Treynor, IA Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Treynor, IA in one place.
A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 90. South southeast wind 6 to 9 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Treynor, 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: Aug 10, 2026 12:28 AM CDT.
The active forecast window currently covers Aug 11 to Aug 16, 2026 for Treynor, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 11 to Aug 16, 2026
- Latest sync
- Aug 10, 2026 12:28 AM CDT
- Forecast office
- OAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Treynor
Tuesday looks like the warmest upcoming period in Treynor at 90 degrees F.
Thursday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Thursday Night at about 10 to 15 mph ENE.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 10, 2026 12:28 AM CDT
- Coverage
- 6 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
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 72. East northeast wind 5 to 8 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 86. East northeast wind around 9 mph. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 68. East northeast wind around 10 mph, with gusts as high as 16 mph.
Showers and thunderstorms. Mostly cloudy, with a high near 75. East wind around 12 mph, with gusts as high as 17 mph.
Showers and thunderstorms likely. Mostly cloudy, with a low around 64. East northeast wind 10 to 15 mph.
Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms. Cloudy, with a high near 76. East wind around 13 mph, with gusts as high as 18 mph.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. East southeast wind 8 to 13 mph.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Southeast wind around 8 mph.
A slight chance of rain showers before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Northeast wind around 6 mph.
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 76. North wind around 7 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Aug 11
|
Slight Chance Showers And Thunderstorms
|
90°F |
6 to 9 mph
SSE
|
|
Tuesday Night
Aug 11
|
Slight Chance Showers And Thunderstorms
|
72°F |
5 to 8 mph
ENE
|
|
Wednesday
Aug 12
|
Chance Showers And Thunderstorms then Mostly Sunny
|
86°F |
9 mph
ENE
|
|
Wednesday Night
Aug 12
|
Slight Chance Showers And Thunderstorms
|
68°F |
10 mph
ENE
|
|
Thursday
Aug 13
|
Showers And Thunderstorms
|
75°F |
12 mph
E
|
|
Thursday Night
Aug 13
|
Showers And Thunderstorms Likely
|
64°F |
10 to 15 mph
ENE
|
|
Friday
Aug 14
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
76°F |
13 mph
E
|
|
Friday Night
Aug 14
|
Chance Showers And Thunderstorms
|
65°F |
8 to 13 mph
ESE
|
|
Saturday
Aug 15
|
Chance Showers And Thunderstorms
|
78°F |
8 mph
SE
|
|
Saturday Night
Aug 15
|
Slight Chance Showers And Thunderstorms
|
64°F |
6 mph
NE
|
|
Sunday
Aug 16
|
Chance Showers And Thunderstorms
|
76°F |
7 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Treynor.