The threat on Hawaii from the tropics will not completely end with Iselle as Julio continues to head to the northwest across the Pacific this weekend.
Based on the expected track and strength of Julio, impacts will be much less severe on the islands as a whole, when compared to Iselle.
Julio is located about 1,000 miles east of Iselle and is forecast to take a path at least 150 miles north of Hawaii spanning Sunday, Monday and Tuesday.
There will be rough seas north and east of the islands. Surf may remain dangerous for swimmers and inexperienced boarders on the northern and eastern sides of the islands.
A few drenching, gusty squalls can also affect islands. Some of the rain may occur on parts of the islands that typically experience little wet weather. Usually, these areas along the southern and western slopes of the islands are fairly dry and sheltered due to prevailing northeasterly trade winds.
According to AccuWeather Hurricane Expert Dan Kottlowski, "A few pockets of heavy rainfall could occur, especially in the higher terrain as a result of the tropical flow of moisture."
Julio will be passing over cooler waters compared to Iselle and is forecast to weaken to a tropical storm this weekend.
The weakening process began on Friday and follows initial strengthening that took place at midweek. Julio strengthened into a Category 3 hurricane Thursday evening, with top sustained winds of around 115 miles per hour. During Friday morning, Julio's strength had slipped slightly to a Category 2 hurricane.
Julio is following a few days behind Iselle in the Pacific. (Satellite/NOAA)
Iselle hit the Big Island as the strongest tropical system on record. Reliable record keeping of tropical systems began in 1950. There have been multiple threats and impacts from the tropics on the islands several days apart over the past 60 years.
Conditions will continue to deteriorate across Hawaii this weekend as Darby delivers locally heavy rain and rough surf.
Much of the eastern United States will continue to swelter with above-average temperatures into the end of the month.
Stifling heat has been baking the central United States but will finally ease across northern areas this weekend.
Lightning killed a teenager on Friday, the second teen lightning death in three days. With thunderstorms continuing to rattle several parts of the nation, more lives will be at risk.
The more than 100,000 people expected to attend the annual Glorious Goodwood festival next week will want to keep a brolly handy.
Seattle, WA (1991)
99 degrees, all-time record high for July.
Heat Wave: Location New Record(F): Old Record(F)/Year: Washington, D.C. 101 100/1987 Philadelphia, PA 99T 99/1978 Atlantic City, NJ 100 96/1987 Harrisburg, PA 103 98/1987 Baltimore, MD 103 98/1987 (Custom House)
New Zealand (1995)
Extreme cold - a bay in Littleton Harbor froze for the first time in "living memory".