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

Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

5 Miles S Chillicothe IA

Flood Watch June 21, 04:00am until June 21, 07:00pm
Click here for hazard details and duration
Flood Watch

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm, mainly after 4am. Mostly cloudy, with a low around 61. East southeast wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers and thunderstorms before 4pm, then showers likely. Some of the storms could produce heavy rainfall. High near 68. Breezy, with an east wind 11 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 68 °F

    Heavy Rain
    and Breezy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 9pm. Mostly cloudy, with a low around 56. Breezy, with a north northeast wind 8 to 16 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Chance
    Showers and
    Breezy then
    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 75. North northeast wind around 8 mph.

    High: 75 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. Northeast wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm, mainly after 4am. Mostly cloudy, with a low around 61. East southeast wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and thunderstorms before 4pm, then showers likely. Some of the storms could produce heavy rainfall. High near 68. Breezy, with an east wind 11 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
A 30 percent chance of showers before 9pm. Mostly cloudy, with a low around 56. Breezy, with a north northeast wind 8 to 16 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 75. North northeast wind around 8 mph.
Monday Night
Mostly clear, with a low around 56. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 78.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 58.
Friday
Mostly sunny, with a high near 81.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 62.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Chillicothe IA
 41.03°N 92.53°W
Last Update:
10:56 pm CDT Jun 20, 2026
Forecast Valid:
12am CDT Jun 21, 2026-6pm CDT Jun 27, 2026
 
Forecast Discussion
 
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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