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

Jackson, Jackson International Airport (KJAN)

Lat: 32.32°NLon: 90.08°WElev: 344ft.

Fair

68°F

20°C

Humidity 96%
Wind Speed Calm
Barometer 30.01 in (1015.8 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 5 Aug 2:54 am CDT
Extended Forecast for

4 Miles W Harrisville MS

  • Overnight

    Overnight: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97. Heat index values as high as 100. Calm wind becoming north northwest around 5 mph.

    High: 97 °F

    Hot

  • Wednesday Night

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

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Patchy fog before 7am. Otherwise, mostly sunny and hot, with a high near 97. Heat index values as high as 105. Calm wind. Chance of precipitation is 30%.

    High: 97 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 7pm. Patchy fog after 4am. Otherwise, mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Chance
    T-storms then
    Patchy Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, sunny and hot, with a high near 97. Calm wind becoming southeast around 5 mph.

    High: 97 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

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

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 97. Calm wind.

    High: 97 °F

    Hot

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 70. Calm wind.
Wednesday
Sunny and hot, with a high near 97. Heat index values as high as 100. Calm wind becoming north northwest around 5 mph.
Wednesday Night
Mostly clear, with a low around 72. Calm wind.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Patchy fog before 7am. Otherwise, mostly sunny and hot, with a high near 97. Heat index values as high as 105. Calm wind. Chance of precipitation is 30%.
Thursday Night
A 30 percent chance of showers and thunderstorms before 7pm. Patchy fog after 4am. Otherwise, mostly clear, with a low around 72. Calm wind.
Friday
Patchy fog before 8am. Otherwise, sunny and hot, with a high near 97. Calm wind becoming southeast around 5 mph.
Friday Night
Mostly clear, with a low around 73. Calm wind.
Saturday
Sunny and hot, with a high near 97. Calm wind.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 20%.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 96.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Harrisville MS
 31.95°N 90.16°W
Last Update:
2:15 am CDT Aug 5, 2026
Forecast Valid:
3am CDT Aug 5, 2026-6pm CDT Aug 11, 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