wind 16 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1am. Low around 54. South wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%.
Wednesday
Rain and possibly a thunderstorm. High near 65. Chance of precipitation is 80%.
Wednesday Night
Rain and possibly a thunderstorm. Low around 52. Chance of precipitation is 90%.
Thursday
Rain. High near 66. Chance of precipitation is 80%.
Thursday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 71.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 55.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.
Saturday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Sunday
A 40 percent chance of rain. Mostly cloudy, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Vandalia IL
 38.96°N 89.11°W (Elev. 531 ft)
Last Update:
6:01 pm CDT Mar 29, 2026
Forecast Valid:
6pm CDT Mar 29, 2026-6pm CDT Apr 5, 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