Current conditions at
Marshalltown, Marshalltown Municipal Airport (KMIW)
Lat: 42.11°NLon: 92.92°WElev: 971ft.
Fair
84°F
29°C
| Humidity | 41% |
| Wind Speed | S 9 mph |
| Barometer | 30.13 in (1019.6 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | 10.00 mi |
| Heat Index | 83°F (28°C) |
| Last update | 29 Sep 4:53 pm CDT |
Extended Forecast for
Grundy Center IA
Tonight
Low: 59 °F
Partly Cloudy
Tuesday
High: 84 °F
Mostly Sunny
Tuesday Night
Low: 60 °F
Mostly Cloudy
Wednesday
High: 83 °F
Partly Sunny
Wednesday Night
Low: 57 °F
Partly Cloudy
Thursday
High: 86 °F
Sunny
Thursday Night
Low: 61 °F
Clear
Friday
High: 88 °F
Sunny
Friday Night
Low: 65 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 59. South wind 5 to 7 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 84. Calm wind becoming south southeast around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 60. East southeast wind 3 to 6 mph.
Wednesday
Partly sunny, with a high near 83. Southeast wind 6 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 57. Southeast wind around 7 mph.
Thursday
Sunny, with a high near 86.
Thursday Night
Clear, with a low around 61.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 65.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 58.
Monday
A 30 percent chance of showers. Mostly sunny, with a high near 76.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Grundy Center IA
42.36°N 92.76°W
42.36°N 92.76°W
4:34 pm CDT Sep 29, 2025
5pm CDT Sep 29, 2025-6pm CDT Oct 6, 2025
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