Current conditions at
Marshalltown, Marshalltown Municipal Airport (KMIW)
Lat: 42.11°NLon: 92.92°WElev: 971ft.
Fair
64°F
18°C
| Humidity | 37% |
| Wind Speed | S 20 G 28 mph |
| Barometer | 29.90 in (1012.7 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 29 Mar 5:53 pm CDT |
Extended Forecast for
Grundy Center IA
Tonight

Low: 44 °F
Clear
Monday

High: 81 °F
Increasing
CloudsMonday Night

Low: 56 °F
Chance
T-stormsTuesday

High: 69 °F
Chance Rain
and WindyTuesday Night

Low: 33 °F
Mostly Cloudy
and WindyWednesday
High: 46 °F
Mostly Cloudy
then Chance
Showers and
BreezyWednesday Night

Low: 30 °F
Rain/Snow and
BlusteryThursday

High: 43 °F
Rain/Snow
Likely and
BreezyThursday Night

Low: 31 °F
Chance Rain
Detailed Forecast
Tonight
Clear, with a low around 44. West wind 5 to 9 mph becoming south in the evening.
Monday
Increasing clouds, with a high near 81. South wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 56. South southwest wind around 14 mph, with gusts as high as 21 mph. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A chance of rain and thunderstorms. Partly sunny, with a high near 69. Windy, with a south southwest wind 15 to 25 mph becoming north northwest in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Mostly cloudy, with a low around 33. Windy, with a north wind 14 to 22 mph, with gusts as high as 30 mph.
Wednesday
A 40 percent chance of showers after 1pm. Mostly cloudy, with a high near 46. Breezy. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain and snow. Low around 30. Blustery. Chance of precipitation is 80%.
Thursday
Rain and snow likely. Mostly cloudy, with a high near 43. Breezy. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 31.
Friday
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 55. Breezy.
Friday Night
Rain and thunderstorms likely. Mostly cloudy, with a low around 42. Breezy. Chance of precipitation is 60%.
Saturday
Rain likely. Mostly cloudy, with a high near 54. Windy. Chance of precipitation is 70%.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 33. Breezy.
Sunday
Mostly sunny, with a high near 50. Windy.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Grundy Center IA
42.36°N 92.76°W
42.36°N 92.76°W
6:12 pm CDT Mar 29, 2026
6pm CDT Mar 29, 2026-6pm CDT Apr 5, 2026


