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

47°F

8°C

Humidity 66%
Wind Speed SE 9 mph
Barometer 30.30 in (1026.5 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 11 Apr 9:53 am CDT
Extended Forecast for

Grundy Center IA

  • Today

    Today: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 5pm, then a chance of showers and thunderstorms after 5pm. Cloudy, with a high near 52. Breezy, with a southeast wind 11 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 52 °F

    Chance
    Showers then
    Showers
    Likely and
    Breezy

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 9pm. Mostly cloudy, with a temperature rising to around 58 by 5am. Breezy, with a south southeast wind 17 to 20 mph, with gusts as high as 28 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F⇑

    Chance
    T-storms and
    Breezy

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 70. Windy, with a south southwest wind 20 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Windy. Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 58. Breezy, with a southwest wind 11 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Chance
    T-storms and
    Breezy then
    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78. Breezy, with a south southwest wind 8 to 17 mph, with gusts as high as 23 mph.

    High: 78 °F

    Partly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Breezy. Chance of precipitation is 50%.

    High: 84 °F

    Slight Chance
    Showers then
    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 56. Breezy. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely and
    Breezy

  • Wednesday

    Wednesday: A 40 percent chance of showers. Mostly sunny, with a high near 76.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

Today
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 5pm, then a chance of showers and thunderstorms after 5pm. Cloudy, with a high near 52. Breezy, with a southeast wind 11 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 9pm. Mostly cloudy, with a temperature rising to around 58 by 5am. Breezy, with a south southeast wind 17 to 20 mph, with gusts as high as 28 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 70. Windy, with a south southwest wind 20 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 58. Breezy, with a southwest wind 11 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78. Breezy, with a south southwest wind 8 to 17 mph, with gusts as high as 23 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Breezy. Chance of precipitation is 50%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 56. Breezy. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers. Mostly sunny, with a high near 76.
Wednesday Night
A 40 percent chance of showers. Partly cloudy, with a low around 54.
Thursday
A 30 percent chance of showers. Sunny, with a high near 78.
Thursday Night
A 30 percent chance of showers. Mostly clear, with a low around 52.
Friday
A 50 percent chance of showers. Mostly sunny, with a high near 72. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Grundy Center IA
 42.36°N 92.76°W
Last Update:
8:57 am CDT Apr 11, 2026
Forecast Valid:
10am CDT Apr 11, 2026-6pm CDT Apr 17, 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