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.

A Few Clouds

76°F

24°C

Humidity 91%
Wind Speed Calm
Barometer 30.13 in (1021.0 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 16 Aug 7:56 am CDT
Extended Forecast for

3 Miles NNE Porterville MS

Heat Advisory August 16, 10:00am until August 16, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A slight chance of showers and thunderstorms between 1pm and 3pm. Sunny, with a high near 93. Heat index values as high as 102. Calm wind. Chance of precipitation is 20%.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 94. Heat index values as high as 102. Calm wind becoming north northeast around 5 mph.

    High: 94 °F

    Sunny

  • Sunday Night

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

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 95. Calm wind becoming northeast around 5 mph.

    High: 95 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96. Calm wind.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Calm wind becoming northeast around 5 mph.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 1pm and 3pm. Sunny, with a high near 93. Heat index values as high as 102. Calm wind. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 73. Calm wind.
Sunday
Sunny, with a high near 94. Heat index values as high as 102. Calm wind becoming north northeast around 5 mph.
Sunday Night
Mostly clear, with a low around 72. Calm wind.
Monday
Sunny, with a high near 95. Calm wind becoming northeast around 5 mph.
Monday Night
Mostly clear, with a low around 73. Calm wind.
Tuesday
Sunny, with a high near 96. Calm wind.
Tuesday Night
Mostly clear, with a low around 73. Calm wind.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Calm wind becoming northeast around 5 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Porterville MS
 32.7°N 88.46°W
Last Update:
8:15 am CDT Aug 16, 2025
Forecast Valid:
8am CDT Aug 16, 2025-6pm CDT Aug 22, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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