Iowa · NWS DMX office

Marshalltown, IA weather

It is 52°F and mostly clear at Marshalltown, Marshalltown Municipal Airport as of Oct 28, 1:15 AM CDT. Overnight: Partly Cloudy, low near 51°F. Forecast from the National Weather Service, issued Oct 27, 11:11 PM CDT.

Updated Oct 28, 1:28 AM CDT (snapshot)

Current conditions

Temperature

52°F

Mostly Clear

Wind

SE 3 mph

Humidity 87% · dew point 48°F

Pressure · visibility

30.11 inHg

Visibility 10 mi

Observed at Marshalltown, Marshalltown Municipal Airport (KMIW), Oct 28, 1:15 AM CDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Marshalltown forecast zone right now.

Around the NWS DMX forecast area

No active alerts in zones served by the DMX office near Marshalltown.

From the alert snapshot of Oct 28, 2026, 2:15 AM EDT. No alerts are active anywhere in Iowa.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Marshalltown (local time)
TimeTempForecastPrecip. chanceWind
Wed 1 AM55°FPartly Cloudy2%S 6 mph
Wed 2 AM54°FPartly Cloudy3%S 5 mph
Wed 3 AM53°FPartly Cloudy4%S 5 mph
Wed 4 AM52°FMostly Cloudy4%S 3 mph
Wed 5 AM51°FPartly Cloudy6%S 5 mph
Wed 6 AM52°FMostly Sunny9%SSE 5 mph
Wed 7 AM52°FMostly Sunny10%SSE 5 mph
Wed 8 AM54°FMostly Sunny10%SSE 6 mph
Wed 9 AM57°FMostly Sunny11%SSE 7 mph
Wed 10 AM62°FMostly Sunny11%S 8 mph
Wed 11 AM66°FMostly Sunny11%S 9 mph
Wed 12 PM69°FMostly Sunny10%S 10 mph
Wed 1 PM72°FMostly Sunny10%S 12 mph
Wed 2 PM74°FSunny10%S 13 mph
Wed 3 PM74°FSunny10%S 14 mph
Wed 4 PM75°FSunny10%S 15 mph
Wed 5 PM74°FMostly Sunny12%S 14 mph
Wed 6 PM73°FSlight Chance Showers And Thunderstorms17%S 13 mph
Wed 7 PM70°FSlight Chance Showers And Thunderstorms19%S 10 mph
Wed 8 PM67°FSlight Chance Showers And Thunderstorms22%S 10 mph
Wed 9 PM66°FChance Showers And Thunderstorms27%S 10 mph
Wed 10 PM66°FChance Showers And Thunderstorms29%SSW 10 mph
Wed 11 PM64°FChance Showers And Thunderstorms29%SSW 9 mph
Thu 12 AM63°FChance Showers And Thunderstorms28%SSW 8 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Marshalltown can differ.

7-day forecast

Overnight

Low 51°F

Partly cloudy, with a low around 51. South southeast wind around 6 mph.

Wednesday

High 76°F·Low 54°F

Mostly sunny. High near 76, with temperatures falling to around 74 in the afternoon. South southeast wind 5 to 15 mph, with gusts as high as 24 mph.

Wednesday Night: A chance of showers and thunderstorms between 7pm and 11pm, then showers and thunderstorms likely between 11pm and midnight, then a chance of showers and thunderstorms between midnight and 2am. Mostly cloudy. Low around 54, with temperatures rising to around 58 overnight. West southwest wind 5 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

Thursday

High 69°F·Low 44°F

Sunny. High near 69, with temperatures falling to around 67 in the afternoon. North wind around 7 mph.

Thursday Night: A chance of rain showers after 1am. Partly cloudy, with a low around 44. East northeast wind around 3 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Friday

High 63°F·Low 49°F

Rain showers likely before 10am, then showers and thunderstorms likely. Mostly cloudy, with a high near 63. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

Friday Night: Showers and thunderstorms likely. Cloudy, with a low around 49. Chance of precipitation is 70%.

Saturday

High 63°F·Low 51°F

Rain showers likely before 7am, then showers and thunderstorms likely. Cloudy, with a high near 63. Chance of precipitation is 70%.

Saturday Night: A chance of rain showers. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.

Sunday

High 65°F·Low 51°F

A chance of rain showers. Mostly cloudy, with a high near 65. Chance of precipitation is 30%.

Sunday Night: A slight chance of rain showers. Mostly cloudy, with a low around 51.

Monday

High 65°F·Low 48°F

Rain showers likely. Cloudy, with a high near 65. Chance of precipitation is 60%.

Monday Night: Rain showers likely. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.

Tuesday

High 62°F

Rain showers likely. Mostly cloudy, with a high near 62.

Nearby cities

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About this forecast

Forecast office
Marshalltown is served by the National Weather Service DMX forecast office, forecast zone IAZ049, county zone IAC127.
Location used
The Census Bureau's internal point for Marshalltown (42.0343, -92.9063), in Marshall County. Population: 27,886 (2024 estimate), number 17 of the 27 Iowa cities on this site.
Radar
Nearest NWS radar: KDMX. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/42.0343,-92.9063 (forecast issued Oct 27, 11:11 PM CDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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