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

Oskaloosa, Oskaloosa Municipal Airport (KOOA)

Lat: 41.23°NLon: 92.49°WElev: 840ft.

Fair

58°F

14°C

Humidity 79%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 8 Oct 8:35 am CDT
Extended Forecast for

Ottumwa IA

  • Today

    Today: Sunny, with a high near 77. Calm wind.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Increasing clouds, with a low around 57. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 57 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers and thunderstorms between 8am and 9am. Partly sunny, then gradually becoming sunny, with a high near 83. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Friday Night

    Friday Night: Clear, with a low around 63. South wind 6 to 8 mph.

    Low: 63 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 82. South wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 82 °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 79.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 77. Calm wind.
Tonight
A slight chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Increasing clouds, with a low around 57. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 20%.
Friday
A slight chance of showers and thunderstorms between 8am and 9am. Partly sunny, then gradually becoming sunny, with a high near 83. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday Night
Clear, with a low around 63. South wind 6 to 8 mph.
Saturday
Sunny, with a high near 82. South wind 8 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 62.
Columbus Day
Mostly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ottumwa IA
 41.05°N 92.39°W
Last Update:
8:32 am CDT Oct 8, 2026
Forecast Valid:
8am CDT Oct 8, 2026-6pm CDT Oct 14, 2026
 
Forecast Discussion
 
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Additional Resources

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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