Hazardous Weather Conditions
Current conditions at
Ottumwa Regional Airport (KOTM)
Lat: 41.1°NLon: 92.44°WElev: 830ft.
Overcast
68°F
20°C
| Humidity | 96% |
| Wind Speed | S 6 mph |
| Barometer | 30.05 in (1017.1 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 7.00 mi |
| Last update | 7 Aug 7:53 am CDT |
Extended Forecast for
Ottumwa IA
Dense Fog Advisory August 7, 08:20am until August 7, 09:00am
NOW until 9:00am Fri
Dense Fog Advisory
Today
High: 88 °F
Areas Dense
Fog then
Mostly SunnyTonight
Low: 66 °F
Chance
T-storms then
Partly CloudySaturday
High: 86 °F
Patchy Fog
then Mostly
SunnySaturday Night
Low: 68 °F
Slight Chance
T-storms then
Showers
LikelySunday
High: 91 °F
Chance
ShowersSunday Night
Low: 74 °F
Partly Cloudy
then Chance
T-stormsMonday
High: 92 °F
Mostly Sunny
Monday Night
Low: 72 °F
Partly Cloudy
then Chance
T-storms
Detailed Forecast
Today
Areas of dense fog before 10am. Otherwise, mostly sunny, with a high near 88. South southwest wind 3 to 6 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 66. West southwest wind around 6 mph becoming light and variable. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 86. Light and variable wind becoming southeast around 6 mph in the morning.
Saturday Night
A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 68. East southeast wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly sunny, with a high near 91. South southwest wind 6 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 92.
Monday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 67. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 81.
Additional Forecasts and Information
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Point Forecast:
Ottumwa IA
41.02°N 92.42°W
41.02°N 92.42°W
6:47 am CDT Aug 7, 2026
8am CDT Aug 7, 2026-6pm CDT Aug 13, 2026
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