Ottumwa, IA Weather Forecast
Local 7-day forecast
Rain Showers Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Ottumwa, IA in one place.
Rain showers likely before 1pm, then showers and thunderstorms likely. Cloudy. High near 66, with temperatures falling to around 62 in the afternoon. West southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half 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: Oct 15, 2026 1:35 PM CDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Ottumwa, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 1:35 PM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Ottumwa
Wednesday looks like the warmest upcoming period in Ottumwa at 75 degrees F.
Friday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Friday at about 16 to 22 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 1:35 PM CDT
- Coverage
- 7 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
A chance of rain showers before 9pm. Mostly cloudy, with a low around 45. Northwest wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of rain showers between 10am and noon. Mostly cloudy, with a high near 52. Northwest wind 16 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Areas of frost after 3am. Partly cloudy, with a low around 33. North northwest wind 1 to 14 mph, with gusts as high as 28 mph.
Areas of frost before 9am. Sunny, with a high near 59. West wind 0 to 5 mph.
Clear, with a low around 39.
Sunny, with a high near 67.
Mostly clear, with a low around 44.
Mostly sunny, with a high near 70.
Partly cloudy, with a low around 45.
Sunny, with a high near 72.
Mostly clear, with a low around 50.
Mostly sunny, with a high near 75.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 54.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 15
|
Rain Showers Likely
|
66°F |
5 to 15 mph
WSW
|
|
Tonight
Oct 15
|
Chance Rain Showers then Mostly Cloudy
|
45°F |
14 to 17 mph
NW
|
|
Friday
Oct 16
|
Slight Chance Rain Showers then Mostly Cloudy
|
52°F |
16 to 22 mph
NW
|
|
Friday Night
Oct 16
|
Partly Cloudy then Areas Of Frost
|
33°F |
1 to 14 mph
NNW
|
|
Saturday
Oct 17
|
Areas Of Frost then Sunny
|
59°F |
0 to 5 mph
W
|
|
Saturday Night
Oct 17
|
Clear
|
39°F |
5 mph
S
|
|
Sunday
Oct 18
|
Sunny
|
67°F |
5 to 10 mph
SSW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
44°F |
2 to 6 mph
S
|
|
Monday
Oct 19
|
Mostly Sunny
|
70°F |
3 mph
SSW
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
45°F |
2 mph
S
|
|
Tuesday
Oct 20
|
Sunny
|
72°F |
0 to 5 mph
SSE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
50°F |
3 mph
SSE
|
|
Wednesday
Oct 21
|
Mostly Sunny
|
75°F |
3 to 7 mph
S
|
|
Wednesday Night
Oct 21
|
Partly Cloudy then Slight Chance Rain Showers
|
54°F |
6 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Ottumwa.
