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.

Fair

81°F

27°C

Humidity 77%
Wind Speed SW 5 mph
Barometer 30.09 in (1019.1 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 16 Aug 3:53 am CDT
Extended Forecast for

3 Miles SW Chatham MS

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

    NOW until 8:00pm Mon

    Extreme Heat Warning

  • Overnight

    Low: 78 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 101. Heat index values as high as 111. West wind around 5 mph.

    High: 101 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 79. Calm wind becoming southwest around 5 mph after midnight.

    Low: 79 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 102. Heat index values as high as 109. West wind around 5 mph.

    High: 102 °F

    Hot

  • Monday Night

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

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 102. West wind around 5 mph.

    High: 102 °F

    Hot

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 77. West wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 77 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: Sunny and hot, with a high near 101. West southwest wind around 5 mph.

    High: 101 °F

    Hot

Detailed Forecast

Overnight
Mostly clear, with a low around 78. West southwest wind around 5 mph.
Sunday
Sunny and hot, with a high near 101. Heat index values as high as 111. West wind around 5 mph.
Sunday Night
Mostly clear, with a low around 79. Calm wind becoming southwest around 5 mph after midnight.
Monday
Sunny and hot, with a high near 102. Heat index values as high as 109. West wind around 5 mph.
Monday Night
Mostly clear, with a low around 78. West southwest wind around 5 mph becoming calm.
Tuesday
Sunny and hot, with a high near 102. West wind around 5 mph.
Tuesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 77. West wind around 5 mph becoming calm. Chance of precipitation is 20%.
Wednesday
Sunny and hot, with a high near 101. West southwest wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 78. South wind around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 100.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Friday
Mostly sunny and hot, with a high near 97.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny and hot, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Chatham MS
 33.06°N 91.12°W
Last Update:
3:15 am CDT Aug 16, 2026
Forecast Valid:
4am CDT Aug 16, 2026-6pm CDT Aug 22, 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