Significant Coastal Impacts to the Eastern Seaboard; Tropical Storm Nolo to Impact Hawaii

A Nor'easter will bring significant coastal impacts to the Mid-Atlantic and New England through the weekend. Moderate to major coastal flooding, heavy rain, strong winds and high surf expected. Tropical Storm Nolo will continue to strengthen as it moves north toward the Big Island of Hawaii. Heavy rainfall may bring life-threatening, catastrophic flooding and mudslides through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Oskaloosa, Oskaloosa Municipal Airport (KOOA)

Lat: 41.23°NLon: 92.49°WElev: 840ft.

Fair

65°F

18°C

Humidity 82%
Wind Speed N 3 mph
Barometer 30.30 in
Dewpoint 59°F (15°C)
Visibility 7.00 mi
Last update 24 Sep 7:15 pm CDT
Extended Forecast for

Ottumwa IA

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 5am.  Mostly cloudy, with a low around 62. Light east wind.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, mainly before 3pm.  High near 68. East southeast wind 3 to 5 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm, then showers likely after 2am.  Cloudy, with a low around 61. East southeast wind around 6 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 61 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers.  High near 63. Southeast wind 6 to 8 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after 1am.  Cloudy, with a low around 60. East southeast wind 5 to 7 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 60 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers before 1pm.  Mostly cloudy, with a high near 68. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance
    Showers

  • Sunday Night

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

    Low: 59 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 62. Light east wind.
Friday
Showers, mainly before 3pm. High near 68. East southeast wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of showers before 8pm, then showers likely after 2am. Cloudy, with a low around 61. East southeast wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Showers. High near 63. Southeast wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Showers likely, mainly after 1am. Cloudy, with a low around 60. East southeast wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 68. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Mostly cloudy, with a low around 59.
Monday
Partly sunny, with a high near 71.
Monday Night
Mostly cloudy, with a low around 63.
Tuesday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.
Tuesday Night
Showers. Low around 64. Chance of precipitation is 80%.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 68.
Wednesday Night
A 40 percent chance of showers. Partly cloudy, with a low around 61.
Thursday
A 40 percent chance of showers. Mostly sunny, with a high near 68.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Ottumwa IA
 41.02°N 92.42°W
6:01 pm CDT Sep 24, 2026
7pm CDT Sep 24, 2026-6pm CDT Oct 1, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database