Thunderstorms in Southern California caused injuries and a death on Sunday due to lightning.
Several people were taken to the hospital after a lightning bolt struck in Venice Beach during the afternoon.
An unusual shift in monsoonal moisture brought storms to the region and impacted the beaches of the area.
CNN's Indra Petersons explained the events of the dangerous weather.More on the Venice Beach lightning injuries
Air Algerie Flight 5017 disappeared from tracking radar early Thursday morning at around 2am local time.
The flight was approximately 50 minutes after its departure from Ougadougou, Burkina Faso in western Africa.
During that time period, thunderstorms were observed to the north of the airport and along the flight path to Algiers, Algeria.
CNN's Indra Petersons examined the weather that could have impacted the plane and the source of these storms.
Follow developments on this story at CNN.com
The weather story of the week continues to be cold temperatures that do not resemble summer.
While Chicago reached 80° yesterday, the high might not reach 70° today.
The cold air is moving further south and east, reaching Atlanta and New York City tomorrow.
Ahead of the chill, strong storms could develop in the Northeast today.
Another round of thunderstorms will threaten with damaging winds and heavy rain from the Mid-Atlantic to New England.
While the strong storms with the cold front should diminish tomorrow, the story of the chilly air will not be done.
One of the hottest months of the year will receive a dose of cold weather this week in parts of the country.
An unseasonable dip in the jet stream will usher chilly air in the Midwest early this week and reach parts of the Northeast and South by Wednesday.
Parts of the Upper Midwest will dive into the 40's.
Temperatures will be 10-20° below average for this time of year.
Ahead of the cold air, strong storms will bring heavy rain to parts of the Northeast.
CNN's Jennifer Gray explores the impacts of the July chill in the video above.