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

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Fair

70°F

21°C

Humidity 91%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 19 Aug 12:15 am CDT
Extended Forecast for

3 Miles ENE McNabb IL

  • Overnight

    Overnight: A 30 percent chance of showers before 1am.  Mostly cloudy, with a low around 67. Calm wind becoming west around 5 mph.

    Low: 67 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms between 1pm and 2pm.  Mostly cloudy, then gradually becoming sunny, with a high near 80. Calm wind becoming north around 5 mph.  Chance of precipitation is 20%.

    High: 80 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 61. Calm wind becoming northeast around 5 mph.

    Low: 61 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 79. Calm wind becoming east around 5 mph.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

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

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 67. Calm wind becoming west around 5 mph.
Wednesday
A slight chance of showers and thunderstorms between 1pm and 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 80. Calm wind becoming north around 5 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 61. Calm wind becoming northeast around 5 mph.
Thursday
Sunny, with a high near 79. Calm wind becoming east around 5 mph.
Thursday Night
Mostly clear, with a low around 61.
Friday
Mostly sunny, with a high near 80.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE McNabb IL
 41.19°N 89.15°W (Elev. 741 ft)
11:31 pm CDT Aug 18, 2026
12am CDT Aug 19, 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