974 WWHW40 PHFO 291357 WSWHFO URGENT - WINTER WEATHER MESSAGE National Weather Service Honolulu HI 357 AM HST Sat Apr 29 2017 ...WINTER STORM WATCH FOR BIG ISLAND SUMMITS... .A potent low aloft will move over the western end of the state this weekend, bringing the potential for winter weather to the Big Island summits. HIZ028-300400- /O.EXT.PHFO.WS.A.0003.170430T0400Z-170501T0400Z/ Big Island Summits- 357 AM HST Sat Apr 29 2017 ...WINTER STORM WATCH NOW IN EFFECT FROM THIS EVENING THROUGH SUNDAY AFTERNOON... * LOCATION...Big Island summits and upper slopes. * HAZARD TYPE...Heavy snow and blowing snow. * ACCUMULATIONS...Snowfall up to 6 inches possible. * TIMING...Tonight through Sunday. * IMPACTS...Poor visibility and snow covered roads. * WINDS...Southwest to west 55 to 70 mph with gusts to 80 mph. * VISIBILITIES...Less than 1/4 mile at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Watch means there is a potential for significant snow, sleet, or ice accumulations that may impact travel. Continue to monitor the latest forecasts. && $$