Hammer down weather report 2026-09-28 00:00:55
**Nationwide Road-Weather Update**
– **Southeast Arizona:** A **Flood Watch** is in effect from Monday morning through Tuesday evening, including the Tucson area, Nogales, Sierra Vista, Safford, and Mount Lemmon. Heavy rain may produce **1–2 inches in valley locations and 2–4 inches in the Sky Islands and White Mountains**, with locally higher amounts in thunderstorms. Rivers, streams, low-lying areas, and low-water crossings may flood. The watch expires Tuesday at 11 p.m. MST.
– **Guam:** A **Flood Advisory** continues through 4:30 p.m. ChST for the northern half of Guam, including Dededo, Tamuning, Yigo, Mangilao, and Barrigada. Expect minor flooding in low-lying and poor-drainage areas.
Never drive through flooded roads—**turn around, don’t drown**. Slow down, allow extra travel time, and check local conditions before traveling. Submit reports to **888-IS-4TIPS (888-474-8477)** or **HammerDownHeadlines.com** / **HammerDownNews.com**.