The heat index considers the actual temperature and amount of moisture in the air using the dew point or relative humidity.

The upper ridge (or heat dome) will remain in control another day. Expect highs in the mid to upper 90s with heat indices between 105° and 110°. A Heat Advisory is in place for portions of our FOX10 ...

The heat index could get as high as 111 in South Florida, with the strongest heat expected along the southern Gulf Coast.

Having reliable, loud, and timely emergency alerts on your phone or device is important because when severe weather strikes, ...

The Department of Labor and Employment-Bureau of Working Conditions (DOLE-BWC) on Monday reminded business establishments ...

This is the first year that local Weather Service offices have begun issuing heat advisories. Before this month, any risk of heat was disseminated through special weather statements.

Heat index values are expected in the middle to upper 90s in the metro this afternoon, and severe storms are possible later ...

Above-average temperatures are again in the forecast for Alabama on Wednesday, and heat advisories will be in effect for a large part of the state. The National Weather Service is forecasting high ...

The National Weather Service released an updated heat advisory at 4:08 a.m. on Thursday in effect until 7 p.m. for Winston, Walker, Blount, Etowah, Calhoun, Cherokee ...

When deadly floods hit Texas, alert systems fell short. With bad weather headed for Lafayette, how do local systems work to ...

The Chicago weather forecast includes a Heat Advisory for the entire area and an Extreme Heat Warning for Cook County Saturday, Sunday and Monday.