Current conditions at
Marshalltown, Marshalltown Municipal Airport (KMIW)
Lat: 42.11°NLon: 92.92°WElev: 971ft.
Fair
68°F
20°C
| Humidity | 96% |
| Wind Speed | Calm |
| Barometer | 29.92 in (1012.4 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 9.00 mi |
| Last update | 9 Jun 1:53 am CDT |
Extended Forecast for
Marshalltown IA
Overnight

Low: 66 °F
Partly Cloudy
Tuesday

High: 92 °F
Mostly Sunny
Tuesday Night

Low: 73 °F
Slight Chance
T-stormsWednesday
High: 91 °F
Showers
Likely and
WindyWednesday Night

Low: 64 °F
Showers
Likely and
BreezyThursday

High: 83 °F
Showers
Thursday Night
Low: 57 °F
Slight Chance
T-storms then
ClearFriday

High: 82 °F
Sunny
Friday Night

Low: 59 °F
Clear
Detailed Forecast
Overnight
Partly cloudy, with a low around 66. Calm wind.
Tuesday
Mostly sunny, with a high near 92. Heat index values as high as 100. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms between 10pm and 4am. Partly cloudy, with a low around 73. South wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 91. Windy, with a south southwest wind 15 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 1am, then showers likely between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Partly cloudy, with a low around 64. Breezy, with a southwest wind 11 to 16 mph becoming light after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 57. Chance of precipitation is 10%.
Friday
Sunny, with a high near 82.
Friday Night
Clear, with a low around 59.
Saturday
Sunny, with a high near 83.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 76.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Marshalltown IA
42.04°N 92.92°W
42.04°N 92.92°W
1:27 am CDT Jun 9, 2026
2am CDT Jun 9, 2026-6pm CDT Jun 15, 2026


