National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Current conditions at

Salem, Salem-Leckrone Airport (KSLO)

Lat: 38.64°NLon: 88.96°WElev: 574ft.

Fair

83°F

28°C

Humidity 50%
Wind Speed NA
Barometer 30.09 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 25 Aug 1:35 pm CDT
Extended Forecast for

Salem IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 85. Calm wind.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 86. Calm wind becoming north around 6 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 85. Calm wind.
Tonight
Mostly cloudy, with a low around 65. Calm wind.
Wednesday
Mostly sunny, with a high near 88. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 66. Calm wind.
Thursday
Mostly sunny, with a high near 86. Calm wind becoming north around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 85.
Friday Night
Clear, with a low around 61.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 71.
Monday
Mostly sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Salem IL
 38.62°N 88.95°W (Elev. 531 ft)
Last Update:
1:26 pm CDT Aug 25, 2026
Forecast Valid:
1pm CDT Aug 25, 2026-6pm CDT Aug 31, 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