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

Hazardous Weather Conditions

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

A Few Clouds

44°F

7°C

Humidity 23%
Wind Speed S 16 mph
Barometer 30.46 in (1032.4 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 28 Mar 12:53 pm CDT
Extended Forecast for

Grundy Center IA

Red Flag Warning March 28, 01:33pm until March 28, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning March 28, 01:33pm until March 28, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • This Afternoon

    High: 55 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Partly cloudy, with a low around 37. Breezy, with a south wind 13 to 17 mph, with gusts as high as 28 mph.

    Low: 37 °F

    Partly Cloudy
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 68. Breezy, with a south southwest wind 11 to 16 mph, with gusts as high as 21 mph.

    High: 68 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. South wind 6 to 10 mph.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 81. Breezy, with a south wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 81 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: A 40 percent chance of showers. Partly cloudy, with a low around 51. Breezy. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Chance
    Showers and
    Breezy

  • Tuesday

    Tuesday: A 40 percent chance of showers. Mostly cloudy, with a high near 64. Windy.

    High: 64 °F

    Chance
    Showers and
    Windy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 30. Windy.

    Low: 30 °F

    Slight Chance
    Showers and
    Windy

Detailed Forecast

This Afternoon
Sunny, with a high near 55. Windy, with a south southwest wind 18 to 25 mph, with gusts as high as 34 mph.
Tonight
Partly cloudy, with a low around 37. Breezy, with a south wind 13 to 17 mph, with gusts as high as 28 mph.
Sunday
Sunny, with a high near 68. Breezy, with a south southwest wind 11 to 16 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 44. South wind 6 to 10 mph.
Monday
Mostly sunny, with a high near 81. Breezy, with a south wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 23 mph.
Monday Night
A 40 percent chance of showers. Partly cloudy, with a low around 51. Breezy. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 64. Windy.
Tuesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 30. Windy.
Wednesday
Sunny, with a high near 49.
Wednesday Night
Partly cloudy, with a low around 30.
Thursday
A chance of rain and snow showers. Mostly sunny, with a high near 50. Breezy. Chance of precipitation is 30%.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 36. Breezy.
Friday
A 30 percent chance of showers. Mostly cloudy, with a high near 58. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grundy Center IA
 42.36°N 92.76°W
Last Update:
1:17 pm CDT Mar 28, 2026
Forecast Valid:
1pm CDT Mar 28, 2026-6pm CDT Apr 3, 2026
 
Forecast Discussion
 
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Additional Resources

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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