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

Severe Thunderstorms and Heavy Rainfall Today from the Central Plains into the Tennessee Valley

Severe thunderstorms capable of damaging winds will be possible from the Ozark Plateau east into portions of the Southeast today. Rounds of heavy thunderstorms ahead of a slow moving front will continue locally heavy rainfall and scattered flash flooding potential from the Ozarks to the Ohio and Tennessee Valleys today. Read More >

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

83°F

28°C

Humidity 51%
Wind Speed E 8 mph
Barometer 30.10 in (1018.7 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 11 Jul 5:53 pm CDT
Extended Forecast for

Grundy Center IA

  • Tonight

    Tonight: Clear, with a low around 62. East wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 86. Calm wind.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 64. Calm wind.

    Low: 64 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 89. Light west southwest wind.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 66. Calm wind.

    Low: 66 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 68.

    Low: 68 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 62. East wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 86. Calm wind.
Sunday Night
Clear, with a low around 64. Calm wind.
Monday
Sunny, with a high near 89. Light west southwest wind.
Monday Night
Clear, with a low around 66. Calm wind.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Clear, with a low around 68.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 71.
Friday
Sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grundy Center IA
 42.36°N 92.79°W
Last Update:
6:06 pm CDT Jul 11, 2026
Forecast Valid:
7pm CDT Jul 11, 2026-6pm CDT Jul 18, 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