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

Hazardous Weather Conditions

Current conditions at

Greenville, Mid Delta Regional Airport (KGLH)

Lat: 33.48°NLon: 90.99°WElev: 131ft.

A Few Clouds

86°F

30°C

Humidity 63%
Wind Speed SW 13 mph
Barometer 30.00 in (1016.1 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 17 Aug 2:53 am CDT
Extended Forecast for

8 Miles W Isola MS

Extreme Heat Warning August 17, 03:22am until August 17, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 17, 03:22am until August 17, 08:00pm

    NOW until 8:00pm Mon

    Extreme Heat Warning

  • Overnight

    Low: 79 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 103. Heat index values as high as 111. West wind 5 to 10 mph.

    High: 103 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 78. Southwest wind around 5 mph becoming calm.

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 102. Heat index values as high as 110. Calm wind becoming west northwest around 5 mph.

    High: 102 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. Calm wind.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 103. West southwest wind around 5 mph.

    High: 103 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 78. South southeast wind around 5 mph.

    Low: 78 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 100. West wind around 5 mph.

    High: 100 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 79. Southwest wind around 5 mph.
Monday
Sunny and hot, with a high near 103. Heat index values as high as 111. West wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 78. Southwest wind around 5 mph becoming calm.
Tuesday
Sunny and hot, with a high near 102. Heat index values as high as 110. Calm wind becoming west northwest around 5 mph.
Tuesday Night
Mostly clear, with a low around 77. Calm wind.
Wednesday
Sunny and hot, with a high near 103. West southwest wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 78. South southeast wind around 5 mph.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 100. West wind around 5 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 97. Chance of precipitation is 30%.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 96.
Saturday Night
Clear, with a low around 72.
Sunday
Sunny and hot, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles W Isola MS
 33.25°N 90.73°W
Last Update:
3:15 am CDT Aug 17, 2026
Forecast Valid:
3am CDT Aug 17, 2026-6pm CDT Aug 23, 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