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.

Overcast

76°F

24°C

Humidity 91%
Wind Speed Calm
Barometer 30.00 in (1015.6 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 27 Aug 11:58 am CDT
Extended Forecast for

Decatur MS

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly before 2pm. Mostly cloudy, with a high near 91. Heat index values as high as 98. West wind around 5 mph becoming north.

    High: 91 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 1am. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    T-storms
    Likely then
    Slight Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 3pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 93. Heat index values as high as 99. Calm wind becoming north around 5 mph in the afternoon.

    High: 93 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 68. North northeast wind around 5 mph becoming calm.

    Low: 68 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69. East wind around 5 mph becoming calm.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 94 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly before 2pm. Mostly cloudy, with a high near 91. Heat index values as high as 98. West wind around 5 mph becoming north.
Tonight
Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 1am. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 3pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 93. Heat index values as high as 99. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 68. North northeast wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 94. Calm wind becoming east northeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 69. East wind around 5 mph becoming calm.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm in the evening.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind becoming south southeast around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Decatur MS
 32.43°N 89.1°W
Last Update:
12:15 pm CDT Aug 27, 2026
Forecast Valid:
12pm CDT Aug 27, 2026-6pm CDT Sep 2, 2026
 
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Additional Resources

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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