Hazardous Weather Conditions
Current conditions at
Marshalltown, Marshalltown Municipal Airport (KMIW)
Lat: 42.11°NLon: 92.92°WElev: 971ft.
Overcast
71°F
22°C
| Humidity | 81% |
| Wind Speed | S 16 G 23 mph |
| Barometer | 29.79 in (1008.5 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 13 Apr 11:53 am CDT |
Extended Forecast for
Grundy Center IA
This Afternoon

High: 77 °F
Slight Chance
T-storms and
BreezyTonight
Low: 57 °F
Breezy.
Slight Chance
T-storms then
Partly CloudyTuesday
High: 78 °F
Slight Chance
T-storms and
Patchy Fog
then Chance
T-stormsTuesday Night

Low: 56 °F
Showers
LikelyWednesday
High: 73 °F
Chance
Showers then
Showers
LikelyWednesday Night
Low: 52 °F
Chance
T-storms then
Chance
ShowersThursday

High: 75 °F
Slight Chance
ShowersThursday Night

Low: 57 °F
Mostly Clear
Friday
High: 79 °F
Mostly Sunny
and Breezy
then Showers
Likely and
Windy
Detailed Forecast
This Afternoon
A slight chance of showers and thunderstorms between 1pm and 2pm. Mostly cloudy, with a high near 77. Breezy, with a south wind 15 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 57. Breezy, with a south wind 10 to 18 mph, with gusts as high as 28 mph.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after noon. Patchy fog before 9am. Otherwise, partly sunny, with a high near 78. South wind 6 to 11 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 56. North wind 6 to 9 mph becoming south southeast after midnight. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 73. East wind 6 to 13 mph becoming south in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 20 percent chance of showers. Sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 57.
Friday
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 79. Windy. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 40. Breezy. Chance of precipitation is 70%.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 52. Windy.
Saturday Night
Partly cloudy, with a low around 32. Breezy.
Sunday
Sunny, with a high near 56.
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
12:02 pm CDT Apr 13, 2026
12pm CDT Apr 13, 2026-6pm CDT Apr 19, 2026



