Current conditions at
Marshalltown, Marshalltown Municipal Airport (KMIW)
Lat: 42.11°NLon: 92.92°WElev: 971ft.
Fair
36°F
2°C
| Humidity | 64% |
| Wind Speed | NE 8 mph |
| Barometer | 30.46 in (1032.5 mb) |
| Dewpoint | 25°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 30°F (-1°C) |
| Last update | 23 Mar 9:53 am CDT |
Extended Forecast for
Grundy Center IA
Today

High: 50 °F
Sunny
Tonight

Low: 34 °F
Decreasing
CloudsTuesday

High: 59 °F
Mostly Sunny
Tuesday Night

Low: 42 °F
Mostly Cloudy
Wednesday

High: 71 °F
Partly Sunny
Wednesday Night

Low: 50 °F
Mostly Clear
Thursday
High: 69 °F
Mostly Sunny
then Slight
Chance Rain
and BreezyThursday Night

Low: 30 °F
Mostly Cloudy
and BlusteryFriday

High: 46 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 50. Calm wind becoming south southeast around 6 mph in the afternoon.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 34. South wind 7 to 10 mph.
Tuesday
Mostly sunny, with a high near 59. South wind 9 to 13 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 42. South southeast wind around 10 mph.
Wednesday
Partly sunny, with a high near 71. South southwest wind around 10 mph.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
A 20 percent chance of rain after 1pm. Partly sunny, with a high near 69. Breezy.
Thursday Night
Mostly cloudy, with a low around 30. Blustery.
Friday
Mostly sunny, with a high near 46.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 62.
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
7:47 am CDT Mar 23, 2026
10am CDT Mar 23, 2026-6pm CDT Mar 29, 2026


