Union County, AR Weather Forecast
County weather hub
Sunny
Compare major city weather across Union County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 97. East wind 0 to 5 mph.
County Weather Overview
This county weather page brings together forecast coverage for Union County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 2 of 2 mapped cities in Union County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Aug 29 to Sep 4, 2026
- Latest sync
- Aug 28, 2026 10:30 PM CDT
- Forecast office
- SHV
- Source
- NOAA / NWS
Daily Outlook
This Week in Union County
Friday looks like the warmest upcoming period in Union County at 99 degrees F.
Saturday Night is the coolest period ahead with temperatures near 70 degrees F.
The strongest winds are forecast for Saturday at about 0 to 5 mph E.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 28, 2026 10:30 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- SHV
- Radar station
- KSHV
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 70. Southeast wind 0 to 5 mph.
Sunny, with a high near 98. Southeast wind 0 to 5 mph.
Mostly clear, with a low around 73. Southeast wind around 5 mph.
Sunny, with a high near 97.
Mostly clear, with a low around 73.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 96. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 73. Chance of precipitation is 20%.
Sunny, with a high near 97.
Mostly clear, with a low around 74.
Sunny, with a high near 98.
Mostly clear, with a low around 74.
Sunny, with a high near 99.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Sunny
|
97°F |
0 to 5 mph
E
|
|
Saturday Night
Aug 29
|
Mostly Clear
|
70°F |
0 to 5 mph
SE
|
|
Sunday
Aug 30
|
Sunny
|
98°F |
0 to 5 mph
SE
|
|
Sunday Night
Aug 30
|
Mostly Clear
|
73°F |
5 mph
SE
|
|
Monday
Aug 31
|
Sunny
|
97°F |
0 to 5 mph
SE
|
|
Monday Night
Aug 31
|
Mostly Clear
|
73°F |
0 to 5 mph
SE
|
|
Tuesday
Sep 1
|
Sunny then Slight Chance Showers And Thunderstorms
|
96°F |
0 to 5 mph
S
|
|
Tuesday Night
Sep 1
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
73°F |
0 to 5 mph
S
|
|
Wednesday
Sep 2
|
Sunny
|
97°F |
0 to 5 mph
S
|
|
Wednesday Night
Sep 2
|
Mostly Clear
|
74°F |
0 to 5 mph
S
|
|
Thursday
Sep 3
|
Sunny
|
98°F |
0 to 5 mph
S
|
|
Thursday Night
Sep 3
|
Mostly Clear
|
74°F |
0 to 5 mph
S
|
|
Friday
Sep 4
|
Sunny
|
99°F |
0 to 5 mph
S
|
Major City Forecasts
Live forecast snapshots for major cities across Union County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Union County.
Largest mapped city population in this region: 17,402.