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.

Mostly Cloudy

94°F

34°C

Humidity 51%
Wind Speed Vrbl 5 mph
Barometer 30.02 in (1017.1 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 17 Aug 12:56 pm CDT
Extended Forecast for

2 Miles SE Porterville MS

Heat Advisory August 18, 10:00am until August 18, 08:00pm
Heat Advisory August 17, 01:59pm until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  •  
    Heat Advisory August 17, 01:59pm until August 17, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 94 °F

    Slight Chance
    T-storms

  • Tonight

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

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 96. Heat index values as high as 103. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 96 °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 95. Calm wind becoming east northeast around 5 mph.

    High: 95 °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 96. Calm wind becoming north northeast around 5 mph.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
A slight chance of showers, with thunderstorms also possible after 2pm. Sunny, with a high near 94. Heat index values as high as 103. North northeast wind around 5 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 72. Calm wind.
Monday
Sunny, with a high near 96. Heat index values as high as 103. Calm wind becoming northeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 73. Calm wind.
Tuesday
Sunny, with a high near 95. Calm wind becoming east northeast around 5 mph.
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 96. Calm wind becoming north northeast around 5 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 72. Calm wind.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind becoming north northwest around 5 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Saturday
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:
2 Miles SE Porterville MS
 32.63°N 88.47°W
Last Update:
1:47 pm CDT Aug 17, 2025
Forecast Valid:
1pm CDT Aug 17, 2025-6pm CDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation