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

Unsettled Weather in the Eastern U.S. through Memorial Day

Showers and thunderstorms are expected from Texas to the Northeast through Tuesday. Heavy rain will create mainly localized areas of flash flooding across the central Gulf Coast into the Appalachians. Elevated to Critical fire weather conditions due to gusty winds and low humidity are expected through Tuesday across Oregon and Nevada. Showers and thunderstorms will develop over the Northwest. Read More >

Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Fair

61°F

16°C

Humidity 72%
Wind Speed S 7 mph
Barometer 30.02 in (1016.0 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 26 May 2:53 am CDT
Extended Forecast for

3 Miles S Chillicothe IA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 61. Calm wind becoming south around 5 mph.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 86. South southeast wind 3 to 7 mph.

    High: 86 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59. South southeast wind around 6 mph becoming calm after midnight.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 87. Calm wind becoming northeast 5 to 7 mph in the afternoon.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. East northeast wind 3 to 8 mph.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 59 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

  • Friday Night

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

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 61. Calm wind becoming south around 5 mph.
Tuesday
Increasing clouds, with a high near 86. South southeast wind 3 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 59. South southeast wind around 6 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 87. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 63. East northeast wind 3 to 8 mph.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Mostly cloudy, with a low around 59.
Friday
Partly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Chillicothe IA
 41.05°N 92.53°W
Last Update:
3:36 am CDT May 26, 2026
Forecast Valid:
3am CDT May 26, 2026-6pm CDT Jun 1, 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