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

78°F

26°C

Humidity 85%
Wind Speed S 5 mph
Barometer 29.96 in (1013.9 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 20 Aug 2:54 am CDT
Extended Forecast for

4 Miles ENE Pelahatchie MS

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

  • Overnight

    Overnight: Mostly clear, with a low around 75. Southwest wind around 5 mph.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Isolated showers and thunderstorms after 4pm. Sunny and hot, with a high near 100. Heat index values as high as 110. West wind around 5 mph. Chance of precipitation is 20%.

    High: 100 °F

    Sunny then
    Isolated
    T-storms

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 73. South wind around 5 mph becoming calm. Chance of precipitation is 40%.

    Low: 73 °F

    Scattered
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 3pm. Sunny and hot, with a high near 100. Heat index values as high as 109. Calm wind becoming west around 5 mph in the afternoon.

    High: 100 °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 71. West northwest wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 100. Calm wind becoming north around 5 mph in the afternoon.

    High: 100 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 99. Calm wind becoming northwest around 5 mph.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 75. Southwest wind around 5 mph.
Thursday
Isolated showers and thunderstorms after 4pm. Sunny and hot, with a high near 100. Heat index values as high as 110. West wind around 5 mph. Chance of precipitation is 20%.
Thursday Night
Scattered showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 73. South wind around 5 mph becoming calm. Chance of precipitation is 40%.
Friday
A 20 percent chance of showers and thunderstorms after 3pm. Sunny and hot, with a high near 100. Heat index values as high as 109. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 71. West northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny and hot, with a high near 100. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 71. Calm wind.
Sunday
Mostly sunny and hot, with a high near 99. Calm wind becoming northwest around 5 mph.
Sunday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 72. Calm wind.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 97.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 98.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Pelahatchie MS
 32.34°N 89.72°W
Last Update:
3:15 am CDT Aug 20, 2026
Forecast Valid:
3am 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