National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Meridian, Key Field (KMEI)

Lat: 32.34°NLon: 88.75°WElev: 295ft.

Fair

77°F

25°C

Humidity 94%
Wind Speed Calm
Barometer 29.96 in (1014.1 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 12 Aug 9:58 pm CDT
Extended Forecast for

Decatur MS

  • Tonight

    Tonight: A slight chance of showers before 2am, then a slight chance of showers after 3am. Mostly cloudy, with a low around 73. Calm wind. Chance of precipitation is 20%.

    Low: 73 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 90. Heat index values as high as 98. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Slight Chance
    T-storms then
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then showers and thunderstorms likely after 10am. Mostly sunny, with a high near 92. Heat index values as high as 99. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Partly Cloudy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind becoming west around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Calm wind.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers before 2am, then a slight chance of showers after 3am. Mostly cloudy, with a low around 73. Calm wind. Chance of precipitation is 20%.
Wednesday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 90. Heat index values as high as 98. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm. Chance of precipitation is 20%.
Thursday
A slight chance of showers, then showers and thunderstorms likely after 10am. Mostly sunny, with a high near 92. Heat index values as high as 99. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 72. Calm wind.
Friday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind becoming west around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Partly cloudy, with a low around 73. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Calm wind.
Saturday Night
Partly cloudy, with a low around 73. Calm wind.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 73.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 73.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Decatur MS
 32.43°N 89.12°W
Last Update:
10:15 pm CDT Aug 12, 2025
Forecast Valid:
10pm CDT Aug 12, 2025-6pm CDT Aug 19, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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