Is Hurricane Polo Driving the Latest Prescott Rain Update

Updated 6:30 a.m. MST Wednesday, Sept. 30, 2026, with final rain totals, the end of flood warnings and the latest National Weather Service forecasts. First published 7:30 p.m. Tuesday, Sept. 29. This is a follow-up to our Sept. 23 report, Will Hurricane Polo Bring Rain to Arizona? Hurricane Polo’s remnants are a big reason Prescott got drenched this week, but Polo never came close to Arizona. The storm’s tropical moisture streamed north and ran into an upper-level low-pressure system