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

83°F

28°C

Humidity 77%
Wind Speed Calm
Barometer 29.97 in (1015.2 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 17 Aug 8:53 pm CDT
Extended Forecast for

4 Miles N Snow Lake AR

Heat Advisory August 17, 09:50pm until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 17, 09:50pm until August 18, 08:00pm

    NOW until 8:00pm Tue

    Heat Advisory

  • Tonight

    Low: 77 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 99. Heat index values as high as 112. Northeast wind around 5 mph becoming calm.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 78. Calm wind becoming south around 5 mph.

    Low: 78 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 103. Heat index values as high as 115. South southwest wind around 5 mph.

    High: 103 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 79. South wind around 5 mph.

    Low: 79 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97. West wind around 5 mph.

    High: 97 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm.

    Low: 75 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 96. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 96 °F

    Mostly Sunny

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 77. Calm wind.
Tuesday
Mostly sunny and hot, with a high near 99. Heat index values as high as 112. Northeast wind around 5 mph becoming calm.
Tuesday Night
Mostly clear, with a low around 78. Calm wind becoming south around 5 mph.
Wednesday
Sunny and hot, with a high near 103. Heat index values as high as 115. South southwest wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 79. South wind around 5 mph.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97. West wind around 5 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 96. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 74. North northeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny and hot, with a high near 97.
Saturday Night
Mostly clear, with a low around 73.
Sunday
Sunny, with a high near 96.
Sunday Night
A 20 percent chance of showers. Mostly clear, with a low around 74.
Monday
A 20 percent chance of showers. Mostly sunny and hot, with a high near 97.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Snow Lake AR
 34.1°N 91.05°W (Elev. 148 ft)
Last Update:
9:35 pm CDT Aug 17, 2026
Forecast Valid:
9pm CDT Aug 17, 2026-6pm CDT Aug 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