National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Meridian, Key Field (KMEI)

Lat: 32.34°NLon: 88.75°WElev: 295ft.

Partly Cloudy

77°F

25°C

Humidity 88%
Wind Speed S 3 mph
Barometer 30.02 in (1015.9 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 3 Sep 12:58 am CDT
Extended Forecast for

Decatur MS

Heat Advisory September 3, 12:00pm until September 3, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers and thunderstorms between 2pm and 5pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 105. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 98 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday 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
    Mostly Clear

  • Friday

    Friday: Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 96. Heat index values as high as 102. Calm wind becoming east northeast around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 96 °F

    Mostly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. East wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 95. Calm wind becoming east northeast 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: 95 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 97. Calm wind becoming east northeast around 5 mph. Chance of precipitation is 40%.

    High: 97 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 75. Calm wind.
Thursday
A slight chance of showers and thunderstorms between 2pm and 5pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 105. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 73. Calm wind.
Friday
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 96. Heat index values as high as 102. Calm wind becoming east northeast around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. East wind around 5 mph becoming calm. Chance of precipitation is 20%.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 95. Calm wind becoming east northeast 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.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. Calm wind.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 97. Calm wind becoming east northeast around 5 mph. Chance of precipitation is 40%.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. Calm wind.
Labor Day
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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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 am CDT Sep 3, 2026
Forecast Valid:
1am CDT Sep 3, 2026-6pm CDT Sep 9, 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