Harrison County, IA Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Harrison County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 81. Southeast wind 7 to 12 mph, with gusts as high as 20 mph.
County Weather Overview
This county weather page brings together forecast coverage for Harrison County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 3 of 3 mapped cities in Harrison County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jun 2 to Jun 7, 2026
- Latest sync
- Jun 1, 2026 6:09 AM CDT
- Forecast office
- OAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Harrison County
Sunday looks like the warmest upcoming period in Harrison County at 86 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Wednesday at about 10 to 14 mph SSE.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 1, 2026 6:09 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
Partly cloudy, with a low around 58. Southeast wind 7 to 12 mph, with gusts as high as 20 mph.
Partly sunny, with a high near 81. South southeast wind 10 to 14 mph, with gusts as high as 23 mph.
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60. South wind 9 to 14 mph, with gusts as high as 23 mph.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 81. South wind around 10 mph, with gusts as high as 20 mph.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. South wind 7 to 10 mph, with gusts as high as 17 mph.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 84. South wind 7 to 10 mph, with gusts as high as 18 mph.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South wind 5 to 10 mph, with gusts as high as 18 mph.
A chance of showers and thunderstorms. Partly sunny, with a high near 85. South wind 5 to 8 mph, with gusts as high as 16 mph.
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South southeast wind around 7 mph.
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Southeast wind 5 to 9 mph, with gusts as high as 17 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 2
|
Mostly Sunny
|
81°F |
7 to 12 mph
SE
|
|
Tuesday Night
Jun 2
|
Partly Cloudy
|
58°F |
7 to 12 mph
SE
|
|
Wednesday
Jun 3
|
Partly Sunny
|
81°F |
10 to 14 mph
SSE
|
|
Wednesday Night
Jun 3
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
60°F |
9 to 14 mph
S
|
|
Thursday
Jun 4
|
Chance Showers And Thunderstorms
|
81°F |
10 mph
S
|
|
Thursday Night
Jun 4
|
Chance Showers And Thunderstorms
|
61°F |
7 to 10 mph
S
|
|
Friday
Jun 5
|
Chance Showers And Thunderstorms
|
84°F |
7 to 10 mph
S
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
62°F |
5 to 10 mph
S
|
|
Saturday
Jun 6
|
Chance Showers And Thunderstorms
|
85°F |
5 to 8 mph
S
|
|
Saturday Night
Jun 6
|
Slight Chance Showers And Thunderstorms
|
63°F |
7 mph
SSE
|
|
Sunday
Jun 7
|
Chance Showers And Thunderstorms
|
86°F |
5 to 9 mph
SE
|
Major City Forecasts
Live forecast snapshots for major cities across Harrison County.
Coverage
Forecast coverage currently spans 3 of 3 mapped cities in Harrison County.
Largest mapped city population in this region: 2,576.
