Guam Severe Weather

Weather warnings issued for Guam by the National Weather Service — what was warned, where, and how long it stayed in force. 1 of the 4 kept here were severe or extreme.

4 warnings

Every severity, newest first — a state page is where the minor ones are worth counting.

Warning	Where	Severity	In force until
Flood AdvisoryNWS Tiyan GUGuam, GUMinor	Guam, GUGU	Minorexpired	28 Sep 2026 06:30
Flood WatchNWS Tiyan GUGuamMinor	GuamGU	Minorexpired	21 Sep 2026 20:33
Flood WatchNWS Tiyan GUGuamSevere	GuamGU	Severeexpired	21 Sep 2026 20:15
Flood AdvisoryNWS Tiyan GUGuam, GUMinor	Guam, GUGU	Minorexpired	20 Sep 2026 03:15

Source: the National Weather Service. A warning covering several states appears on each of their pages. Expired warnings are kept and marked, because the count over time is the part that says anything.

Related datasets

Airport DelaysWhat is holding up air traffic, and how often it does.Corporate AircraftThe jets these companies fly, from the FAA registry.Park VisitationWho visited which park, and whether they came by RV.Park ClosuresWhat the Park Service has shut, and which states it hits.