Areas in the Northeast face the risk of drenching, gusty and locally severe storms on Wednesday.
Tropical Depression Two has lost its battle to become the next Atlantic tropical storm, but it will still increase shower activity across the Caribbean to end the week.
After temperatures briefly climb to typical midsummer levels, another cooldown will roll into the Midwest and expand to the East for the last part of July.
A potent storm system moving out of the Northwest United States will bring an elevated risk of tornadoes to parts of Alberta and Saskatchewan on Thursday.
Severe thunderstorms that blasted areas of Arkansas with damaging winds and heavy rainfall will continue to race through eastern Texas.
Fresh cooler and less humid air will settle over the Washington, D.C., area for Thursday and Friday.
As California continues to be plagued by intense drought conditions, some surfers are reaping what may be one of very few benefits to such a dry season.
Warm and humid air in place over much of the Northeast at midweek is contributing to the risk of drenching, gusty and locally severe thunderstorms on Wednesday.
Severe thunderstorms are dropping down through the South Central states to close out Wednesday.
North Carolina (1975)
Lightning killed 13 cows during a thunderstorm at Kenansville. Heavy rains elsewhere in the state forced the Tar River out of its banks at Greenville, causing 14 families to evacuate their homes.
New York (1975)
Severe thunderstorms in western and central NY: lightning struck a city park in Rochester injuring 12 children, all were playing on a metal jungle gym. One patrolman described the scene as if "someone threw a stick of dynamite in the middle of the crowd and it blew."
Southeastern MA (1990)
Torrential rains: Middleboro 7.20" Bridgewater 5.00" Tauton 4.33" Abington 3.05" Cars were stranded in high water in Fall River, MA.