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

71°F

22°C

Humidity 81%
Wind Speed S 16 G 23 mph
Barometer 29.79 in (1008.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 13 Apr 11:53 am CDT
Extended Forecast for

Grundy Center IA

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms between 1pm and 2pm. Mostly cloudy, with a high near 77. Breezy, with a south wind 15 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 57. Breezy, with a south wind 10 to 18 mph, with gusts as high as 28 mph.

    Low: 57 °F

    Breezy.
    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after noon. Patchy fog before 9am. Otherwise, partly sunny, with a high near 78. South wind 6 to 11 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 56. North wind 6 to 9 mph becoming south southeast after midnight. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 56 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 73. East wind 6 to 13 mph becoming south in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers. Sunny, with a high near 75.

    High: 75 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 79. Windy. Chance of precipitation is 60%.

    High: 79 °F

    Mostly Sunny
    and Breezy
    then Showers
    Likely and
    Windy

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms between 1pm and 2pm. Mostly cloudy, with a high near 77. Breezy, with a south wind 15 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 57. Breezy, with a south wind 10 to 18 mph, with gusts as high as 28 mph.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after noon. Patchy fog before 9am. Otherwise, partly sunny, with a high near 78. South wind 6 to 11 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 56. North wind 6 to 9 mph becoming south southeast after midnight. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 73. East wind 6 to 13 mph becoming south in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 20 percent chance of showers. Sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 57.
Friday
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 79. Windy. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 40. Breezy. Chance of precipitation is 70%.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 52. Windy.
Saturday Night
Partly cloudy, with a low around 32. Breezy.
Sunday
Sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Grundy Center IA
 42.36°N 92.76°W
Last Update:
12:02 pm CDT Apr 13, 2026
Forecast Valid:
12pm CDT Apr 13, 2026-6pm CDT Apr 19, 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