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
Heat Advisory September 2, 01:16am until September 3, 07:00pm
NOW until 7:00pm Thu

Heat Advisory
Overnight

Low: 76 °F
Mostly Clear
Wednesday

High: 95 °F
Sunny
Wednesday Night

Low: 78 °F
Mostly Clear
Thursday

High: 94 °F
Sunny
Thursday Night

Low: 76 °F
Mostly Clear
Friday

High: 93 °F
Sunny
Friday Night

Low: 74 °F
Partly Cloudy
Saturday

High: 94 °F
Slight Chance
Showers
Detailed Forecast
Overnight
Mostly clear, with a low around 76. South wind around 7 mph.
Wednesday
Sunny, with a high near 95. Heat index values as high as 102. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 78. South wind 5 to 7 mph.
Thursday
Sunny, with a high near 94. Heat index values as high as 105. South southwest wind 5 to 8 mph.
Thursday Night
Mostly clear, with a low around 76. South wind 3 to 5 mph.
Friday
Sunny, with a high near 93.
Friday Night
Partly cloudy, with a low around 74.
Saturday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 94.
Saturday Night
Partly cloudy, with a low around 72.
Sunday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 70.
Labor Day
Partly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Partly sunny, with a high near 87.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Ottumwa IA
41°N 92.42°W
41°N 92.42°W
10:36 pm CDT Sep 1, 2026
1am CDT Sep 2, 2026-6pm CDT Sep 8, 2026



