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 >

Hazardous Weather Conditions

Current conditions at

Muscatine (KMUT)

Lat: 41.37°NLon: 91.15°WElev: 548ft.

73°F

23°C

Humidity 94%
Wind Speed SW 6 mph
Barometer 29.93 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 18 Aug 8:55 pm CDT
Extended Forecast for

4 Miles SE Grandview IA

  • Tonight

    Tonight: A chance of showers and thunderstorms between 3am and 4am, then a slight chance of showers.  Mostly cloudy, with a low around 67. West wind around 5 mph becoming calm.  Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Partly sunny, with a high near 82. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 82 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 8pm and 9pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 62. North wind around 5 mph becoming calm.  Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 82. Calm wind becoming southeast around 5 mph.

    High: 82 °F

    Sunny

  • Thursday Night

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

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

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

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms between 3am and 4am, then a slight chance of showers. Mostly cloudy, with a low around 67. West wind around 5 mph becoming calm. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 82. Calm wind becoming northeast around 5 mph in the afternoon.
Wednesday Night
A slight chance of showers between 8pm and 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 62. North wind around 5 mph becoming calm. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 82. Calm wind becoming southeast around 5 mph.
Thursday Night
Mostly clear, with a low around 64.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Mostly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Grandview IA
 41.24°N 91.13°W (Elev. 541 ft)
8:16 pm CDT Aug 18, 2026
9pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026
 
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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