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

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Oskaloosa, Oskaloosa Municipal Airport (KOOA)

Lat: 41.23°NLon: 92.49°WElev: 840ft.

Fair

50°F

10°C

Humidity 61%
Wind Speed S 10 mph
Barometer 30.57 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 17 Oct 10:35 am CDT
Extended Forecast for

Ottumwa IA

  • Today

    Today: Sunny, with a high near 61. Light and variable wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 39. South wind around 5 mph.

    Low: 39 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 68. South wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 41. South wind around 6 mph becoming calm after midnight.

    Low: 41 °F

    Clear

  • Monday

    Monday: Mostly sunny, with a high near 70. Calm wind becoming south around 6 mph in the afternoon.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 61. Light and variable wind becoming south southwest 5 to 7 mph in the afternoon.
Tonight
Clear, with a low around 39. South wind around 5 mph.
Sunday
Sunny, with a high near 68. South wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Clear, with a low around 41. South wind around 6 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 70. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 56.
Friday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ottumwa IA
 41.02°N 92.42°W
Last Update:
9:36 am CDT Oct 17, 2026
Forecast Valid:
10am CDT Oct 17, 2026-6pm CDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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