A winter storm warning is in effect from 10pm tonight until 10pm Sunday night for areas north of Rock Creek. High wind advisory is in effect until 10pm Sunday throughout the entire forecast region, including Bishop and south. The most intense snowfall is expected from 10pm tonight until 6am Sunday.
Today (Saturday) will be a windy day as pre-frontal winds that began yesterday continue to increase out of the SW into the 120mph range over high elevation ridgetops, and into the 40mph range below 8000’. Expect partly cloudy skies with high temperatures reaching the upper 30s near 10,000’. Snow showers could begin this afternoon, with little accumulation expected before temperatures begin to plummet and the real dump of snow begins late tonight thru early Sunday morning.
Expect a cold windy snowy day Sunday. For Mammoth and north, 1-2ft+ of total accumulation is expected to occur by mid-morning, with only a few inches expected south of Rock Creek thru the mountains outside of Bishop. Continued convective snow showers through the day will bring greater amounts of accumulation in favored localized areas. Temperatures will continue to fall throughout the day dropping into the single digits by late afternoon around 10,000’. Strong SW winds will continue with gusts over 100mph above 10,000’.
Beginning Monday, high pressure returns for the week with mostly sunny skies and slightly above average temperatures.