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.

Fair

79°F

26°C

Humidity 90%
Wind Speed SE 9 mph
Barometer 29.73 in (1007.0 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 17 Jun 11:53 pm CDT
Extended Forecast for

Isola MS

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 75. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 5pm. High near 87. Heat index values as high as 97. South wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 87 °F

    Showers then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: 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 possibly a thunderstorm, mainly before 4pm, then showers and thunderstorms likely after 4pm. Patchy fog before 7am. High near 88. Heat index values as high as 100. Southwest wind around 5 mph becoming north northeast in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    Showers and
    Patchy Fog
    then T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 7pm. Mostly cloudy, with a low around 73. East wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 73 °F

    T-storms
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 89. South southwest 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

    Showers
    Likely then
    T-storms
    Likely

  • Saturday Night

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

    Low: 74 °F

    Chance
    T-storms

  • Sunday

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

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

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

    Low: 76 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 75. South wind around 10 mph, with gusts as high as 20 mph.
Thursday
Showers and thunderstorms, mainly before 5pm. High near 87. Heat index values as high as 97. South wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
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 possibly a thunderstorm, mainly before 4pm, then showers and thunderstorms likely after 4pm. Patchy fog before 7am. High near 88. Heat index values as high as 100. Southwest wind around 5 mph becoming north northeast in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and thunderstorms likely, mainly before 7pm. Mostly cloudy, with a low around 73. East wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 89. South southwest 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.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. South wind around 5 mph.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Isola MS
 33.27°N 90.59°W
Last Update:
1:15 am CDT Jun 18, 2026
Forecast Valid:
1am CDT Jun 18, 2026-6pm CDT Jun 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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