Isolated Severe Storms in the Midwest; Fire Weather Concerns in the Northern Plains; Record Heat in the West

Isolated severe storms are possible across parts of the Florida Peninsula and the Great Lakes to Lower Missouri Valley and south-central Plains late this afternoon and early evening. Elevated to critical fire weather concerns continue over much of the northern Great Plains. Above average temperatures persist across portions of the West today. Read More >

Hazardous Weather Conditions

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

70°F

21°C

Humidity 49%
Wind Speed SW 18 G 26 mph
Barometer 29.91 in (1012.4 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 12 May 10:53 am CDT
Extended Forecast for

Marshalltown IA

  • Today

    Today: A 20 percent chance of showers before noon.  Partly sunny, with a high near 80. Windy, with a west northwest wind 18 to 21 mph, with gusts as high as 31 mph.

    High: 80 °F

    Slight Chance
    Showers and
    Windy

  • Tonight

    Tonight: Mostly clear, with a low around 48. Breezy, with a northwest wind 8 to 17 mph, with gusts as high as 28 mph.

    Low: 48 °F

    Mostly Clear
    and Breezy
    then Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. North northwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 45. North wind around 6 mph becoming light and variable  in the evening.

    Low: 45 °F

    Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 76. Breezy, with a south southeast wind 7 to 17 mph, with gusts as high as 26 mph.

    High: 76 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 55. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers before 1pm.  Sunny, with a high near 86.

    High: 86 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 55.

    Low: 55 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers before noon. Partly sunny, with a high near 80. Windy, with a west northwest wind 18 to 21 mph, with gusts as high as 31 mph.
Tonight
Mostly clear, with a low around 48. Breezy, with a northwest wind 8 to 17 mph, with gusts as high as 28 mph.
Wednesday
Sunny, with a high near 73. North northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Clear, with a low around 45. North wind around 6 mph becoming light and variable in the evening.
Thursday
Mostly sunny, with a high near 76. Breezy, with a south southeast wind 7 to 17 mph, with gusts as high as 26 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 20 percent chance of showers before 1pm. Sunny, with a high near 86.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 87.
Saturday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 59. Chance of precipitation is 60%.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. Breezy.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Marshalltown IA
 42.04°N 92.92°W
8:36 am CDT May 12, 2026
11am CDT May 12, 2026-6pm CDT May 18, 2026
 
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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