Ottumwa 7-day weather forecast

Written by:
June 8, 2026
ESOlex // Shutterstock

Ottumwa 7-day weather forecast

Stacker created the forecast for Ottumwa, Iowa using data from OpenWeather. This week's high is 90 °F on Monday, while the low is 69 °F on Sunday. There are expected to be 2 sunny days and rain on 3 days this week.

NWS Des Moines IA has issued a extreme heat warning until Wednesday at 09:00 PM.

Monday, June 29

- High of 90 °F, low of 76 °F (73% humidity)
- Mostly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 5:40 AM, sunset at 8:45 PM
- Full moon
1 / 6
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Tuesday, June 30

- High of 90 °F, low of 76 °F (68% humidity)
- Mostly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 5:40 AM, sunset at 8:45 PM
2 / 6
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Wednesday, July 1

- High of 90 °F, low of 74 °F (66% humidity)
- Mostly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (11 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 5:41 AM, sunset at 8:45 PM
3 / 6
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Thursday, July 2

- High of 90 °F, low of 77 °F (60% humidity)
- Partly cloudy with a 20% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 5:41 AM, sunset at 8:45 PM
4 / 6
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Friday, July 3

- High of 90 °F, low of 72 °F (64% humidity)
- Partly cloudy with a 0% chance of rain
- Moderate breeze (13 mph wind)
- Sunrise at 5:42 AM, sunset at 8:45 PM
5 / 6
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Saturday, July 4

- High of 90 °F, low of 73 °F (74% humidity)
- Mostly cloudy with a 91% chance of rain (2 mm of rain)
- Moderate breeze (16 mph wind)
- Sunrise at 5:42 AM, sunset at 8:45 PM
6 / 6
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Sunday, July 5

- High of 89 °F, low of 69 °F (70% humidity)
- Mostly cloudy with a 100% chance of rain (2 mm of rain)
- Gentle breeze (11 mph wind)
- Sunrise at 5:43 AM, sunset at 8:44 PM

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