Ottumwa, IA Weather Forecast

Local 7-day forecast

82°
F

Chance Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Ottumwa, IA in one place.

Sunday, May 31, 2026
Wind: 12 mph SE
Sunday

A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm. Mostly cloudy, with a high near 82. Southeast wind around 12 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

Local 7-day forecast

Local Weather Overview

This forecast page for Ottumwa, IA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 30, 2026 4:08 PM CDT.

The active forecast window currently covers May 31 to Jun 5, 2026 for Ottumwa, IA.

Page Snapshot

Page focus
city weather
Forecast window
May 31 to Jun 5, 2026
Latest sync
May 30, 2026 4:08 PM CDT
Forecast office
DMX
Source
NOAA / NWS
Next High
82°F
Sunday
Next Low
61°F
Sunday Night
Rain Outlook
7
Periods mentioning precipitation
Windiest
7 to 13 mph
Thursday

Daily Outlook

Today
May 31
Chance Showers And Thunderstorms
82 °F
/ 61°F
Wind 12 mph
Mon
Jun 1
Chance Showers And Thunderstorms
83 °F
/ 59°F
Wind 6 mph
Tue
Jun 2
Sunny
83 °F
/ 56°F
Wind 5 to 8 mph
Wed
Jun 3
Sunny
86 °F
/ 59°F
Wind 5 to 8 mph
Thu
Jun 4
Slight Chance Rain Showers
87 °F
/ 63°F
Wind 7 to 13 mph
Fri
Jun 5
Chance Showers And Thunderstorms
86 °F
/ 64°F
Wind 9 to 13 mph

This Week in Ottumwa

Thursday looks like the warmest upcoming period in Ottumwa at 87 degrees F.

Tuesday Night is the coolest period ahead with temperatures near 56 degrees F.

The strongest winds are forecast for Thursday at about 7 to 13 mph SSW.

Precipitation is mentioned in 7 upcoming forecast periods.

Forecast Details

Last updated
May 30, 2026 4:08 PM CDT
Coverage
6 days
Time zone
America/Chicago
Forecast office
DMX
Radar station
KDMX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Sunday Night
May 31
61°F
Chance Showers And Thunderstorms
3 to 9 mph ESE

A chance of showers and thunderstorms between 7pm and 11pm, then a chance of showers and thunderstorms between 11pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy. Low around 61, with temperatures rising to around 63 overnight. East southeast wind 3 to 9 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Monday
Jun 1
83°F
Chance Showers And Thunderstorms
6 mph ENE

A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 83. East northeast wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Monday Night
Jun 1
59°F
Partly Cloudy
6 mph ENE

Partly cloudy, with a low around 59.

Tuesday
Jun 2
83°F
Sunny
5 to 8 mph E

Sunny, with a high near 83.

Tuesday Night
Jun 2
56°F
Mostly Clear
3 to 8 mph ESE

Mostly clear, with a low around 56.

Wednesday
Jun 3
86°F
Sunny
5 to 8 mph SSE

Sunny, with a high near 86.

Wednesday Night
Jun 3
59°F
Partly Cloudy
8 mph S

Partly cloudy, with a low around 59.

Thursday
Jun 4
87°F
Slight Chance Rain Showers
7 to 13 mph SSW

A slight chance of rain showers between 7am and 1pm. Mostly sunny, with a high near 87.

Thursday Night
Jun 4
63°F
Chance Showers And Thunderstorms
8 to 12 mph SSW

A chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

Friday
Jun 5
86°F
Chance Showers And Thunderstorms
9 to 13 mph SSW

A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.

Friday Night
Jun 5
64°F
Chance Showers And Thunderstorms
7 to 10 mph SSW

A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64.

Detailed Forecast

Period Conditions Temp Wind
Sunday
May 31
Chance Showers And Thunderstorms
82°F
12 mph
SE
Sunday Night
May 31
Chance Showers And Thunderstorms
61°F
3 to 9 mph
ESE
Monday
Jun 1
Chance Showers And Thunderstorms
83°F
6 mph
ENE
Monday Night
Jun 1
Partly Cloudy
59°F
6 mph
ENE
Tuesday
Jun 2
Sunny
83°F
5 to 8 mph
E
Tuesday Night
Jun 2
Mostly Clear
56°F
3 to 8 mph
ESE
Wednesday
Jun 3
Sunny
86°F
5 to 8 mph
SSE
Wednesday Night
Jun 3
Partly Cloudy
59°F
8 mph
S
Thursday
Jun 4
Slight Chance Rain Showers
87°F
7 to 13 mph
SSW
Thursday Night
Jun 4
Chance Showers And Thunderstorms
63°F
8 to 12 mph
SSW
Friday
Jun 5
Chance Showers And Thunderstorms
86°F
9 to 13 mph
SSW
Friday Night
Jun 5
Chance Showers And Thunderstorms
64°F
7 to 10 mph
SSW
Wapello County  Iowa Courthouse
Wapello County Iowa Courthouse image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.