Airport Weather Warning
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
045 WWGM80 PGUM 201257 AWWGUM GUZ001-201600- Airport Weather Warning for Guam International Airport National Weather Service Tiyan GU 1057 PM ChST Sun Sep 20 2026 A Thunderstorm Advisory is in effect for the Guam International Airport until 100 am Monday morning. Thunderstorms are possible or occurring within 20 nautical miles of the airport. Be alert and take precautions as required. These storms have been producing occasional lightning. $$ Stanko