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Hazardous Weather Conditions

Current conditions at

Greenville, Mid Delta Regional Airport (KGLH)

Lat: 33.48°NLon: 90.99°WElev: 131ft.

Fair

84°F

29°C

Humidity 70%
Wind Speed S 10 mph
Barometer 29.91 in (1013.4 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 20 Aug 12:53 am CDT
Extended Forecast for

Greenville Municipal Airport MS

Heat Advisory August 20, 11:00am until August 20, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 83. South southwest wind around 10 mph.

    Low: 83 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 100. Heat index values as high as 109. Southwest wind 5 to 10 mph.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 76. Southeast wind around 5 mph becoming southwest after midnight. Chance of precipitation is 40%.

    Low: 76 °F

    Chance
    T-storms

  • Friday

    Friday: Partly sunny, then gradually becoming sunny and hot, with a high near 99. Heat index values as high as 109. Southwest wind around 5 mph becoming north in the afternoon.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. North northeast wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Clear

  • Saturday

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

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73. Northeast wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Clear

  • Sunday

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

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 74. East southeast wind around 5 mph.

    Low: 74 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 83. South southwest wind around 10 mph.
Thursday
Sunny and hot, with a high near 100. Heat index values as high as 109. Southwest wind 5 to 10 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 76. Southeast wind around 5 mph becoming southwest after midnight. Chance of precipitation is 40%.
Friday
Partly sunny, then gradually becoming sunny and hot, with a high near 99. Heat index values as high as 109. Southwest wind around 5 mph becoming north in the afternoon.
Friday Night
Mostly clear, with a low around 73. North northeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny and hot, with a high near 99. Calm wind becoming northeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 73. Northeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny and hot, with a high near 100. Calm wind becoming west northwest around 5 mph in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 74. East southeast wind around 5 mph.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 98.
Monday Night
Mostly clear, with a low around 76.
Tuesday
A 20 percent chance of showers. Sunny and hot, with a high near 99.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 100.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Greenville Municipal Airport MS
 33.46°N 90.99°W
Last Update:
12:15 am CDT Aug 20, 2026
Forecast Valid:
1am CDT Aug 20, 2026-6pm CDT Aug 26, 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