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

51°F

11°C

Humidity 80%
Wind Speed NW 6 mph
Barometer 30.02 in (1016.1 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 8 Oct 12:53 am CDT
Extended Forecast for

2 Miles S Union IA

  • Overnight

    Overnight: Partly cloudy, with a low around 50. Light north northwest wind.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 73. Calm wind.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers between 11pm and 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 54. Light east southeast wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly before 9am. Partly sunny, then gradually becoming sunny, with a high near 79. Southeast wind 6 to 11 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    T-storms then
    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 63. South wind around 10 mph, with gusts as high as 18 mph.

    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 79.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 50. Light north northwest wind.
Thursday
Mostly sunny, with a high near 73. Calm wind.
Thursday Night
A chance of showers between 11pm and 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 54. Light east southeast wind. 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. Partly sunny, then gradually becoming sunny, with a high near 79. Southeast wind 6 to 11 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Clear, with a low around 63. South wind around 10 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 81. Breezy.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 59.
Columbus Day
Mostly sunny, with a high near 71.
Monday Night
Mostly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
A 40 percent chance of showers. Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Union IA
 42.21°N 93.06°W
Last Update:
11:11 pm CDT Oct 7, 2026
Forecast Valid:
1am CDT Oct 8, 2026-6pm CDT Oct 14, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation