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

Isaias Expected To Be A Strong Hurricane Approaching The Northern Gulf Coast Friday

Isaias is expected to strengthen and be a strong hurricane when it approaches the northern Gulf Coast on Friday. Damaging hurricane-force winds and life-threatening storm surge impacts are expected Friday into Saturday. Isaias will bring heavy rainfall to the northern Gulf Coast and much of the Southeast U.S. Friday into the weekend. Read More >

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

46°F

8°C

Humidity 93%
Wind Speed W 3 mph
Barometer 30.06 in (1017.7 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 8 Oct 4:53 am CDT
Extended Forecast for

3 Miles SSW Marshalltown IA

  • Today

    Today: Mostly sunny, with a high near 73. Light and variable wind.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers between 11pm and 1am, then a chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 55. Calm wind becoming east southeast around 5 mph after midnight. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly before 9am. Mostly cloudy through mid morning, then gradual clearing, with a high near 80. Southeast wind 6 to 11 mph. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    T-storms then
    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 63. South wind around 10 mph.

    Low: 63 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 81. South wind 11 to 15 mph, with gusts as high as 22 mph.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 73. Light and variable wind.
Tonight
A chance of showers between 11pm and 1am, then a chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 55. Calm wind becoming east southeast around 5 mph after midnight. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 40 percent chance of showers and thunderstorms, mainly before 9am. Mostly cloudy through mid morning, then gradual clearing, with a high near 80. Southeast wind 6 to 11 mph. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Clear, with a low around 63. South wind around 10 mph.
Saturday
Sunny, with a high near 81. South wind 11 to 15 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 61.
Columbus Day
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Marshalltown IA
 41.99°N 92.95°W
Last Update:
4:56 am CDT Oct 8, 2026
Forecast Valid:
5am CDT Oct 8, 2026-6pm CDT Oct 14, 2026
 
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Additional Resources

Radar & Satellite Image

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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