WWHW40 PHFO 211849

WSWHFO



URGENT - WINTER WEATHER MESSAGE

National Weather Service Honolulu HI

849 AM HST Sat Mar 21 2026



...A WINTER STORM WARNING IS NOW IN EFFECT FROM 6 PM HST THIS 

EVENING TO 6 PM HST SUNDAY FOR THE BIG ISLAND SUMMIMTS ABOVE 12000 

FEET...



.A kona storm is likely to bring heavy snow and strong winds to the 

summits beginning this evening and lasting through Sunday afternoon.



HIZ028-221600-

/O.UPG.PHFO.WS.A.0004.260322T0400Z-260323T0400Z/

/O.NEW.PHFO.WS.W.0004.260322T0400Z-260323T0400Z/

Big Island Summits-

849 AM HST Sat Mar 21 2026



...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM HST 

SUNDAY...



* WHAT...Heavy snow possible. Total snow accumulations up to 10 

  inches possible. Winds could gust as high as 70 mph. Light snow 

  may linger Sunday night into Monday.



* WHERE...Big Island Summits.



* WHEN...From 6 PM this evening to 6 PM HST Sunday.



* IMPACTS...Travel could be very difficult to impossible. Blowing 

  snow will significantly reduce visibility at times, with periods 

  of zero visibility.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



A Winter Storm Warning means significant amounts of snow, sleet, and 

ice are expected or occurring. Strong winds are also possible. This 

will make travel very hazardous or impossible. Any travel plans to 

the summits should be postponed until the threat diminishes.



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