Union County, AR Weather Forecast
County weather hub
Partly Sunny then Slight Chance Showers And Thunderstorms
Compare major city weather across Union County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. South wind 5 to 10 mph. Chance of precipitation is 20%.
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
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 11:19 AM CDT
- Forecast office
- SHV
- Source
- NOAA / NWS
Daily Outlook
This Week in Union County
Wednesday looks like the warmest upcoming period in Union County at 94 degrees F.
Saturday Night is the coolest period ahead with temperatures near 45 degrees F.
The strongest winds are forecast for Friday Night at about 15 to 20 mph NE.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 11:19 AM 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
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 70. South wind around 5 mph. Chance of precipitation is 20%.
Mostly sunny, with a high near 94. South wind 5 to 10 mph.
Mostly clear, with a low around 64. South wind around 5 mph.
Sunny, with a high near 93. South wind around 5 mph.
Clear, with a low around 62.
Sunny, with a high near 85.
Mostly clear, with a low around 50.
Sunny, with a high near 74.
Mostly clear, with a low around 45.
Sunny, with a high near 82.
Mostly clear, with a low around 53.
Mostly sunny, with a high near 86.
Partly cloudy, with a low around 58.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 13
|
Partly Sunny then Slight Chance Showers And Thunderstorms
|
93°F |
5 to 10 mph
S
|
|
Tonight
Oct 13
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
70°F |
5 mph
S
|
|
Wednesday
Oct 14
|
Mostly Sunny
|
94°F |
5 to 10 mph
S
|
|
Wednesday Night
Oct 14
|
Mostly Clear
|
64°F |
5 mph
S
|
|
Thursday
Oct 15
|
Sunny
|
93°F |
5 mph
S
|
|
Thursday Night
Oct 15
|
Clear
|
62°F |
0 to 5 mph
SW
|
|
Friday
Oct 16
|
Sunny
|
85°F |
5 to 15 mph
N
|
|
Friday Night
Oct 16
|
Mostly Clear
|
50°F |
15 to 20 mph
NE
|
|
Saturday
Oct 17
|
Sunny
|
74°F |
10 to 15 mph
NE
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
45°F |
0 to 10 mph
NE
|
|
Sunday
Oct 18
|
Sunny
|
82°F |
5 mph
E
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
53°F |
0 to 5 mph
E
|
|
Monday
Oct 19
|
Mostly Sunny
|
86°F |
0 to 5 mph
SE
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
58°F |
0 to 5 mph
E
|
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.
