Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Salem, Salem-Leckrone Airport (KSLO)

Lat: 38.64°NLon: 88.96°WElev: 574ft.

74°F

23°C

Humidity 85%
Wind Speed NA
Barometer 29.96 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 18 Aug 11:35 pm CDT
Extended Forecast for

2 Miles W Hagarstown IL

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly after 5am.  Increasing clouds, with a low around 67. Calm wind.  Chance of precipitation is 60%.

    Low: 67 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly between 7am and 9am.  Cloudy, then gradually becoming mostly sunny, with a high near 80. Light and variable wind.  Chance of precipitation is 70%.

    High: 80 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms, mainly before 11pm.  Mostly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 82. Calm wind becoming north around 5 mph.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms.  Mostly clear, with a low around 64.

    Low: 64 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 84.

    High: 84 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly after 5am. Increasing clouds, with a low around 67. Calm wind. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely, mainly between 7am and 9am. Cloudy, then gradually becoming mostly sunny, with a high near 80. Light and variable wind. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 66. Calm wind.
Thursday
Mostly sunny, with a high near 82. Calm wind becoming north around 5 mph.
Thursday Night
Mostly clear, with a low around 62. Calm wind.
Friday
Sunny, with a high near 84.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 64.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Sunny, with a high near 81.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 61.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 82.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Hagarstown IL
 38.99°N 89.22°W (Elev. 548 ft)
10:26 pm CDT Aug 18, 2026
11pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database