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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

80°F

27°C

Humidity 82%
Wind Speed W 5 mph
Barometer 29.83 in (1010.6 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 28 Jul 4:53 am CDT
Extended Forecast for

Chatham MS

Extreme Heat Warning July 28, 10:00am until July 28, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Today

    Today: Sunny and hot, with a high near 98. Heat index values as high as 109. West southwest wind around 10 mph.

    High: 98 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 78. Southwest wind around 10 mph.

    Low: 78 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly sunny, with a high near 96. Heat index values as high as 109. West southwest wind around 5 mph becoming north northwest in the afternoon.

    High: 96 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 75. North wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Calm wind becoming north around 5 mph in the afternoon.

    High: 93 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 74. Northeast wind around 5 mph becoming calm.

    Low: 74 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 93 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 76. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 93. West southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 93 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Sunny and hot, with a high near 98. Heat index values as high as 109. West southwest wind around 10 mph.
Tonight
Mostly clear, with a low around 78. Southwest wind around 10 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 5pm. Mostly sunny, with a high near 96. Heat index values as high as 109. West southwest wind around 5 mph becoming north northwest in the afternoon.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 75. North wind around 5 mph becoming calm in the evening.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 74. Northeast wind around 5 mph becoming calm.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 76. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 93. West southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Saturday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 72.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chatham MS
 33.08°N 91.06°W
Last Update:
5:15 am CDT Jul 28, 2026
Forecast Valid:
5am CDT Jul 28, 2026-6pm CDT Aug 3, 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