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

77°F

25°C

Humidity 86%
Wind Speed S 6 mph
Barometer 30.09 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 22 Jun 5:35 am CDT
Extended Forecast for

2 Miles SSE Vandalia IL

Heat Advisory June 22, 05:53am until June 24, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 22, 05:53am until June 24, 09:00pm

    NOW until 9:00pm Tue

    Heat Advisory

  • Today

    High: 93 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 75. South wind 6 to 8 mph.

    Low: 75 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 93. South wind 5 to 8 mph.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 92 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74.

    Low: 74 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 93. Heat index values as high as 101. South wind 6 to 11 mph.
Tonight
Clear, with a low around 75. South wind 6 to 8 mph.
Monday
Sunny, with a high near 93. South wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 74.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Vandalia IL
 38.96°N 89.08°W (Elev. 466 ft)
Last Update:
4:21 am CDT Jun 22, 2025
Forecast Valid:
5am CDT Jun 22, 2025-6pm CDT Jun 28, 2025
 
Forecast Discussion
 
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Additional Resources

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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