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Hazardous Weather Conditions

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Thunderstorm Heavy Rain Fog and Windy

64°F

18°C

Humidity 93%
Wind Speed E 26 G 35 mph
Barometer 29.94 in (1013.3 mb)
Dewpoint 62°F (17°C)
Visibility 0.50 mi
Last update 20 Jun 9:53 am CDT
Extended Forecast for

5 Miles NNE Melbourne IA

Heat Advisory June 20, 12:00pm until June 22, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Showers and thunderstorms, mainly before 11am. High near 92. Heat index values as high as 103. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Breezy.
    T-storms then
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 77. Windy, with a south southwest wind 18 to 21 mph, with gusts as high as 30 mph.

    Low: 77 °F

    Mostly Clear
    and Windy

  • Saturday

    Saturday: Sunny, with a high near 95. Heat index values as high as 104. Windy, with a south southwest wind 20 to 23 mph, with gusts as high as 36 mph.

    High: 95 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Clear, with a low around 75. Windy, with a south southwest wind 17 to 21 mph, with gusts as high as 31 mph.

    Low: 75 °F

    Clear and
    Windy

  • Sunday

    Sunday: Sunny, with a high near 94. Windy, with a south wind 18 to 22 mph, with gusts as high as 34 mph.

    High: 94 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. Breezy.

    Low: 74 °F

    Breezy.
    Mostly Clear
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92.

    High: 92 °F

    Sunny then
    Chance
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 68. Chance of precipitation is 80%.

    Low: 68 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 70%.

    High: 86 °F

    Showers
    Likely

Detailed Forecast

Today
Showers and thunderstorms, mainly before 11am. High near 92. Heat index values as high as 103. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly clear, with a low around 77. Windy, with a south southwest wind 18 to 21 mph, with gusts as high as 30 mph.
Saturday
Sunny, with a high near 95. Heat index values as high as 104. Windy, with a south southwest wind 20 to 23 mph, with gusts as high as 36 mph.
Saturday Night
Clear, with a low around 75. Windy, with a south southwest wind 17 to 21 mph, with gusts as high as 31 mph.
Sunday
Sunny, with a high near 94. Windy, with a south wind 18 to 22 mph, with gusts as high as 34 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. Breezy.
Monday
A 50 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92.
Monday Night
Showers and possibly a thunderstorm. Low around 68. Chance of precipitation is 80%.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Melbourne IA
 42.02°N 93.06°W
Last Update:
9:14 am CDT Jun 20, 2025
Forecast Valid:
10am CDT Jun 20, 2025-6pm CDT Jun 26, 2025
 
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