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

Greenville, Mid Delta Regional Airport (KGLH)

Lat: 33.48°NLon: 90.99°WElev: 131ft.

Overcast

78°F

26°C

Humidity 93%
Wind Speed SE 7 mph
Barometer 29.75 in (1007.8 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 18 Jun 10:53 am CDT
Extended Forecast for

Isola MS

  • Today

    Today: Showers and possibly a thunderstorm before 4pm, then showers and thunderstorms likely, mainly between 4pm and 5pm. High near 87. Heat index values as high as 97. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 3am, then a chance of showers between 3am and 4am, then showers likely and possibly a thunderstorm after 4am. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 74 °F

    Chance
    T-storms then
    Showers
    Likely and
    Patchy Fog

  • Juneteenth

    Juneteenth: Showers and thunderstorms, mainly before 3pm. Some of the storms could produce heavy rainfall. Patchy fog before 7am. High near 88. Heat index values as high as 99. Calm wind becoming northeast around 5 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 88 °F

    Heavy Rain
    and Patchy
    Fog then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. East wind around 5 mph becoming calm. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 88. South southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 88 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Southeast wind around 5 mph.

    Low: 74 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 90. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 90 °F

    Chance
    Showers then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 76 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Showers and possibly a thunderstorm before 4pm, then showers and thunderstorms likely, mainly between 4pm and 5pm. High near 87. Heat index values as high as 97. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 3am, then a chance of showers between 3am and 4am, then showers likely and possibly a thunderstorm after 4am. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Juneteenth
Showers and thunderstorms, mainly before 3pm. Some of the storms could produce heavy rainfall. Patchy fog before 7am. High near 88. Heat index values as high as 99. Calm wind becoming northeast around 5 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. East wind around 5 mph becoming calm. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 88. South southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Southeast wind around 5 mph.
Sunday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 90. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Isola MS
 33.27°N 90.59°W
Last Update:
11:15 am CDT Jun 18, 2026
Forecast Valid:
11am CDT Jun 18, 2026-6pm CDT Jun 24, 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