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

Areas of Severe Thunderstorms and Excessive Rainfall Through This Weekend

Severe thunderstorms which can bring large hail, damaging winds, and isolated tornadoes will be possible over parts of the central U.S. through this weekend. Thunderstorms with heavy to excessive rainfall moving from Texas into the mid-Mississippi Valley through this weekend may produce areas of flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Overcast

71°F

22°C

Humidity 90%
Wind Speed W 6 mph
Barometer 29.83 in (1009.5 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 5 Jun 9:53 am CDT
Extended Forecast for

Marshalltown IA

  • Today

    Today: Partly sunny, with a high near 85. West southwest wind 5 to 7 mph.

    High: 85 °F

    Partly Sunny

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly between 8pm and 4am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 64. Southwest wind 3 to 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    T-storms and
    Patchy Fog

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 4pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 88. Light and variable wind.

    High: 88 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 7pm. Patchy fog after 3am. Otherwise, increasing clouds, with a low around 66. Light south southeast wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 84. Light south southeast wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 65. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 65 °F

    Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Chance of precipitation is 70%.

    High: 85 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Partly sunny, with a high near 91.

    High: 91 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 85. West southwest wind 5 to 7 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly between 8pm and 4am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 64. Southwest wind 3 to 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A 20 percent chance of showers and thunderstorms after 4pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 88. Light and variable wind.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 7pm. Patchy fog after 3am. Otherwise, increasing clouds, with a low around 66. Light south southeast wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 84. Light south southeast wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm. Low around 65. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Chance of precipitation is 70%.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Tuesday
Partly sunny, with a high near 91.
Tuesday Night
Partly cloudy, with a low around 70.
Wednesday
Sunny, with a high near 96. Breezy.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Sunny and hot, with a high near 97. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marshalltown IA
 42.04°N 92.92°W
Last Update:
9:35 am CDT Jun 5, 2026
Forecast Valid:
10am CDT Jun 5, 2026-6pm CDT Jun 11, 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