National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Jackson, Jackson International Airport (KJAN)

Lat: 32.32°NLon: 90.08°WElev: 344ft.

A Few Clouds

99°F

37°C

Humidity 45%
Wind Speed W 8 mph
Barometer 30.07 in (1017.6 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index111°F (44°C)
Last update 17 Aug 12:54 pm CDT
Extended Forecast for

Mendenhall MS

Heat Advisory August 18, 11:00am until August 18, 08:00pm
Extreme Heat Warning August 17, 01:51pm until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
  •  
    Extreme Heat Warning August 17, 01:51pm until August 17, 08:00pm

    NOW until 8:00pm Mon

    Extreme Heat Warning

  • This Afternoon

    High: 101 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 77. West southwest wind around 5 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 10 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 101. Heat index values as high as 109. West northwest wind around 5 mph.

    High: 101 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms between 9pm and 10pm. Partly cloudy, with a low around 76. West northwest wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 76 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 101. West southwest wind around 5 mph.

    High: 101 °F

    Hot

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 75. South southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 98. West wind around 5 mph becoming calm in the afternoon.

    High: 98 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 101. Heat index values as high as 109. West wind around 5 mph.
Tonight
Mostly clear, with a low around 77. West southwest wind around 5 mph.
Tuesday
A 10 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 101. Heat index values as high as 109. West northwest wind around 5 mph.
Tuesday Night
A slight chance of showers and thunderstorms between 9pm and 10pm. Partly cloudy, with a low around 76. West northwest wind around 5 mph becoming calm. Chance of precipitation is 20%.
Wednesday
Sunny and hot, with a high near 101. West southwest wind around 5 mph.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 75. South southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 98. West wind around 5 mph becoming calm in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 97. Calm wind becoming west around 5 mph.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72.
Saturday
Sunny and hot, with a high near 98.
Saturday Night
Mostly clear, with a low around 72.
Sunday
Sunny and hot, with a high near 99.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mendenhall MS
 31.96°N 89.87°W
Last Update:
1:26 pm CDT Aug 17, 2026
Forecast Valid:
1pm CDT Aug 17, 2026-6pm CDT Aug 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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