As of late Sunday afternoon, 16 August 2009, Hurricane Guillermo has weakened to a Categroy 2 storm with maximum sustained winds near 98 mph. The National Hurricane Center says Guillermo is a little under 1,000 miles east of Hilo. The storm is expected to weaken further as it moves over cooler water. forecasters say the storm is not expected to have a dramatic impact on Hawaii’s weather. Guillermon may cause hot, muggy conditions and high surf on eastern shores by midweek. A weather graphic can be found on our station website by clicking on the hurricane tracker icon.