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

Extreme Heat and Excessive Rainfall This Week

A significant heat wave is underway for the Intermountain West, Northern Plains, and Upper Great Lakes, peaking in intensity through midweek and lingering across parts of the Northern Plains and Midwest until this weekend. In southwest Texas, excessive rainfall may bring a risk for potentially life-threatening flash and arroyo flooding through Thursday. Read More >

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

81°F

27°C

Humidity 69%
Wind Speed W 3 mph
Barometer 30.24 in (1023.2 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 14 Jul 9:53 am CDT
Extended Forecast for

Melbourne IA

  • Today

    Today: Sunny, with a high near 91. Light and variable wind.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Calm wind.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 93. Light south wind.

    High: 93 °F

    Sunny

  • Thursday Night

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

    Low: 71 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 91. Light and variable wind.
Tonight
Mostly clear, with a low around 68. Calm wind.
Wednesday
Sunny, with a high near 93. Calm wind.
Wednesday Night
Mostly clear, with a low around 70. Calm wind.
Thursday
Sunny, with a high near 93. Light south wind.
Thursday Night
Mostly clear, with a low around 71.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 93.
Saturday Night
Mostly clear, with a low around 70.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 68.
Monday
Sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Melbourne IA
 41.95°N 93.1°W
Last Update:
8:02 am CDT Jul 14, 2026
Forecast Valid:
10am CDT Jul 14, 2026-6pm CDT Jul 20, 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