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

85°F

29°C

Humidity 61%
Wind Speed Calm
Barometer 30.07 in (1017.7 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 19 Sep 9:54 am CDT
Extended Forecast for

Harrisville MS

Heat Advisory September 19, 12:00pm until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind.

    High: 97 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 97. Heat index values as high as 105. Calm wind becoming west northwest around 5 mph.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 96. Calm wind becoming north northwest around 5 mph.

    High: 96 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 95. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71. North wind around 5 mph becoming calm.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 92. North wind around 5 mph.

    High: 92 °F

    Sunny

Detailed Forecast

Today
Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind.
Tonight
Mostly clear, with a low around 73. Calm wind.
Sunday
Sunny and hot, with a high near 97. Heat index values as high as 105. Calm wind becoming west northwest around 5 mph.
Sunday Night
Mostly clear, with a low around 72. Calm wind.
Monday
Mostly sunny, with a high near 96. Calm wind becoming north northwest around 5 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. Calm wind.
Tuesday
Sunny, with a high near 95. Calm wind becoming north northeast around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 71. North wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 92. North wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 66.
Friday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harrisville MS
 31.97°N 90.08°W
Last Update:
9:15 am CDT Sep 19, 2026
Forecast Valid:
10am CDT Sep 19, 2026-6pm CDT Sep 25, 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