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

81°F

27°C

Humidity 64%
Wind Speed NA
Barometer 29.86 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 21 Jun 11:15 am CDT
Extended Forecast for

4 Miles ESE Vandalia IL

Flood Watch June 21, 11:38am until June 22, 01:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch June 21, 11:38am until June 22, 01:00am

    NOW until 1:00am Mon

    Flood Watch

  • Today

    High: 82 °F

    Heavy Rain

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then isolated showers between 2am and 4am. Some of the storms could produce heavy rainfall. Cloudy, with a low around 63. South wind 7 to 11 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 60%.

    Low: 63 °F

    Heavy Rain
    then
    Scattered
    Showers

  • Monday

    Monday: Mostly cloudy, with a high near 75. North wind around 10 mph.

    High: 75 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58. North wind 3 to 7 mph.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 79. Light northeast wind.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62.

    Low: 62 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms. Some of the storms could produce heavy rainfall. High near 82. South wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Tonight
Showers and thunderstorms likely before 2am, then isolated showers between 2am and 4am. Some of the storms could produce heavy rainfall. Cloudy, with a low around 63. South wind 7 to 11 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 60%.
Monday
Mostly cloudy, with a high near 75. North wind around 10 mph.
Monday Night
Partly cloudy, with a low around 58. North wind 3 to 7 mph.
Tuesday
Sunny, with a high near 79. Light northeast wind.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Vandalia IL
 38.96°N 89.02°W (Elev. 499 ft)
Last Update:
11:11 am CDT Jun 21, 2026
Forecast Valid:
11am CDT Jun 21, 2026-6pm CDT Jun 27, 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