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

85°F

29°C

Humidity 70%
Wind Speed SW 9 mph
Barometer 29.96 in (1014.7 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 19 Aug 7:53 am CDT
Extended Forecast for

4 Miles SE Wayside MS

Extreme Heat Warning until August 19, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning until August 19, 09:00pm

    NOW until 9:00pm Wed

    Extreme Heat Warning

  • Today

    High: 103 °F

    Sunny then
    Slight Chance
    Showers

  • Tonight

    Tonight: 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 5 to 10 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. Southeast wind around 5 mph becoming south southwest after midnight.

    Low: 77 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Sunny and hot, with a high near 101. Southwest wind 5 to 10 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 5 to 10 mph becoming light and variable 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

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. North wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Today
A 20 percent chance of showers after 3pm. Sunny and hot, with a high near 103. Heat index values as high as 112. Southwest wind 5 to 10 mph.
Tonight
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 5 to 10 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 77. Southeast wind around 5 mph becoming south southwest after midnight.
Friday
Sunny and hot, with a high near 101. Southwest wind 5 to 10 mph becoming north northwest in the afternoon.
Friday Night
Mostly clear, with a low around 74. North northeast wind 5 to 10 mph becoming light and variable 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 102. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 76.
Monday
A 20 percent chance of showers. Sunny and hot, with a high near 100.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Sunny and hot, with a high near 101.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Wayside MS
 33.21°N 90.97°W
Last Update:
8:15 am CDT Aug 19, 2026
Forecast Valid:
8am 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