Severe Weather and Heavy Rainfall in the Midwest and Desert Southwest; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall are possible in the Midwest into the Central Appalachians and the Desert Southwest early this week. Storms are also expected in parts of the northern Plains today. Fire weather and air quality concerns will persist across portions of the West. Mid-summer heat will continue across much of the CONUS this week, especially in the the south-central High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fog/Mist

72°F

22°C

Humidity 94%
Wind Speed SE 3 mph
Barometer 29.92 in (1012.5 mb)
Dewpoint 70°F (21°C)
Visibility 5.00 mi
Last update 10 Aug 7:53 am CDT
Extended Forecast for

Marshalltown Municipal Airport IA

  • Today

    Today: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 11am.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 85. East wind 5 to 10 mph.  Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am.  Mostly cloudy, with a low around 70. East wind 7 to 9 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly before 9am.  Partly sunny, with a high near 87. East southeast wind around 8 mph becoming west northwest in the morning.  New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    T-storms then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 68. East northeast wind around 7 mph.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Partly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm.  Partly sunny, with a high near 85. East northeast wind 5 to 7 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 66. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Partly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm.  Cloudy, with a high near 77. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms.  Cloudy, with a high near 76.

    High: 76 °F

    Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 11am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 85. East wind 5 to 10 mph. Chance of precipitation is 20%.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 70. East wind 7 to 9 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly before 9am. Partly sunny, with a high near 87. East southeast wind around 8 mph becoming west northwest in the morning. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. East northeast wind around 7 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Partly sunny, with a high near 85. East northeast wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 77. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Friday
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 76.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Saturday
A 30 percent chance of showers. Mostly cloudy, with a high near 78.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Sunday
Partly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Marshalltown Municipal Airport IA
 42.1°N 92.92°W
5:43 am CDT Aug 10, 2026
8am CDT Aug 10, 2026-6pm CDT Aug 16, 2026
 
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Additional Resources

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Hourly Weather Forecast

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