The National Weather Service released a severe thunderstorm warning at 7:22 p.m. EDT on Friday in effect until 8:15 p.m. EDT for Genesee, Lapeer and Oakland counties.

A report from the National Weather Service was issued on Friday at 5:25 p.m. for strong thunderstorms until 6 p.m. for Autauga and Elmore counties.

Sunday continues the pattern of scattered afternoon thunderstorms, with the Storm Prediction Center noting a marginal risk of severe weather for western New Jersey counties. Heat indices may approach 95 degrees, creating potentially uncomfortable conditions for outdoor activities.

A severe thunderstorm warning was issued by the National Weather Service on Friday at 7:20 p.m. in effect until 7:45 p.m. for Centre, Clinton, Lycoming and Union counties.

The National Weather Service issued a weather alert at 7:22 p.m. on Friday for strong thunderstorms until 8:15 p.m. for Madison and Morgan counties.

A severe thunderstorm warning was issued by the National Weather Service on Friday at 6:39 p.m. in effect until 7:45 p.m. for Franklin, Hampden and Hampshire counties.

An updated report from the National Weather Service was issued on Friday at 6:27 p.m. for strong thunderstorms until 7:15 p.m. The alert is for Clay, Clinton, Caldwell and Ray counties.

The Federal Aviation Administration on Friday afternoon ordered a ground stop for Denver International Airport. All departures to Denver are grounded through 4:15 p.m.

A severe thunderstorm warning was released by the National Weather Service on Friday at 4:28 p.m. EDT in effect until 5:15 p.m. EDT for Gratiot County.

At 6:01 p.m. on Friday, the National Weather Service released a severe thunderstorm warning in effect until 7 p.m. for Middlesex and Worcester counties.

After an afternoon filled with tornado sirens, lightning strikes, torrential rain and visible cloud rotation near Iowa Speedway, IndyCar canceled Friday afternoon practice.