Hazardous Weather Conditions
Current conditions at
Marshalltown, Marshalltown Municipal Airport (KMIW)
Lat: 42.11°NLon: 92.92°WElev: 971ft.
Fair
33°F
1°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 29.98 in (1015.6 mb) |
| Dewpoint | 33°F (1°C) |
| Visibility | 9.00 mi |
| Last update | 19 Mar 6:53 am CDT |
Extended Forecast for
Grundy Center IA
Today

High: 61 °F
Mostly Sunny
Tonight

Low: 42 °F
Partly Cloudy
Friday

High: 68 °F
Mostly Sunny
Friday Night

Low: 42 °F
Partly Cloudy
Saturday

High: 75 °F
Sunny
Saturday Night

Low: 46 °F
Partly Cloudy
Sunday

High: 56 °F
Partly Sunny
and WindySunday Night
Low: 28 °F
Partly Cloudy
and Blustery
then Mostly
ClearMonday

High: 47 °F
Mostly Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 61. North wind around 6 mph becoming light and variable in the afternoon.
Tonight
Partly cloudy, with a low around 42. South wind 5 to 10 mph becoming west southwest after midnight.
Friday
Mostly sunny, with a high near 68. Northwest wind around 9 mph.
Friday Night
Partly cloudy, with a low around 42. Northwest wind around 6 mph becoming southwest after midnight.
Saturday
Sunny, with a high near 75. Southwest wind 6 to 13 mph.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Partly sunny, with a high near 56. Windy.
Sunday Night
Partly cloudy, with a low around 28. Blustery.
Monday
Mostly sunny, with a high near 47.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Mostly cloudy, with a high near 55.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 64. Breezy.
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
5:43 am CDT Mar 19, 2026
7am CDT Mar 19, 2026-6pm CDT Mar 25, 2026



