Union County, MS 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 86. South southeast wind 5 to 15 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 1 of 1 mapped cities in Union County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 17 to May 21, 2026
- Latest sync
- May 15, 2026 12:23 AM CDT
- Forecast office
- MEG
- Source
- NOAA / NWS
Daily Outlook
This Week in Union County
Monday looks like the warmest upcoming period in Union County at 88 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Sunday at about 5 to 15 mph SSE.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- May 15, 2026 12:23 AM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- MEG
- Radar station
- KGWX
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 65. South southeast wind 5 to 10 mph.
Mostly sunny, with a high near 88. South southeast wind 5 to 15 mph.
Mostly cloudy, with a low around 69.
A slight chance of showers and thunderstorms after 7am. Partly sunny, with a high near 87. Chance of precipitation is 20%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 40%.
A chance of rain showers before 7am, then showers and thunderstorms likely. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
May 17
|
Sunny
|
86°F |
5 to 15 mph
SSE
|
|
Sunday Night
May 17
|
Mostly Clear
|
65°F |
5 to 10 mph
SSE
|
|
Monday
May 18
|
Mostly Sunny
|
88°F |
5 to 15 mph
SSE
|
|
Monday Night
May 18
|
Mostly Cloudy
|
69°F |
5 to 10 mph
SSE
|
|
Tuesday
May 19
|
Slight Chance Showers And Thunderstorms
|
87°F |
5 to 10 mph
S
|
|
Tuesday Night
May 19
|
Chance Showers And Thunderstorms
|
67°F |
0 to 5 mph
SSE
|
|
Wednesday
May 20
|
Showers And Thunderstorms Likely
|
85°F |
0 to 10 mph
S
|
|
Wednesday Night
May 20
|
Showers And Thunderstorms Likely
|
64°F |
0 to 5 mph
ESE
|
|
Thursday
May 21
|
Chance Showers And Thunderstorms
|
84°F |
0 to 10 mph
SSE
|
Major City Forecasts
Live forecast snapshots for major cities across Union County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Union County.
Largest mapped city population in this region: 8,771.