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 in Vicinity

99°F

37°C

Humidity 41%
Wind Speed N 5 mph
Barometer 29.94 in (1014.2 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index108°F (42°C)
Last update 18 Aug 5:56 pm CDT
Extended Forecast for

7 Miles SW De Kalb MS

Heat Advisory August 18, 06:41pm until August 19, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 06:41pm until August 19, 09:00pm

    NOW until 9:00pm Wed

    Heat Advisory

  • Tonight

    Low: 73 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms between 4pm and 5pm. Sunny and hot, with a high near 99. Heat index values as high as 109. West wind around 5 mph becoming north northeast in the afternoon. Chance of precipitation is 20%.

    High: 99 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms, mainly between 9pm and 10pm. Partly cloudy, with a low around 75. West southwest wind around 5 mph.

    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 98. Heat index values as high as 109. West wind around 5 mph.

    High: 98 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 73. Calm wind. 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 95. Calm wind becoming west around 5 mph in the morning.

    High: 95 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Slight Chance
    T-storms

  • Saturday

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

    High: 96 °F

    Sunny

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 73. North northwest wind around 5 mph becoming calm in the evening.
Wednesday
A slight chance of showers and thunderstorms between 4pm and 5pm. Sunny and hot, with a high near 99. Heat index values as high as 109. West wind around 5 mph becoming north northeast in the afternoon. Chance of precipitation is 20%.
Wednesday Night
A 20 percent chance of showers and thunderstorms, mainly between 9pm and 10pm. Partly cloudy, with a low around 75. West southwest wind around 5 mph.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 98. Heat index values as high as 109. West wind around 5 mph.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 30%.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95. Calm wind becoming west around 5 mph in the morning.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. Calm wind.
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. North wind around 5 mph becoming calm.
Sunday
Sunny and hot, with a high near 97.
Sunday Night
Mostly clear, with a low around 71.
Monday
Mostly sunny and hot, with a high near 97.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
A 20 percent chance of showers. Sunny and hot, with a high near 98.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SW De Kalb MS
 32.69°N 88.73°W
Last Update:
6:15 pm CDT Aug 18, 2026
Forecast Valid:
6pm CDT Aug 18, 2026-6pm CDT Aug 25, 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