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.

Fair

75°F

24°C

Humidity 94%
Wind Speed S 5 mph
Barometer 29.99 in (1014.9 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 20 Aug 4:58 am CDT
Extended Forecast for

4 Miles ESE Union MS

Heat Advisory August 20, 11:00am until August 20, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Isolated showers and thunderstorms after 4pm. Sunny and hot, with a high near 99. Heat index values as high as 109. West wind around 5 mph. Chance of precipitation is 20%.

    High: 99 °F

    Sunny then
    Isolated
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Mostly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 73 °F

    Scattered
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Sunny and hot, with a high near 98. Heat index values as high as 106. West northwest wind around 5 mph.

    High: 98 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 71. West northwest wind around 5 mph becoming calm.

    Low: 71 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 98. Calm wind becoming north around 5 mph in the afternoon.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 97. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 95. East southeast wind around 5 mph becoming northwest in the morning. Chance of precipitation is 30%.

    High: 95 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Isolated showers and thunderstorms after 4pm. Sunny and hot, with a high near 99. Heat index values as high as 109. West wind around 5 mph. Chance of precipitation is 20%.
Tonight
Scattered showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Mostly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Sunny and hot, with a high near 98. Heat index values as high as 106. West northwest wind around 5 mph.
Friday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 71. West northwest wind around 5 mph becoming calm.
Saturday
Sunny and hot, with a high near 98. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 71. Calm wind.
Sunday
Mostly sunny and hot, with a high near 97. Calm wind becoming north northwest around 5 mph in the afternoon.
Sunday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 72. Calm wind.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 95. East southeast wind around 5 mph becoming northwest in the morning. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 71.
Tuesday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 96.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Union MS
 32.54°N 89.06°W
Last Update:
4:15 am CDT Aug 20, 2026
Forecast Valid:
5am CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
Forecast Discussion
 
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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