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

87°F

31°C

Humidity 70%
Wind Speed Calm
Barometer 29.96 in (1015.0 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 4 Jul 5:56 pm CDT
Extended Forecast for

3 Miles WSW Toomsuba MS

Heat Advisory July 4, 06:22pm until July 4, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory July 4, 06:22pm until July 4, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Tonight

    Low: 74 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 4pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 92. Heat index values as high as 102. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Patchy Fog
    then T-storms
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 3am. Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers, then showers and thunderstorms likely after 10am. Mostly sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming west around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then showers and thunderstorms likely after 10am. Mostly sunny, with a high near 91. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming west around 5 mph in the afternoon.

    High: 91 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms. Partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 40%.
Sunday
Showers and thunderstorms likely, mainly before 4pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 92. Heat index values as high as 102. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 3am. Partly cloudy, with a low around 73. Calm wind.
Monday
A slight chance of showers, then showers and thunderstorms likely after 10am. Mostly sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming west around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 20%.
Tuesday
A slight chance of showers, then showers and thunderstorms likely after 10am. Mostly sunny, with a high near 91. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 73. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 73. Calm wind becoming west southwest around 5 mph.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Thursday Night
Partly cloudy, with a low around 74.
Friday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 93.
Friday Night
Partly cloudy, with a low around 75.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Toomsuba MS
 32.41°N 88.51°W
Last Update:
6:15 pm CDT Jul 4, 2026
Forecast Valid:
6pm CDT Jul 4, 2026-6pm CDT Jul 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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