Hazardous Weather Conditions
Current conditions at
Marshalltown, Marshalltown Municipal Airport (KMIW)
Lat: 42.11°NLon: 92.92°WElev: 971ft.
Fog/Mist
74°F
23°C
| Humidity | 100% |
| Wind Speed | S 3 mph |
| Barometer | 29.88 in (1010.8 mb) |
| Dewpoint | 74°F (23°C) |
| Visibility | 2.00 mi |
| Last update | 26 Jul 4:53 am CDT |
Extended Forecast for
4 Miles NNW Le Grand IA
Extreme Heat Watch July 26, 09:00pm until July 27, 10:00pm
Extreme Heat Warning July 26, 12:00pm until July 26, 09:00pm
Overnight

Low: 72 °F
Slight Chance
ShowersSunday
High: 94 °F
Slight Chance
T-storms then
Partly SunnySunday Night
Low: 76 °F
Partly Cloudy
then Slight
Chance
T-stormsMonday

High: 95 °F
Sunny
Monday Night

Low: 70 °F
Mostly Clear
Tuesday

High: 88 °F
Mostly Sunny
Tuesday Night

Low: 66 °F
Mostly Clear
Wednesday

High: 89 °F
Sunny
Wednesday Night

Low: 66 °F
Mostly Clear
Detailed Forecast
Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 72. South southeast wind around 5 mph.
Sunday
A slight chance of showers before 7am, then a slight chance of showers and thunderstorms between 7am and 8am. Partly sunny, with a high near 94. Heat index values as high as 111. Light and variable wind becoming west southwest 5 to 9 mph in the morning. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers and thunderstorms between 1am and 4am. Partly cloudy, with a low around 76. Southwest wind around 9 mph. Chance of precipitation is 20%.
Monday
Sunny, with a high near 95. Heat index values as high as 107. South southwest wind 6 to 9 mph becoming west northwest in the afternoon.
Monday Night
Mostly clear, with a low around 70. Northwest wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 66.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Friday
A 40 percent chance of showers. Mostly sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 86.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles NNW Le Grand IA
42.06°N 92.8°W
42.06°N 92.8°W
4:47 am CDT Jul 26, 2026
5am CDT Jul 26, 2026-6pm CDT Aug 1, 2026



