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

Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Hazardous Weather Conditions

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

58°F

14°C

Humidity 90%
Wind Speed E 3 mph
Barometer 30.22 in (1022.9 mb)
Dewpoint 55°F (13°C)
Visibility 7.00 mi
Last update 3 Aug 1:53 am CDT
Extended Forecast for

State Center IASimilar City Names

  • Overnight

    Overnight: Partly cloudy, with a low around 54. Light southeast wind.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Areas of smoke before 10am. Mostly sunny, with a high near 77. South southeast wind 3 to 8 mph.

    High: 77 °F

    Areas Smoke
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56. Southeast wind around 5 mph becoming calm after midnight.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 78. Southeast wind 3 to 7 mph.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60. Southeast wind 3 to 5 mph.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 54. Light southeast wind.
Sunday
Areas of smoke before 10am. Mostly sunny, with a high near 77. South southeast wind 3 to 8 mph.
Sunday Night
Partly cloudy, with a low around 56. Southeast wind around 5 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 78. Southeast wind 3 to 7 mph.
Monday Night
Partly cloudy, with a low around 60. Southeast wind 3 to 5 mph.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 66.
Thursday
Sunny, with a high near 88.
Thursday Night
Partly cloudy, with a low around 69.
Friday
Mostly sunny, with a high near 88.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Saturday
Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
State Center IASimilar City Names
 42.02°N 93.15°W
Last Update:
12:35 am CDT Aug 3, 2025
Forecast Valid:
2am CDT Aug 3, 2025-6pm CDT Aug 9, 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