Walnut, IA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Walnut, IA in one place.
Sunny, with a high near 80. South wind 9 to 21 mph, with gusts as high as 28 mph.
Local Weather Overview
This forecast page for Walnut, 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 21, 2026 10:09 AM CDT.
The active forecast window currently covers Apr 22 to Apr 27, 2026 for Walnut, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 22 to Apr 27, 2026
- Latest sync
- Apr 21, 2026 10:09 AM CDT
- Forecast office
- OAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Walnut
Wednesday looks like the warmest upcoming period in Walnut at 80 degrees F.
Saturday Night is the coolest period ahead with temperatures near 40 degrees F.
The strongest winds are forecast for Thursday at about 22 to 25 mph S.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 21, 2026 10:09 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 rain showers between 1am and 4am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 60. South wind around 22 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7am, then showers and thunderstorms. Mostly cloudy, with a high near 74. South wind 22 to 25 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms. Mostly cloudy, with a low around 43. West wind 13 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 64. North northwest wind 14 to 17 mph, with gusts as high as 23 mph.
Partly cloudy, with a low around 41. North wind 8 to 12 mph, with gusts as high as 17 mph.
A slight chance of rain showers after 7am. Partly sunny, with a high near 62. North northeast wind 9 to 13 mph.
A slight chance of rain showers. Mostly cloudy, with a low around 40. Northeast wind 8 to 12 mph.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 60. East northeast wind 9 to 15 mph, with gusts as high as 21 mph.
Showers and thunderstorms likely. Mostly cloudy, with a low around 44. East wind around 14 mph, with gusts as high as 20 mph.
A chance of rain showers before 7am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 60. North northeast wind 12 to 17 mph, with gusts as high as 24 mph.
A chance of rain showers before 1am. Mostly cloudy, with a low around 41. Northwest wind 9 to 15 mph, with gusts as high as 22 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 22
|
Sunny
|
80°F |
9 to 21 mph
S
|
|
Wednesday Night
Apr 22
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
60°F |
22 mph
S
|
|
Thursday
Apr 23
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms
|
74°F |
22 to 25 mph
S
|
|
Thursday Night
Apr 23
|
Showers And Thunderstorms
|
43°F |
13 to 20 mph
W
|
|
Friday
Apr 24
|
Slight Chance Rain Showers then Mostly Sunny
|
64°F |
14 to 17 mph
NNW
|
|
Friday Night
Apr 24
|
Partly Cloudy
|
41°F |
8 to 12 mph
N
|
|
Saturday
Apr 25
|
Slight Chance Rain Showers
|
62°F |
9 to 13 mph
NNE
|
|
Saturday Night
Apr 25
|
Slight Chance Rain Showers
|
40°F |
8 to 12 mph
NE
|
|
Sunday
Apr 26
|
Chance Rain Showers
|
60°F |
9 to 15 mph
ENE
|
|
Sunday Night
Apr 26
|
Showers And Thunderstorms Likely
|
44°F |
14 mph
E
|
|
Monday
Apr 27
|
Chance Showers And Thunderstorms
|
60°F |
12 to 17 mph
NNE
|
|
Monday Night
Apr 27
|
Chance Rain Showers
|
41°F |
9 to 15 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Walnut.