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.

Mostly Cloudy and Windy

63°F

17°C

Humidity 48%
Wind Speed NE 32 G 46 mph
Barometer 29.80 in (1009.0 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 26 Mar 1:53 pm CDT
Extended Forecast for

Grundy Center IA

  • This Afternoon

    This Afternoon: A 30 percent chance of rain, mainly before 5pm. Mostly cloudy, with a high near 63. Windy, with a north northeast wind 20 to 22 mph, with gusts as high as 34 mph.

    High: 63 °F

    Chance Rain
    and Windy

  • Tonight

    Tonight: A 20 percent chance of rain before 7pm. Mostly cloudy, with a low around 28. Windy, with a north wind 13 to 22 mph, with gusts as high as 33 mph.

    Low: 28 °F

    Slight Chance
    Rain and
    Windy then
    Partly Cloudy
    and Blustery

  • Friday

    Friday: Sunny, with a high near 46. Windy, with a north northwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 46 °F

    Sunny and
    Windy

  • Friday Night

    Friday Night: Clear, with a low around 20. Blustery, with a north northwest wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.

    Low: 20 °F

    Clear and
    Blustery then
    Clear

  • Saturday

    Saturday: Sunny, with a high near 55. Windy, with a south wind 6 to 11 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 55 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. Breezy.

    Low: 38 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of rain, mainly before 5pm. Mostly cloudy, with a high near 63. Windy, with a north northeast wind 20 to 22 mph, with gusts as high as 34 mph.
Tonight
A 20 percent chance of rain before 7pm. Mostly cloudy, with a low around 28. Windy, with a north wind 13 to 22 mph, with gusts as high as 33 mph.
Friday
Sunny, with a high near 46. Windy, with a north northwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Clear, with a low around 20. Blustery, with a north northwest wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.
Saturday
Sunny, with a high near 55. Windy, with a south wind 6 to 11 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 33 mph.
Saturday Night
Partly cloudy, with a low around 38. Breezy.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 44.
Monday
Mostly sunny, with a high near 74.
Monday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Tuesday
A 30 percent chance of rain. Partly sunny, with a high near 74. Breezy.
Tuesday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 44. Breezy.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 61. 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:
1:57 pm CDT Mar 26, 2026
Forecast Valid:
2pm CDT Mar 26, 2026-6pm CDT Apr 1, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation