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

Unsettled Weather in the Eastern U.S. through Memorial Day

Showers and thunderstorms are expected from Texas to the Northeast through Tuesday. Heavy rain will create mainly localized areas of flash flooding across the central Gulf Coast into the Appalachians. Elevated to Critical fire weather conditions due to gusty winds and low humidity are expected through Tuesday across Oregon and Nevada. Showers and thunderstorms will develop over the Northwest. Read More >

Hazardous Weather Conditions

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

80°F

27°C

Humidity 38%
Wind Speed S 12 mph
Barometer 29.97 in (1014.0 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 25 May 7:53 pm CDT
Extended Forecast for

Grundy Center IA

  • Tonight

    Tonight: Mostly clear, with a low around 60. South wind 9 to 11 mph, with gusts as high as 18 mph.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. South wind around 9 mph.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58. South wind 5 to 7 mph becoming calm in the evening.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming east around 6 mph in the afternoon.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. East northeast wind 3 to 8 mph.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 60. South wind 9 to 11 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 86. South wind around 9 mph.
Tuesday Night
Partly cloudy, with a low around 58. South wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 86. Calm wind becoming east around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 59. East northeast wind 3 to 8 mph.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grundy Center IA
 42.36°N 92.76°W
Last Update:
8:06 pm CDT May 25, 2026
Forecast Valid:
8pm CDT May 25, 2026-6pm CDT Jun 1, 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