Hazardous Weather Conditions
Current conditions at
Marshalltown, Marshalltown Municipal Airport (KMIW)
Lat: 42.11°NLon: 92.92°WElev: 971ft.
Overcast
42°F
6°C
| Humidity | 58% |
| Wind Speed | NE 16 mph |
| Barometer | 30.09 in (1019.1 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 34°F (1°C) |
| Last update | 1 Apr 4:53 am CDT |
Extended Forecast for
Grundy Center IA
Today
High: 51 °F
Breezy.
Mostly Cloudy
then Slight
Chance
ShowersTonight

Low: 37 °F
Showers and
WindyThursday

High: 61 °F
Showers and
WindyThursday Night
Low: 34 °F
Slight Chance
T-storms and
Breezy then
Partly CloudyFriday
High: 62 °F
Chance
T-storms then
ShowersFriday Night
Low: 36 °F
T-storms then
ShowersSaturday

High: 45 °F
Slight Chance
Showers and
WindySaturday Night

Low: 29 °F
Mostly Cloudy
and WindySunday

High: 50 °F
Sunny and
Breezy
Detailed Forecast
Today
A slight chance of showers before 2pm, then a slight chance of showers after 4pm. Mostly cloudy, with a high near 51. Breezy, with an east wind 13 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
Showers, mainly after 7pm. Low around 37. Windy, with an east wind 18 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Thursday
Showers and possibly a thunderstorm. High near 61. Windy, with an east southeast wind 17 to 22 mph becoming southwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Thursday Night
A slight chance of thunderstorms before 7pm. Mostly cloudy, with a low around 34. Breezy, with a west wind 13 to 18 mph becoming north northwest 6 to 11 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 10%.
Friday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 62. East wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 36. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 20 percent chance of showers. Mostly cloudy, with a high near 45. Windy.
Saturday Night
Mostly cloudy, with a low around 29. Windy.
Sunday
Sunny, with a high near 50. Breezy.
Sunday Night
Mostly clear, with a low around 31.
Monday
Partly sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 50.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Grundy Center IA
42.36°N 92.79°W
42.36°N 92.79°W
3:36 am CDT Apr 1, 2026
5am CDT Apr 1, 2026-6pm CDT Apr 7, 2026



