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

87°F

31°C

Humidity 75%
Wind Speed W 3 mph
Barometer 30.02 in (1017.0 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 17 Aug 8:53 am CDT
Extended Forecast for

Halley AR

Heat Advisory August 17, 12:00pm until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Isolated showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Heat index values as high as 107. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 99 °F

    Sunny then
    Isolated
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms before 8pm. Mostly clear, with a low around 75. East wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 75 °F

    Isolated
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 102. Heat index values as high as 107. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 102 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. East northeast wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 103. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 103 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. East northeast wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Calm wind becoming north around 5 mph in the afternoon.

    High: 99 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. North northeast wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. North northeast wind 5 to 10 mph.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Isolated showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Heat index values as high as 107. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.
Tonight
Isolated showers and thunderstorms before 8pm. Mostly clear, with a low around 75. East wind around 5 mph becoming calm. Chance of precipitation is 20%.
Monday
Sunny and hot, with a high near 102. Heat index values as high as 107. Calm wind becoming east northeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 76. East northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 103. Calm wind becoming northeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 75. East northeast wind around 5 mph becoming calm in the evening.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. North northeast wind around 5 mph becoming calm in the evening.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. North northeast wind 5 to 10 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 70.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Halley AR
 33.54°N 91.32°W (Elev. 131 ft)
Last Update:
9:35 am CDT Aug 17, 2025
Forecast Valid:
9am CDT Aug 17, 2025-6pm CDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

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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