Onawa, IA Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Onawa, IA in one place.
Showers and thunderstorms. Cloudy, with a high near 67. Southeast wind 12 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Onawa, 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 9, 2026 4:39 PM CDT.
The active forecast window currently covers Apr 11 to Apr 15, 2026 for Onawa, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 4:39 PM CDT
- Forecast office
- OAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Onawa
Monday looks like the warmest upcoming period in Onawa at 82 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Sunday at about 18 to 23 mph SSW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 4:39 PM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- OAX
- Radar station
- KOAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely. Cloudy, with a low around 58. South wind 18 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain showers likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 80. South southwest wind 18 to 23 mph, with gusts as high as 35 mph.
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 57. South southwest wind 10 to 17 mph, with gusts as high as 25 mph.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 82. South wind 9 to 18 mph, with gusts as high as 28 mph.
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 56. South wind 8 to 15 mph, with gusts as high as 23 mph.
A chance of showers and thunderstorms. Mostly sunny, with a high near 78. South southwest wind 8 to 17 mph, with gusts as high as 25 mph.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 46. West southwest wind 12 to 15 mph, with gusts as high as 23 mph.
A chance of rain showers. Partly sunny, with a high near 70. West wind 10 to 15 mph, with gusts as high as 23 mph.
A chance of rain showers before 1am. Partly cloudy, with a low around 46. Southwest wind around 12 mph, with gusts as high as 18 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Showers And Thunderstorms
|
67°F |
12 to 21 mph
SE
|
|
Saturday Night
Apr 11
|
Showers And Thunderstorms Likely
|
58°F |
18 to 22 mph
S
|
|
Sunday
Apr 12
|
Rain Showers Likely
|
80°F |
18 to 23 mph
SSW
|
|
Sunday Night
Apr 12
|
Chance Showers And Thunderstorms
|
57°F |
10 to 17 mph
SSW
|
|
Monday
Apr 13
|
Mostly Sunny then Slight Chance Rain Showers
|
82°F |
9 to 18 mph
S
|
|
Monday Night
Apr 13
|
Chance Showers And Thunderstorms
|
56°F |
8 to 15 mph
S
|
|
Tuesday
Apr 14
|
Chance Showers And Thunderstorms
|
78°F |
8 to 17 mph
SSW
|
|
Tuesday Night
Apr 14
|
Chance Showers And Thunderstorms
|
46°F |
12 to 15 mph
WSW
|
|
Wednesday
Apr 15
|
Chance Rain Showers
|
70°F |
10 to 15 mph
W
|
|
Wednesday Night
Apr 15
|
Chance Rain Showers
|
46°F |
12 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Onawa.
