NWS Forecast Office Jackson, MS

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Last Map Update: Mon, Jun 29, 2026 at 1:10:30 pm CDT

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Dangerous Heat This Week

Forecast Heat Index This Week

Increasing heat and humidity this week will result in dangerous heat stress areawide. Heat index values will peak between 106F to 110F degrees over the area, with potential to exceed 110F degrees in portions of the area. Take frequent breaks and drink plenty of fluids to stay hydrated if you have to be out in this increasingly dangerous heat, especially into the July 4th holiday weekend.

Dangerous heat stress conditions will build this week through next weekend. Peak heat index values will be near or greater than 110 degrees across portions of the area, with some mitigation of the heat due to increased rain chances around mid to late week. Take frequent breaks and stay hydrated, especially into the July 4th holiday weekend.


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NWS Forecast Office Jackson, MS

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