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.

Partly Cloudy

80°F

27°C

Humidity 79%
Wind Speed W 7 mph
Barometer 30.00 in (1016.6 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 19 Aug 7:56 am CDT
Extended Forecast for

6 Miles W Porterville MS

Heat Advisory August 19, 08:22am until August 19, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 19, 08:22am until August 19, 09:00pm

    NOW until 9:00pm Wed

    Heat Advisory

  • Today

    High: 99 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 75. Calm wind becoming west southwest around 5 mph after midnight. Chance of precipitation is 10%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 98. Heat index values as high as 106. West wind around 5 mph.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. 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. West wind 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 72. Calm wind.

    Low: 72 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 95. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 95 °F

    Sunny

  • Saturday Night

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

    Low: 71 °F

    Mostly Clear

Detailed Forecast

Today
A slight chance of showers before 3pm, then a slight chance of showers and thunderstorms between 3pm and 5pm, then a slight chance of showers after 5pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 106. West wind around 5 mph becoming north northwest in the afternoon. Chance of precipitation is 20%.
Tonight
A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 75. Calm wind becoming west southwest around 5 mph after midnight. Chance of precipitation is 10%.
Thursday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 98. Heat index values as high as 106. West wind around 5 mph.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. 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. West wind around 5 mph.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. Calm wind.
Saturday
Sunny, with a high near 95. Calm wind becoming north northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 71. Calm wind.
Sunday
Sunny and hot, with a high near 97. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 73.
Monday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 73.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W Porterville MS
 32.66°N 88.6°W
Last Update:
8:15 am CDT Aug 19, 2026
Forecast Valid:
8am CDT Aug 19, 2026-6pm CDT Aug 25, 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