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

74°F

23°C

Humidity 94%
Wind Speed NW 3 mph
Barometer 29.99 in (1015.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 23 Aug 3:53 am CDT
Extended Forecast for

4 Miles SSW Louise MS

Heat Advisory August 23, 11:00am until August 23, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Chance
    Showers

  • Sunday

    Sunday: A 10 percent chance of showers and thunderstorms before 7am. Sunny and hot, with a high near 97. Heat index values as high as 106. Calm wind becoming northeast around 5 mph.

    High: 97 °F

    Slight Chance
    T-storms then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. North northeast wind around 5 mph becoming calm.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 11am. Partly sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming east around 5 mph.

    High: 91 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm.

    Low: 73 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 96. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 96 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. South wind around 5 mph.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after 1pm. Sunny, with a high near 96. Southwest wind around 5 mph. Chance of precipitation is 20%.

    High: 96 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 73. South southwest wind around 5 mph becoming calm. Chance of precipitation is 50%.

    Low: 73 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. Calm wind.
Sunday
A 10 percent chance of showers and thunderstorms before 7am. Sunny and hot, with a high near 97. Heat index values as high as 106. Calm wind becoming northeast around 5 mph.
Sunday Night
Mostly clear, with a low around 73. North northeast wind around 5 mph becoming calm.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 11am. Partly sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming east around 5 mph.
Monday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm.
Tuesday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 96. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 74. South wind around 5 mph.
Wednesday
A slight chance of showers, with thunderstorms also possible after 1pm. Sunny, with a high near 96. Southwest wind around 5 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. South southwest wind around 5 mph becoming calm. Chance of precipitation is 50%.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Thursday Night
Mostly clear, with a low around 71.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 71.
Saturday
Sunny, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Louise MS
 32.93°N 90.61°W
Last Update:
4:15 am CDT Aug 23, 2026
Forecast Valid:
4am CDT Aug 23, 2026-6pm CDT Aug 29, 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