Union County, MS Weather Forecast
County weather hub
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 rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 84. South southwest wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
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
- Apr 16 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 3:41 AM CDT
- Forecast office
- MEG
- Source
- NOAA / NWS
Daily Outlook
This Week in Union County
Friday looks like the warmest upcoming period in Union County at 89 degrees F.
Sunday Night is the coolest period ahead with temperatures near 42 degrees F.
The strongest winds are forecast for Saturday at about 5 to 15 mph SW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 3:41 AM CDT
- Coverage
- 6 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
A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am. Mostly clear, with a low around 62. South southwest wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Sunny, with a high near 89. South southwest wind 5 to 10 mph.
Partly cloudy, with a low around 66. South wind around 5 mph.
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. Southwest wind 5 to 15 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
A chance of rain showers before 7am. Mostly sunny, with a high near 69. Chance of precipitation is 40%.
Mostly clear, with a low around 42.
Sunny, with a high near 72.
Partly cloudy, with a low around 47.
Mostly sunny, with a high near 77.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 16
|
Chance Showers And Thunderstorms
|
84°F |
5 to 10 mph
SSW
|
|
Thursday Night
Apr 16
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
62°F |
5 mph
SSW
|
|
Friday
Apr 17
|
Sunny
|
89°F |
5 to 10 mph
SSW
|
|
Friday Night
Apr 17
|
Partly Cloudy
|
66°F |
5 mph
S
|
|
Saturday
Apr 18
|
Partly Sunny then Chance Showers And Thunderstorms
|
83°F |
5 to 15 mph
SW
|
|
Saturday Night
Apr 18
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
46°F |
10 mph
NW
|
|
Sunday
Apr 19
|
Chance Rain Showers then Mostly Sunny
|
69°F |
10 mph
N
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
42°F |
5 to 10 mph
N
|
|
Monday
Apr 20
|
Sunny
|
72°F |
5 mph
ENE
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
47°F |
5 mph
ESE
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
77°F |
5 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.