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

Hazardous Weather Conditions

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

75°F

24°C

Humidity 71%
Wind Speed SW 8 mph
Barometer 29.83 in (1009.4 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 31 Aug 5:53 am CDT
Extended Forecast for

Zearing IA

  • Today

    Today: A slight chance of showers and thunderstorms between noon and 4pm. Mostly sunny, with a high near 90. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 20%.

    High: 90 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 91. Light and variable wind.

    High: 91 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 73. Calm wind becoming south 5 to 8 mph in the evening.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 91. South wind around 8 mph becoming west in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Partly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90.

    High: 90 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers and thunderstorms between noon and 4pm. Mostly sunny, with a high near 90. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 20%.
Tonight
A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 72. Calm wind.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 91. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 73. Calm wind becoming south 5 to 8 mph in the evening.
Wednesday
Mostly sunny, with a high near 91. South wind around 8 mph becoming west in the afternoon.
Wednesday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 50 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 71.
Friday
Mostly sunny, with a high near 90.
Friday Night
Partly cloudy, with a low around 71.
Saturday
Mostly sunny, with a high near 90.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Zearing IA
 42.15°N 93.3°W
Last Update:
6:31 am CDT Aug 31, 2026
Forecast Valid:
6am CDT Aug 31, 2026-6pm CDT Sep 6, 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