Hurricane Simon Reaches Category 4 With 145 mph Winds

Hurricane Simon intensified into a Category 4 storm over the eastern Pacific, reaching sustained winds of 145 mph and a central pressure of 942 millibars by 9 a.m. Coordinated Universal Time on October 10, 2026. Weather Underground tracking data placed the storm at 17.2 degrees north latitude and 104.6 degrees west longitude as it moved north at 4 mph.

The latest measurements marked a sharp increase in intensity over several hours, with Simon's maximum sustained winds climbing from 75 mph early on October 9 to 145 mph by the morning of October 10. The storm's central pressure fell from 985 millibars to 942 millibars during the same period, according to Weather Underground's storm statistics.

Simon remained classified as a Category 4 hurricane in the latest available tracking entry. Its recorded wind speed had increased by 25 mph between 6 a.m. and 9 a.m. UTC on October 10, while its reported position shifted northward from 17.0 to 17.2 degrees latitude.

The storm's development began on October 7, when tracking data recorded a tropical depression with maximum sustained winds of 35 mph at 14.1 degrees north latitude and 100.9 degrees west longitude. Its central pressure at that point was 1,006 millibars.

Simon strengthened into a tropical storm later that day, reaching winds of 40 mph at 9 p.m. UTC. By October 8, its winds had increased to 50 mph before rising to 65 mph that afternoon and 70 mph by 9 p.m., according to the historical tracking record.

The system reached hurricane status at 3 a.m. UTC on October 9, with sustained winds of 75 mph and central pressure of 985 millibars. It subsequently strengthened to Category 2 with 100 mph winds by 3 p.m. and reached 105 mph by 9 p.m. that day.

Simon entered Category 3 intensity early on October 10, with winds reaching 120 mph at 3 a.m. UTC and pressure falling to 952 millibars. By 6 a.m., its winds had climbed to 140 mph and its pressure had dropped to 945 millibars, placing it in Category 4 before the next recorded update.

Weather Underground's tracker listed Simon's latest position and intensity under its eastern Pacific hurricane monitoring system. The available record provided storm-track statistics through 9 a.m. UTC on October 10, including the hurricane's location, movement, maximum sustained winds and central pressure.