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.

Thunderstorm

88°F

31°C

Humidity 52%
Wind Speed Vrbl 5 G 20 mph
Barometer 29.98 in (1015.8 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 18 Aug 6:56 pm CDT
Extended Forecast for

7 Miles NNE Preston MS

Heat Advisory August 18, 07:07pm until August 19, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 07:07pm until August 19, 09:00pm

    NOW until 9:00pm Wed

    Heat Advisory

  • Tonight

    Low: 73 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99. Heat index values as high as 107. West wind around 5 mph becoming north northwest in the afternoon.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms between 9pm and 10pm. Partly cloudy, with a low around 75. Southwest wind around 5 mph. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97. Heat index values as high as 105. West wind around 5 mph.

    High: 97 °F

    Sunny then
    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 73. Calm wind becoming southwest around 5 mph. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. West wind around 5 mph.

    High: 94 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 71. Calm wind becoming west northwest around 5 mph.

    Low: 71 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 95. North wind around 5 mph.

    High: 95 °F

    Sunny

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 73. Calm wind becoming south southwest around 5 mph. Winds could gust as high as 20 mph.
Wednesday
Sunny and hot, with a high near 99. Heat index values as high as 107. West wind around 5 mph becoming north northwest in the afternoon.
Wednesday Night
A slight chance of showers and thunderstorms between 9pm and 10pm. Partly cloudy, with a low around 75. Southwest wind around 5 mph. Chance of precipitation is 20%.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97. Heat index values as high as 105. West wind around 5 mph.
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 73. Calm wind becoming southwest around 5 mph. Chance of precipitation is 30%.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. West wind around 5 mph.
Friday Night
Partly cloudy, with a low around 71. Calm wind becoming west northwest around 5 mph.
Saturday
Sunny, with a high near 95. North wind around 5 mph.
Saturday Night
Mostly clear, with a low around 71. North wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 96.
Sunday Night
Mostly clear, with a low around 71.
Monday
Mostly sunny, with a high near 96.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
Sunny and hot, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNE Preston MS
 32.94°N 88.75°W
Last Update:
6:41 pm CDT Aug 18, 2026
Forecast Valid:
7pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation