Ottumwa, IA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Ottumwa, IA in one place.
Sunny, with a high near 78. West wind 6 to 9 mph. New rainfall amounts less than a tenth of an inch possible.
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: Apr 15, 2026 2:53 AM CDT.
The active forecast window currently covers Apr 16 to Apr 21, 2026 for Ottumwa, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 16 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 2:53 AM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Ottumwa
Friday looks like the warmest upcoming period in Ottumwa at 83 degrees F.
Saturday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Friday at about 8 to 18 mph S.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 2:53 AM 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 sourceExtended Forecast
Mostly clear, with a low around 59. South wind around 7 mph.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 43. Chance of precipitation is 90%.
Showers and thunderstorms. Partly sunny, with a high near 54. Chance of precipitation is 80%.
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 34.
Sunny, with a high near 57.
Mostly clear, with a low around 36.
Sunny, with a high near 66.
Mostly clear, with a low around 46.
Sunny, with a high near 70.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 16
|
Sunny
|
78°F |
6 to 9 mph
W
|
|
Thursday Night
Apr 16
|
Mostly Clear
|
59°F |
7 mph
S
|
|
Friday
Apr 17
|
Mostly Sunny then Chance Showers And Thunderstorms
|
83°F |
8 to 18 mph
S
|
|
Friday Night
Apr 17
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
43°F |
12 to 16 mph
SW
|
|
Saturday
Apr 18
|
Showers And Thunderstorms
|
54°F |
14 to 18 mph
WNW
|
|
Saturday Night
Apr 18
|
Slight Chance Rain Showers then Partly Cloudy
|
34°F |
9 to 16 mph
WNW
|
|
Sunday
Apr 19
|
Sunny
|
57°F |
8 to 12 mph
WNW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
36°F |
8 mph
WSW
|
|
Monday
Apr 20
|
Sunny
|
66°F |
7 to 13 mph
SSE
|
|
Monday Night
Apr 20
|
Mostly Clear
|
46°F |
12 mph
S
|
|
Tuesday
Apr 21
|
Sunny
|
70°F |
10 to 16 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Ottumwa.
