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

76°F

24°C

Humidity 91%
Wind Speed S 5 mph
Barometer 30.02 in (1016.8 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 14 Sep 2:53 am CDT
Extended Forecast for

Louise MS

Heat Advisory September 14, 11:00am until September 14, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly between 1pm and 5pm. Sunny and hot, with a high near 99. Heat index values as high as 109. Calm wind becoming south southeast around 5 mph.

    High: 99 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, sunny and hot, with a high near 99. Heat index values as high as 108. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 99 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71. East southeast wind around 5 mph becoming calm.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98. Calm wind becoming east around 5 mph in the afternoon.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 70. East southeast wind around 5 mph becoming calm.

    Low: 70 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 74. Calm wind.
Monday
A 40 percent chance of showers and thunderstorms, mainly between 1pm and 5pm. Sunny and hot, with a high near 99. Heat index values as high as 109. Calm wind becoming south southeast around 5 mph.
Monday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 20%.
Tuesday
Patchy fog before 8am. Otherwise, sunny and hot, with a high near 99. Heat index values as high as 108. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 75. Calm wind.
Wednesday
Sunny and hot, with a high near 99. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 71. East southeast wind around 5 mph becoming calm.
Thursday
Sunny and hot, with a high near 98. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 70. East southeast wind around 5 mph becoming calm.
Friday
Sunny and hot, with a high near 98.
Friday Night
Mostly clear, with a low around 71.
Saturday
Sunny and hot, with a high near 98.
Saturday Night
Mostly clear, with a low around 72.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Louise MS
 32.98°N 90.58°W
Last Update:
2:15 am CDT Sep 14, 2026
Forecast Valid:
3am CDT Sep 14, 2026-6pm CDT Sep 20, 2026
 
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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