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

97°F

36°C

Humidity 39%
Wind Speed Vrbl 3 mph
Barometer 30.20 in (1023.2 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 16 Sep 12:53 pm CDT
Extended Forecast for

2 Miles WNW Chatham MS

Heat Advisory September 16, 01:22pm until September 16, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 16, 01:22pm until September 16, 07:00pm

    NOW until 7:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 99 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 74. Southeast wind 5 to 10 mph becoming light south southeast after midnight.

    Low: 74 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98. Heat index values as high as 103. Light and variable wind becoming east 5 to 10 mph in the afternoon.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 72. East southeast wind around 5 mph becoming calm.

    Low: 72 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 99. Calm wind.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 100. Calm wind.

    High: 100 °F

    Hot

  • Saturday Night

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

    Low: 75 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 99. Heat index values as high as 107. Southeast wind 5 to 10 mph.
Tonight
Clear, with a low around 74. Southeast wind 5 to 10 mph becoming light south southeast after midnight.
Thursday
Sunny and hot, with a high near 98. Heat index values as high as 103. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Thursday Night
Clear, with a low around 72. East southeast wind around 5 mph becoming calm.
Friday
Sunny and hot, with a high near 99. Calm wind.
Friday Night
Mostly clear, with a low around 73. Calm wind.
Saturday
Sunny and hot, with a high near 100. Calm wind.
Saturday Night
Mostly clear, with a low around 75. Calm wind.
Sunday
Sunny and hot, with a high near 100. Calm wind.
Sunday Night
Mostly clear, with a low around 75.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 98.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 73.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Chatham MS
 33.1°N 91.11°W
Last Update:
1:15 pm CDT Sep 16, 2026
Forecast Valid:
1pm CDT Sep 16, 2026-6pm CDT Sep 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