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

95°F

35°C

Humidity 51%
Wind Speed N 6 mph
Barometer 30.01 in (1015.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 18 Aug 11:54 am CDT
Extended Forecast for

Sanatorium MS

Heat Advisory August 18, 12:58pm until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 12:58pm until August 18, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 98 °F

    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

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

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 98. Calm wind becoming north northeast around 5 mph.

    High: 98 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Calm wind becoming north northwest around 5 mph.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 106. Calm wind becoming northeast around 5 mph.
Tonight
Partly cloudy, with a low around 73. Calm wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind becoming east northeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 73. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 98. Calm wind becoming north northeast around 5 mph.
Wednesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 20%.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Calm wind becoming north northwest around 5 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. Calm wind.
Friday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 91. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sanatorium MS
 31.93°N 89.79°W
Last Update:
12:47 pm CDT Aug 18, 2025
Forecast Valid:
12pm CDT Aug 18, 2025-6pm CDT Aug 24, 2025
 
Forecast Discussion
 
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Additional Resources

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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