National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fog/Mist

70°F

21°C

Humidity 97%
Wind Speed S 6 mph
Barometer 29.97 in (1014.4 mb)
Dewpoint 69°F (21°C)
Visibility 4.00 mi
Last update 25 Jul 8:53 am CDT
Extended Forecast for

3 Miles E Melbourne IA

Extreme Heat Watch July 26, 09:00pm until July 27, 10:00pm
Dense Fog Advisory July 25, 09:39am until July 25, 10:00am
Extreme Heat Warning July 26, 12:00pm until July 26, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch
...
Extreme Heat Warning
  •  
    Dense Fog Advisory July 25, 09:39am until July 25, 10:00am

    NOW until 10:00am Sat

    Dense Fog Advisory

  • Today

    High: 90 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 72. South southwest wind 3 to 6 mph.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 95. Heat index values as high as 114. Southwest wind 6 to 10 mph.

    High: 95 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. South southwest wind around 10 mph.

    Low: 75 °F

    Partly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: A slight chance of thunderstorms before 7am. Sunny, with a high near 95. South southwest wind around 9 mph becoming northwest in the afternoon. Chance of precipitation is 10%.

    High: 95 °F

    Slight Chance
    T-storms then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Today
Mostly sunny, with a high near 90. Heat index values as high as 102. South southwest wind around 6 mph.
Tonight
Partly cloudy, with a low around 72. South southwest wind 3 to 6 mph.
Sunday
Partly sunny, with a high near 95. Heat index values as high as 114. Southwest wind 6 to 10 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. South southwest wind around 10 mph.
Monday
A slight chance of thunderstorms before 7am. Sunny, with a high near 95. South southwest wind around 9 mph becoming northwest in the afternoon. Chance of precipitation is 10%.
Monday Night
Mostly clear, with a low around 71.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Friday
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Melbourne IA
 41.95°N 93.04°W
Last Update:
8:32 am CDT Jul 25, 2026
Forecast Valid:
9am CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation