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

86°F

30°C

Humidity 67%
Wind Speed E 3 mph
Barometer 30.15 in (1021.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 15 Aug 10:56 am CDT
Extended Forecast for

5 Miles WNW Porterville MS

Heat Advisory until August 15, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 15, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Today

    High: 92 °F

    Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 102. Calm wind.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

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

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

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

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming east around 5 mph.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

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

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92. Heat index values as high as 102. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly clear, with a low around 74. Calm wind.
Saturday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 102. Calm wind.
Saturday Night
Mostly clear, with a low around 73. Calm wind.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming northeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 73. Calm wind.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming east around 5 mph.
Monday Night
Mostly clear, with a low around 72. Calm wind.
Tuesday
Sunny, with a high near 94. Calm wind becoming east northeast around 5 mph.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Porterville MS
 32.68°N 88.57°W
Last Update:
10:15 am CDT Aug 15, 2025
Forecast Valid:
11am CDT Aug 15, 2025-6pm CDT Aug 21, 2025
 
Forecast Discussion
 
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Additional Resources

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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