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

Hazardous Weather Conditions

Current conditions at

Meridian, Meridian Naval Air Station - McCain Field (KNMM)

Lat: 32.55°NLon: 88.56°WElev: 318ft.

Fair

77°F

25°C

Humidity 82%
Wind Speed SW 6 mph
Barometer 29.98 in (1015.8 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 19 Aug 3:56 am CDT
Extended Forecast for

2 Miles SE Porterville MS

Heat Advisory August 19, 04:11am until August 19, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 19, 04:11am until August 19, 09:00pm

    NOW until 9:00pm Wed

    Heat Advisory

  • Today

    High: 99 °F

    Sunny then
    Isolated
    T-storms

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 75. Calm wind becoming south southwest around 5 mph.

    Low: 75 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: A 10 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 98. Heat index values as high as 109. West wind around 5 mph becoming calm.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96. Calm wind becoming west around 5 mph.

    High: 96 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 96. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Today
Isolated showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 109. Calm wind becoming west around 5 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 75. Calm wind becoming south southwest around 5 mph.
Thursday
A 10 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 98. Heat index values as high as 109. West wind around 5 mph becoming calm.
Thursday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 30%.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96. Calm wind becoming west around 5 mph.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. Calm wind.
Saturday
Sunny, with a high near 96. Calm wind becoming north northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 72. Calm wind.
Sunday
Sunny and hot, with a high near 97. Calm wind becoming north around 5 mph.
Sunday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 73.
Monday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 95.
Monday Night
A 20 percent chance of showers. Mostly clear, with a low around 72.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 97.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Porterville MS
 32.63°N 88.47°W
Last Update:
3:36 am CDT Aug 19, 2026
Forecast Valid:
4am CDT Aug 19, 2026-6pm CDT Aug 25, 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