Hazardous Weather Conditions
Current conditions at
Marshalltown, Marshalltown Municipal Airport (KMIW)
Lat: 42.11°NLon: 92.92°WElev: 971ft.
Overcast
51°F
11°C
| Humidity | 86% |
| Wind Speed | SE 20 G 30 mph |
| Barometer | 30.08 in (1019.1 mb) |
| Dewpoint | 47°F (8°C) |
| Visibility | 9.00 mi |
| Wind Chill | 45°F (7°C) |
| Last update | 11 Apr 4:53 pm CDT |
Extended Forecast for
Grundy Center IA
This Afternoon

High: 52 °F
Chance
Showers and
BreezyTonight

Low: 51 °F⇑
Chance
T-storms and
WindySunday
High: 71 °F
Windy. Chance
Showers then
Showers
LikelySunday Night
Low: 58 °F
Showers
Likely and
Breezy then
Chance
T-stormsMonday
High: 77 °F
Partly Sunny
then Slight
Chance
T-storms and
BreezyMonday Night

Low: 61 °F
Chance
T-storms and
BreezyTuesday
High: 82 °F
Mostly Sunny
then Showers
Likely and
BreezyTuesday Night

Low: 56 °F
Chance
ShowersWednesday
High: 75 °F
Mostly Sunny
then Chance
Showers
Detailed Forecast
This Afternoon
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 52. Breezy, with a south southeast wind around 16 mph, with gusts as high as 23 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 9pm. Mostly cloudy, with a temperature rising to around 59 by 5am. Windy, with a south southeast wind 17 to 21 mph, with gusts as high as 29 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 71. Windy, with a south southwest wind 21 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms, mainly between 7pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 58. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 77. Breezy, with a south wind 8 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 61. Breezy. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 82. Breezy. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 56.
Wednesday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Sunny, with a high near 78.
Thursday Night
A 30 percent chance of showers. Mostly clear, with a low around 55.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 74. Windy.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 37. Breezy.
Saturday
A chance of showers. Mostly sunny, with a high near 53. 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
2:46 pm CDT Apr 11, 2026
5pm CDT Apr 11, 2026-6pm CDT Apr 18, 2026



