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.

A Few Clouds

92°F

33°C

Humidity 58%
Wind Speed NE 8 mph
Barometer 29.91 in (1012.5 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 5 Jul 2:58 pm CDT
Extended Forecast for

Decatur MS

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly before 5pm. Partly sunny, with a high near 92. Heat index values as high as 98. West northwest wind 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: 92 °F

    T-storms
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 90. Heat index values as high as 99. Calm wind becoming west around 5 mph in the afternoon.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 9pm, then a slight chance of showers after 4am. Increasing clouds, with a low around 72. Calm wind. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 91. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

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

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 92. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 92 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 73. Calm wind becoming southwest around 5 mph.

    Low: 73 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Calm wind becoming west southwest around 5 mph in the morning.

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly before 5pm. Partly sunny, with a high near 92. Heat index values as high as 98. West northwest wind 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.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 73. Calm wind.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 90. Heat index values as high as 99. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
A chance of showers and thunderstorms before 9pm, then a slight chance of showers after 4am. Increasing clouds, with a low around 72. Calm wind. Chance of precipitation is 30%.
Tuesday
A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 91. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Partly cloudy, with a low around 72. Calm wind.
Wednesday
A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 92. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 73. Calm wind becoming southwest around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Calm wind becoming west southwest around 5 mph in the morning.
Thursday Night
Partly cloudy, with a low around 74.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 74.
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:
Decatur MS
 32.43°N 89.12°W
Last Update:
2:15 pm CDT Jul 5, 2026
Forecast Valid:
3pm CDT Jul 5, 2026-6pm CDT Jul 11, 2026
 
Forecast Discussion
 
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Additional Resources

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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