Forecasters have issued a heat advisory covering the entire state of Alabama as temperatures are expected to approach 100 degrees.
The National Weather Service said the heat advisory will be in effect starting at 11 a.m. Friday.
Weather service forecasters expect temperatures to range from 95 degrees to 100 degrees across much of the state.
Forecasters say the heat index -- what the temperature feels like -- will climb to 110 degrees in some areas.
In the Mobile area, highs are expected to hit 96 degrees Friday, 98 on Saturday and 99 on Sunday.
Soaring temperatures are prompting warnings about extreme heat in parts of Alabama.
Highs in the upper 90s will combine with humidity to make it feel like it's nearly 110 degrees in some areas.
Forecasters say it will be even worse over the weekend as temperatures climb higher and rain chances remain low.
The National Weather Service has issued a heat advisory that reaches from north of Birmingham southward in to southeastern corner of the state.
Forecasters say the advisory extends from Friday morning through Sunday night.
Forecasters are warning of dangerous heat in parts of northern Alabama. The National Weather Service issued a heat advisory for nine counties, including the cities of Athens, Cullman, Decatur, Florence, Huntsville and surrounding areas. Forecasters project that temperatures will soar into the mid and upper 90s in the area on Wednesday afternoon and early evening. The heat advisory is set to run from 1 p.m. Wednesday through 7 p.m. Wednesday.