Hazardous Weather Conditions
Current conditions at
Ottumwa Regional Airport (KOTM)
Lat: 41.1°NLon: 92.44°WElev: 830ft.
Partly Cloudy
60°F
16°C
| Humidity | 84% |
| Wind Speed | SE 7 mph |
| Barometer | 29.68 in (1004.8 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 15 Apr 8:53 pm CDT |
Extended Forecast for
Ottumwa IA
Tonight
Low: 54 °F
Severe
Thunderstorms
then Partly
CloudyThursday

High: 78 °F
Sunny
Thursday Night

Low: 56 °F
Mostly Clear
Friday
High: 81 °F
Breezy.
Slight Chance
Showers then
T-stormsFriday Night
Low: 39 °F
T-storms then
ShowersSaturday

High: 52 °F
Slight Chance
Showers and
BreezySaturday Night

Low: 33 °F
Mostly Clear
Sunday

High: 60 °F
Sunny
Sunday Night

Low: 38 °F
Mostly Clear
Detailed Forecast
Tonight
Scattered showers and thunderstorms, mainly before 11pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming mostly clear, with a low around 54. West wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Sunny, with a high near 78. West wind around 7 mph.
Thursday Night
Mostly clear, with a low around 56. South southeast wind 5 to 8 mph.
Friday
A slight chance of showers, then showers and possibly a thunderstorm after 1pm. High near 81. Breezy, with a south southeast wind 10 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm. Low around 39. South southwest wind around 14 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Saturday
A 20 percent chance of showers before 1pm. Sunny, with a high near 52. Breezy.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Mostly sunny, with a high near 74.
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
8:57 pm CDT Apr 15, 2026
9pm CDT Apr 15, 2026-6pm CDT Apr 22, 2026



