Union County, AR Weather Forecast
County weather hub
Patchy Fog
Compare major city weather across Union County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Patchy fog and showers and thunderstorms likely before 7am, then patchy fog and showers and thunderstorms. Cloudy, with a high near 79. East wind 0 to 5 mph. Chance of precipitation is 90%.
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
- May 25 to May 29, 2026
- Latest sync
- May 23, 2026 10:50 AM 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 85 degrees F.
Monday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Memorial Day at about 0 to 5 mph E.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- May 23, 2026 10:50 AM CDT
- Coverage
- 5 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
Showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 90%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.
A chance of showers and thunderstorms before 1pm, then showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 90%.
Showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 90%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Memorial Day
May 25
|
Patchy Fog
|
79°F |
0 to 5 mph
E
|
|
Monday Night
May 25
|
Showers And Thunderstorms
|
66°F |
0 to 5 mph
SE
|
|
Tuesday
May 26
|
Showers And Thunderstorms Likely
|
84°F |
0 to 5 mph
S
|
|
Tuesday Night
May 26
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
68°F |
0 to 5 mph
S
|
|
Wednesday
May 27
|
Chance Showers And Thunderstorms
|
83°F |
0 to 5 mph
S
|
|
Wednesday Night
May 27
|
Showers And Thunderstorms
|
68°F |
0 to 5 mph
S
|
|
Thursday
May 28
|
Showers And Thunderstorms Likely
|
84°F |
0 to 5 mph
S
|
|
Thursday Night
May 28
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
67°F |
0 mph
|
|
Friday
May 29
|
Chance Showers And Thunderstorms
|
85°F |
0 to 5 mph
NW
|
|
Friday Night
May 29
|
Chance Showers And Thunderstorms
|
67°F |
0 to 5 mph
NE
|
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.
