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.

Partly Cloudy

94°F

34°C

Humidity 54%
Wind Speed W 6 mph
Barometer 30.08 in (1018.1 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 21 Jun 2:54 pm CDT
Extended Forecast for

3 Miles WNW Harperville MS

Heat Advisory until June 21, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until June 21, 07:00pm

    NOW until 7:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 95 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Some of the storms could produce heavy rainfall. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 30%.

    Low: 72 °F

    Heavy Rain
    then Slight
    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 93. Heat index values as high as 103. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Patchy Fog
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Patchy fog after 3am. Otherwise, mostly clear, with a low around 72. Calm wind. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 92. Calm wind becoming east around 5 mph.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 10 percent chance of showers and thunderstorms before 7pm. Patchy fog after 3am. Otherwise, mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Slight Chance
    T-storms then
    Patchy Fog

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 3pm. Patchy fog before 8am. Otherwise, sunny, with a high near 93. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 93 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Slight Chance
    T-storms then
    Mostly Clear

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 95. Heat index values as high as 106. Calm wind.
Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Some of the storms could produce heavy rainfall. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 30%.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 93. Heat index values as high as 103. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Patchy fog after 3am. Otherwise, mostly clear, with a low around 72. Calm wind. Chance of precipitation is 20%.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 92. Calm wind becoming east around 5 mph.
Monday Night
A 10 percent chance of showers and thunderstorms before 7pm. Patchy fog after 3am. Otherwise, mostly clear, with a low around 72. Calm wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 3pm. Patchy fog before 8am. Otherwise, sunny, with a high near 93. Calm wind becoming east southeast around 5 mph in the afternoon.
Tuesday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 72. Calm wind.
Wednesday
Sunny, with a high near 95. Calm wind becoming east around 5 mph.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Thursday Night
Partly cloudy, with a low around 72.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Harperville MS
 32.49°N 89.5°W
Last Update:
3:15 pm CDT Jun 21, 2025
Forecast Valid:
3pm CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
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