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.

Fair

79°F

26°C

Humidity 90%
Wind Speed SW 5 mph
Barometer 29.98 in (1014.7 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 20 Aug 4:54 am CDT
Extended Forecast for

Madison MS

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

  • Today

    Today: Isolated showers and thunderstorms after 5pm. Sunny and hot, with a high near 99. Heat index values as high as 111. West wind around 5 mph. Chance of precipitation is 10%.

    High: 99 °F

    Sunny then
    Isolated
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 10pm. Increasing clouds, with a low around 75. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 75 °F

    Scattered
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 99. Heat index values as high as 111. West southwest wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 20%.

    High: 99 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 72. West northwest wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

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

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 97. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 95. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 95 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Today
Isolated showers and thunderstorms after 5pm. Sunny and hot, with a high near 99. Heat index values as high as 111. West wind around 5 mph. Chance of precipitation is 10%.
Tonight
Scattered showers and thunderstorms, mainly before 10pm. Increasing clouds, with a low around 75. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Friday
A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 99. Heat index values as high as 111. West southwest wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 20%.
Friday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 72. West northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny and hot, with a high near 98. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 74. Calm wind.
Sunday
Mostly sunny and hot, with a high near 97. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 20%.
Monday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 95. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 74.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 97.
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ABOUT THIS FORECAST

 
Point Forecast:
Madison MS
 32.44°N 90.12°W
Last Update:
5:15 am CDT Aug 20, 2026
Forecast Valid:
5am 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