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.

Overcast and Breezy

44°F

7°C

Humidity 68%
Wind Speed E 21 G 28 mph
Barometer 30.13 in (1020.7 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 1 Apr 9:53 am CDT
Extended Forecast for

Grundy Center IA

  • Today

    Today: A slight chance of showers before 2pm, then a slight chance of showers after 4pm. Mostly cloudy, with a high near 51. Breezy, with an east wind 16 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 51 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: Showers, mainly after 7pm. Low around 37. Breezy, with an east wind 18 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 37 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 62. Windy, with an east southeast wind 17 to 22 mph becoming southwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 62 °F

    Showers and
    Windy

  • Thursday Night

    Thursday Night: A slight chance of thunderstorms before 7pm. Mostly cloudy, with a low around 34. Breezy, with a west wind 13 to 18 mph becoming north northwest 6 to 11 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 10%.

    Low: 34 °F

    Slight Chance
    T-storms and
    Breezy then
    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 62. East wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Chance
    T-storms then
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 36. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 36 °F

    T-storms then
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers. Mostly cloudy, with a high near 45. Windy.

    High: 45 °F

    Slight Chance
    Showers and
    Windy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 29. Windy.

    Low: 29 °F

    Mostly Cloudy
    and Windy

  • Sunday

    Sunday: Mostly sunny, with a high near 50. Breezy.

    High: 50 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Today
A slight chance of showers before 2pm, then a slight chance of showers after 4pm. Mostly cloudy, with a high near 51. Breezy, with an east wind 16 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
Showers, mainly after 7pm. Low around 37. Breezy, with an east wind 18 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Thursday
Showers and possibly a thunderstorm. High near 62. Windy, with an east southeast wind 17 to 22 mph becoming southwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Thursday Night
A slight chance of thunderstorms before 7pm. Mostly cloudy, with a low around 34. Breezy, with a west wind 13 to 18 mph becoming north northwest 6 to 11 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 10%.
Friday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 62. East wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 36. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 20 percent chance of showers. Mostly cloudy, with a high near 45. Windy.
Saturday Night
Mostly cloudy, with a low around 29. Windy.
Sunday
Mostly sunny, with a high near 50. Breezy.
Sunday Night
Mostly clear, with a low around 31.
Monday
Partly sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grundy Center IA
 42.36°N 92.76°W
Last Update:
6:51 am CDT Apr 1, 2026
Forecast Valid:
10am CDT Apr 1, 2026-6pm CDT Apr 7, 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