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

80°F

27°C

Humidity 82%
Wind Speed SW 3 mph
Barometer 29.95 in (1014.6 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 19 Aug 12:53 am CDT
Extended Forecast for

Wayside MS

Heat Advisory August 19, 01:36am until August 19, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 19, 01:36am until August 19, 09:00pm

    NOW until 9:00pm Wed

    Heat Advisory

  • Overnight

    Low: 78 °F

    Partly Cloudy

  • Wednesday

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

    High: 103 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 79. South wind 5 to 10 mph.

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 102. Heat index values as high as 110. Southwest wind around 5 mph.

    High: 102 °F

    Hot

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 77. South southwest wind around 5 mph.

    Low: 77 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Sunny and hot, with a high near 101. West southwest wind around 5 mph becoming north northwest in the afternoon.

    High: 101 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. North northeast wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 100. Calm wind becoming north around 5 mph in the afternoon.

    High: 100 °F

    Hot

Detailed Forecast

Overnight
Partly cloudy, with a low around 78. South wind around 5 mph.
Wednesday
Sunny and hot, with a high near 103. Heat index values as high as 111. Southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 79. South wind 5 to 10 mph.
Thursday
Sunny and hot, with a high near 102. Heat index values as high as 110. Southwest wind around 5 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 77. South southwest wind around 5 mph.
Friday
Sunny and hot, with a high near 101. West southwest wind around 5 mph becoming north northwest 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 100. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 75. North wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny and hot, with a high near 101.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny and hot, with a high near 100.
Monday Night
Mostly clear, with a low around 77.
Tuesday
Sunny and hot, with a high near 101.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wayside MS
 33.26°N 91.03°W
Last Update:
1:26 am CDT Aug 19, 2026
Forecast Valid:
1am CDT Aug 19, 2026-6pm CDT Aug 25, 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