Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

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Last Map Update: Wed, May 20, 2026 at 9:14:22 am ChST

Watches, Warnings & Advisories

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Guam/Regional Satellite Imagery

Guam Radar

Radar Status (FTMGUA)

                        
446
NOUS60 PGUM 190252 CCA
FTMGUA

MESSAGE DATE:  MAY 19 2026 02:51:18

RADAR MAINTENANCE INFORMED WFO GUAM THAT THE RADAR WILL BE TAKE DOWN
AT 0300Z TUESDAY, MAY 19, 2026 WITH A PLAN RETURN TO SERVICE OF
SUNDAY, MAY 24, 2026. WORK IS BEING DONE ON THE BACKUP POWER SYSTEM
ON THE RADAR AND REQUIRES THE RADAR TO BE OFFLINE AND DISCONNECTED
FROM COMMERCIAL POWER. ANY CHANGES WILL BE COMMUNICATE D BY FUTURE
MESSAGES AS NEEDED. -WFO GUAM