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What is left of Tropical Storm Iselle was tough to pick out on satellite pictures late Friday, while Hurricane Julio moved closer to Hawaii from the east. (NOAA)

Tropical Storm Iselle made landfall near Pahala on Hawaii's Big Island early Friday and weakened steadily, barely maintaining tropical storm strength at day's end.

Meanwhile, Hurricane Julio lurked close behind on a path that would also take it near the islands.

Iselle's winds were down to 40 mph at 5 p.m. local time (10 p.m. CDT), and the storm was located about 135 miles southwest of Honolulu, Hawaii.

Iselle was barely a tropical storm late Friday, with 40 mph winds. (Central Pacific Hurricane Center)

The Central Pacific Hurricane Center said Iselle was forecast to weaken into a remnant low in the next 24-36 hours as it moves away from Hawaii.

Restrengthening was not anticipated, the hurricane center said.

As Hawaii cleans up from Iselle, attention turns to Hurricane Julio.

The Category 2 hurricane was located about 680 miles east of Hilo and was moving west-northwest at 16 mph.

The storm was expected to stay on that path for the next two days, the hurricane center said.

Julio's maximum sustained winds were down to 100 mph, making it a Category 2 storm on the Saffir-Simpson wind scale.

Hurricane Julio's path was expected to take the storm north of Hawaii over the weekend. (Central Pacific Hurricane Center)

The hurricane is expected to pass about 200 miles northeast of the Big Island on Sunday.

However, the hurricane center cautioned that the forecast track, direction and intensity are only estimates and can change.

Julio remained well organized but should weaken over the next several days.

The storm was moving into slightly cooler waters, and wind shear is expected to intensify in the next few days.

However, the storm was forecast to still be a hurricane as it nears the islands Sunday.