Hurricane and Storm Surge Watches Issued for the Northern Gulf Coast for Strengthening Tropical Storm Isaias

Tropical Storm Isaias is forecast to track toward the central Gulf Coast while strengthening into a hurricane on Thursday. There is an increasing risk of damaging hurricane-force winds and life-threatening storm surge impacts along portions of the northern Gulf Coast Friday into Saturday. Isaias will bring heavy rainfall to the central Gulf Coast and much of the Southeast Friday into the weekend. Read More >

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

75°F

24°C

Humidity 34%
Wind Speed NW 13 mph
Barometer 29.97 in (1014.5 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 7 Oct 12:53 pm CDT
Extended Forecast for

2 Miles NNW Marshalltown Municipal Airport IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 78. North northwest wind 9 to 13 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. West northwest wind 3 to 5 mph.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 72. Calm wind.

    High: 72 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms after midnight.  Increasing clouds, with a low around 54. Calm wind becoming southeast around 5 mph after midnight.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Partly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 78. Southeast wind 7 to 11 mph, with gusts as high as 18 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 81. Breezy.

    High: 81 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 78. North northwest wind 9 to 13 mph.
Tonight
Mostly clear, with a low around 50. West northwest wind 3 to 5 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 72. Calm wind.
Thursday Night
A 50 percent chance of showers and thunderstorms after midnight. Increasing clouds, with a low around 54. Calm wind becoming southeast around 5 mph after midnight. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 78. Southeast wind 7 to 11 mph, with gusts as high as 18 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Clear, with a low around 63.
Saturday
Sunny, with a high near 81. Breezy.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 59.
Columbus Day
Mostly sunny, with a high near 72.
Monday Night
Mostly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Marshalltown Municipal Airport IA
 42.15°N 92.92°W
1:26 pm CDT Oct 7, 2026
1pm CDT Oct 7, 2026-6pm CDT Oct 13, 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