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

77°F

25°C

Humidity 96%
Wind Speed Calm
Barometer 29.93 in (1013.1 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 21 Jun 8:58 pm CDT
Extended Forecast for

Decatur MS

  • Tonight

    Tonight: Partly cloudy, with a low around 75. South wind around 5 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 91. Heat index values as high as 99. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 91 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 89. Heat index values as high as 98. West wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 72. West northwest wind around 5 mph becoming calm.

    Low: 72 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers and thunderstorms likely after 10am. Mostly sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 87. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 87 °F

    T-storms
    Likely

  • Thursday Night

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

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 75. South wind around 5 mph, with gusts as high as 20 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 91. Heat index values as high as 99. Southwest wind around 10 mph, with gusts as high as 20 mph.
Monday Night
A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.
Tuesday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 89. Heat index values as high as 98. West wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 72. West northwest wind around 5 mph becoming calm.
Wednesday
A chance of showers, then showers and thunderstorms likely after 10am. Mostly sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. Calm wind.
Thursday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 87. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 72. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 73.
Saturday
Mostly sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 73.
Sunday
Sunny, with a high near 91.
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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:
8:15 pm CDT Jun 21, 2026
Forecast Valid:
9pm CDT Jun 21, 2026-6pm CDT Jun 28, 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