National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Meridian, Key Field (KMEI)

Lat: 32.34°NLon: 88.75°WElev: 295ft.

Partly Cloudy

74°F

23°C

Humidity 97%
Wind Speed Calm
Barometer 29.93 in (1013.2 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 6 Sep 6:58 am CDT
Extended Forecast for

Union MS

Heat Advisory September 6, 07:44am until September 6, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 6, 07:44am until September 6, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • Today

    High: 99 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 73. West northwest wind around 5 mph becoming calm.

    Low: 73 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny and hot, with a high near 98. Heat index values as high as 104. North northeast wind around 5 mph.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. Northeast wind around 5 mph becoming east southeast after midnight.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 94. East southeast wind 5 to 10 mph.

    High: 94 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. East southeast wind around 5 mph becoming calm after midnight.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Calm wind becoming east southeast around 5 mph in the morning.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71. South southeast wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Mostly Clear

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Increasing clouds and hot, with a high near 99. Heat index values as high as 109. Calm wind becoming north northwest around 5 mph.
Tonight
Partly cloudy, with a low around 73. West northwest wind around 5 mph becoming calm.
Labor Day
Mostly sunny and hot, with a high near 98. Heat index values as high as 104. North northeast wind around 5 mph.
Monday Night
Mostly clear, with a low around 72. Northeast wind around 5 mph becoming east southeast after midnight.
Tuesday
Mostly sunny, with a high near 94. East southeast wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 71. East southeast wind around 5 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 93. Calm wind becoming east southeast around 5 mph in the morning.
Wednesday Night
Mostly clear, with a low around 71. South southeast wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 72.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 71.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Union MS
 32.57°N 89.14°W
Last Update:
7:15 am CDT Sep 6, 2026
Forecast Valid:
7am CDT Sep 6, 2026-6pm CDT Sep 12, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation