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.

Fair

96°F

36°C

Humidity 44%
Wind Speed NA
Barometer 30.00 in (1016.5 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 20 Aug 12:56 pm CDT
Extended Forecast for

2 Miles SW Preston MS

Heat Advisory August 21, 11:00am until August 21, 08:00pm
Heat Advisory August 20, 01:04pm until August 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  •  
    Heat Advisory August 20, 01:04pm until August 20, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 98 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 72. South southwest wind around 5 mph becoming west northwest in the evening. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms, mainly between 4pm and 5pm, then a chance of thunderstorms after 5pm. Sunny, with a high near 96. Heat index values as high as 105. Northwest wind around 5 mph. Chance of precipitation is 30%.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 10 percent chance of showers before 7pm. Mostly clear, with a low around 70. Northwest wind around 5 mph becoming calm.

    Low: 70 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 96. Calm wind becoming north around 5 mph in the afternoon.

    High: 96 °F

    Sunny

  • Saturday Night

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

    Low: 71 °F

    Mostly Clear

  • Sunday

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

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers after 4pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 109. West wind around 5 mph.
Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 72. South southwest wind around 5 mph becoming west northwest in the evening. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms, mainly between 4pm and 5pm, then a chance of thunderstorms after 5pm. Sunny, with a high near 96. Heat index values as high as 105. Northwest wind around 5 mph. Chance of precipitation is 30%.
Friday Night
A 10 percent chance of showers before 7pm. Mostly clear, with a low around 70. Northwest wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 96. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 71. Calm wind.
Sunday
Sunny, with a high near 95. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 71. Calm wind.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Tuesday Night
A 20 percent chance of showers. Mostly clear, with a low around 71.
Wednesday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Preston MS
 32.83°N 88.83°W
Last Update:
12:46 pm CDT Aug 20, 2026
Forecast Valid:
1pm CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
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