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
Ottumwa IA
Flood Watch August 14, 07:33am until August 15, 10:00am
NOW until 10:00am Sat
Flood Watch
Today
High: 86 °F
T-storms
Likely then
Chance
T-stormsTonight

Low: 72 °F
T-storms
LikelySaturday
High: 90 °F
Chance
T-storms then
Partly SunnySaturday Night

Low: 71 °F
T-storms
LikelySunday

High: 85 °F
Chance
T-stormsSunday Night

Low: 65 °F
Partly Cloudy
Monday

High: 82 °F
Sunny
Monday Night

Low: 63 °F
Mostly Clear
Detailed Forecast
Today
Showers and thunderstorms likely, mainly before 4pm. Mostly cloudy, with a high near 86. East southeast wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly after 4am. Increasing clouds, with a low around 72. East wind 6 to 8 mph becoming south after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 90. Heat index values as high as 105. South southeast wind 5 to 7 mph becoming west in the afternoon. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms likely, mainly after 1am. Increasing clouds, with a low around 71. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Light northwest wind becoming north northwest 5 to 9 mph in the morning. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Partly cloudy, with a low around 65.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 86.
Tuesday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
Partly sunny, with a high near 80.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Ottumwa IA
41.02°N 92.42°W
41.02°N 92.42°W
6:51 am CDT Aug 14, 2026
7am CDT Aug 14, 2026-6pm CDT Aug 20, 2026



