Harrison County, IA Weather Forecast
County weather hub
Slight Chance Rain And Snow Showers then Sunny
Compare major city weather across Harrison County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of rain and snow showers before 7am. Sunny, with a high near 54. Northwest wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
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
- Apr 18 to Apr 22, 2026
- Latest sync
- Apr 16, 2026 8:45 AM CDT
- Forecast office
- OAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Harrison County
Tuesday looks like the warmest upcoming period in Harrison County at 76 degrees F.
Saturday Night is the coolest period ahead with temperatures near 31 degrees F.
The strongest winds are forecast for Saturday at about 13 to 18 mph NW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 16, 2026 8:45 AM 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
Mostly clear, with a low around 31. West northwest wind 2 to 16 mph, with gusts as high as 26 mph.
Sunny, with a high near 64. West northwest wind 3 to 8 mph.
Mostly clear, with a low around 40. East southeast wind 7 to 10 mph, with gusts as high as 17 mph.
Sunny, with a high near 75. South southeast wind 10 to 18 mph, with gusts as high as 28 mph.
Mostly clear, with a low around 50. South wind 10 to 16 mph, with gusts as high as 24 mph.
Sunny, with a high near 76. South southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Mostly clear, with a low around 51. South wind around 13 mph, with gusts as high as 21 mph.
A slight chance of rain showers after 1pm. Sunny, with a high near 76. South southeast wind 9 to 17 mph, with gusts as high as 26 mph.
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 53. Southeast wind 12 to 15 mph, with gusts as high as 23 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Slight Chance Rain And Snow Showers then Sunny
|
54°F |
13 to 18 mph
NW
|
|
Saturday Night
Apr 18
|
Mostly Clear
|
31°F |
2 to 16 mph
WNW
|
|
Sunday
Apr 19
|
Sunny
|
64°F |
3 to 8 mph
WNW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
40°F |
7 to 10 mph
ESE
|
|
Monday
Apr 20
|
Sunny
|
75°F |
10 to 18 mph
SSE
|
|
Monday Night
Apr 20
|
Mostly Clear
|
50°F |
10 to 16 mph
S
|
|
Tuesday
Apr 21
|
Sunny
|
76°F |
10 to 15 mph
SSW
|
|
Tuesday Night
Apr 21
|
Mostly Clear
|
51°F |
13 mph
S
|
|
Wednesday
Apr 22
|
Sunny then Slight Chance Rain Showers
|
76°F |
9 to 17 mph
SSE
|
|
Wednesday Night
Apr 22
|
Chance Showers And Thunderstorms
|
53°F |
12 to 15 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.
