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

72°F

22°C

Humidity 97%
Wind Speed Calm
Barometer 30.03 in (1016.4 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 13 Jun 4:58 am CDT
Extended Forecast for

Decatur MS

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly sunny, with a high near 95. Heat index values as high as 103. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 95 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. Calm wind becoming west southwest around 5 mph after midnight.

    Low: 76 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 94. Heat index values as high as 101. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 72. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    T-storms then
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 80. Calm wind becoming west southwest around 5 mph in the morning. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 80 °F

    Showers then
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. West wind around 5 mph becoming calm. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 67 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 88. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly sunny, with a high near 95. Heat index values as high as 103. Calm wind becoming west southwest around 5 mph in the afternoon.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. Calm wind becoming west southwest around 5 mph after midnight.
Sunday
A chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 94. Heat index values as high as 101. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 72. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and possibly a thunderstorm. High near 80. Calm wind becoming west southwest around 5 mph in the morning. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. West wind around 5 mph becoming calm. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 88. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Wednesday Night
Partly cloudy, with a low around 75.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.
Juneteenth
Showers and thunderstorms likely. Mostly cloudy, with a high near 90. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Decatur MS
 32.43°N 89.12°W
Last Update:
4:15 am CDT Jun 13, 2026
Forecast Valid:
5am CDT Jun 13, 2026-6pm CDT Jun 19, 2026
 
Forecast Discussion
 
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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