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

75°F

24°C

Humidity 94%
Wind Speed Calm
Barometer 30.11 in (1019.0 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 8 Aug 1:58 am CDT
Extended Forecast for

Decatur MS

  • Overnight

    Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Patchy Fog

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 93. Heat index values as high as 101. Calm wind becoming south southwest around 5 mph.

    High: 93 °F

    Patchy Fog
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly sunny, with a high near 93. Heat index values as high as 101. 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

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 74. South wind around 5 mph becoming calm.

    Low: 74 °F

    Partly Cloudy

  • Tuesday

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

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. South wind around 5 mph.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 72. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 93. Heat index values as high as 101. Calm wind becoming south southwest around 5 mph.
Saturday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 73. Calm wind.
Sunday
A 50 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly sunny, with a high near 93. Heat index values as high as 101. Calm wind becoming west around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 72. Calm wind.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind becoming south southwest around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 74. South wind around 5 mph becoming calm.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 74. South wind around 5 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94.
Wednesday Night
Partly cloudy, with a low around 75.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Thursday Night
Mostly clear, with a low around 75.
Friday
Sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
Decatur MS
 32.43°N 89.12°W
Last Update:
2:15 am CDT Aug 8, 2026
Forecast Valid:
3am CDT Aug 8, 2026-6pm CDT Aug 14, 2026
 
Forecast Discussion
 
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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