National Weather Service

News Headlines

National Weather Service Flood Inundation Mapping Available for Iowa in September 2025

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

54°F

12°C

Humidity	90%
Wind Speed	N 9 mph
Barometer	30.08 in (1018.2 mb)
Dewpoint	51°F (11°C)
Visibility	10.00 mi
Wind Chill	51°F (11°C)
Last update	6 Oct 7:53 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles SSE Marshalltown IA

Today
High: 59 °F
Showers
Tonight
Low: 46 °F
Showers
Likely then
Chance
Showers
Tuesday
High: 67 °F
Sunny
Tuesday Night
Low: 42 °F
Clear
Wednesday
High: 68 °F
Sunny
Wednesday Night
Low: 43 °F
Clear
Thursday
High: 69 °F
Sunny
Thursday Night
Low: 51 °F
Chance
Showers
Friday
High: 74 °F
Mostly Sunny

Detailed Forecast

Today

Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. High near 59. North northeast wind 7 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 1am. Cloudy during the early evening, then gradual clearing, with a low around 46. North wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

Sunny, with a high near 67. North wind around 7 mph.

Tuesday Night

Clear, with a low around 42. Calm wind.

Wednesday

Sunny, with a high near 68. Calm wind becoming southeast around 6 mph in the afternoon.

Wednesday Night

Clear, with a low around 43.

Thursday

Sunny, with a high near 69.

Thursday Night

A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 51.