Current conditions at
Marshalltown, Marshalltown Municipal Airport (KMIW)
Lat: 42.11°NLon: 92.92°WElev: 971ft.
Fair
25°F
-4°C
| Humidity | 63% |
| Wind Speed | S 14 mph |
| Barometer | 29.62 in (1004.9 mb) |
| Dewpoint | 14°F (-10°C) |
| Visibility | 10.00 mi |
| Wind Chill | 13°F (-11°C) |
| Last update | 24 Feb 8:53 am CST |
Extended Forecast for
Grundy Center IA
Today

High: 36 °F
Cloudy
Tonight

Low: 16 °F
Gradual
ClearingWednesday
High: 28 °F
Mostly Sunny
then Chance
SnowWednesday Night

Low: 18 °F
Chance Snow
Thursday

High: 36 °F
Mostly Sunny
Thursday Night

Low: 25 °F
Mostly Clear
Friday

High: 49 °F
Sunny
Friday Night

Low: 24 °F
Partly Cloudy
Saturday

High: 32 °F
Partly Sunny
Detailed Forecast
Today
Cloudy, with a high near 36. South wind 11 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 16. Wind chill values as low as 5. Northwest wind 9 to 11 mph, with gusts as high as 18 mph.
Wednesday
A 30 percent chance of snow after noon. Increasing clouds, with a high near 28. Wind chill values as low as 5. Northwest wind 5 to 8 mph becoming east northeast in the afternoon. Little or no snow accumulation expected.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 18. East wind around 6 mph. New snow accumulation of 1 to 3 inches possible.
Thursday
Mostly sunny, with a high near 36. East northeast wind 6 to 9 mph becoming west southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 25.
Friday
Sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Partly sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 11.
Sunday
A 40 percent chance of snow. Mostly sunny, with a high near 27.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 15.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 32.
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
9:02 am CST Feb 24, 2026
9am CST Feb 24, 2026-6pm CST Mar 2, 2026


