Weather Forecast for Mammoth Lakes

* WHAT...Heavy snow. Snow accumulations between 1 to 3 feet along and west of US-395. Accumulations of 3 to 5 feet in the highest elevations along the Sierra crest. Lesser amounts of 2 to 6 inches for the Chalfant Valley. Winds gusting up to 60 mph, with up to 70 mph for wind prone locations along US-395. Sierra ridge gusts over 100 mph. * WHERE...Mono County. * WHEN...Until 10 PM PST Wednesday. * IMPACTS...Travel could be very difficult to impossible with periods of white out conditions. Very strong winds could cause damage to trees and power lines. * ADDITIONAL DETAILS...Conditions will rapidly deteriorate Monday evening with the highest snowfall rates anticipated Monday afternoon and night, the a second wave Tuesday afternoon into Wednesday morning.

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.

AVAREV The following message is transmitted at the request of the Eastern Sierra Avalanche Center. The Eastern Sierra Avalanche Center in Mammoth Lakes has issued a BACKCOUNTRY AVALANCHE WATCH for the following areas: NWS Las Vegas NV - CA-519 (Eastern Sierra in Inyo County) NWS Reno NV - CA-073 (Eastern Sierra in Mono County) * WHAT...The avalanche danger is expected to rise to HIGH by Monday afternoon (February 16) and remain elevated through mid- week. * WHERE...The eastern Sierra Nevada from Virginia Lakes to the southern end of Bishop Creek. * WHEN...In effect from Monday 7 AM PST to Tuesday 7 AM PST. * IMPACTS...Heavy snow and extreme winds will create widespread areas of unstable snow. * PRECAUTIONARY / PREPAREDNESS ACTIONS...Very dangerous avalanche conditions are expected to develop. Avalanches may run long distances, into mature forests, valley floors, or flat terrain. Travel in avalanche terrain is not recommended. Consult http://www.esavalanche.org/ or www.avalanche.org for more detailed information. Similar avalanche danger may exist at locations outside the coverage area of this or any avalanche center.

* WHAT...Heavy snow. Additional snow accumulations between 1 to 3 feet along and west of US-395, locally up to 4 feet along the highest peaks. Lesser amounts of 2 to 6 inches for the Chalfant Valley. Winds gusting up to 60 mph, with up to 70 mph for wind prone locations along US-395. Sierra ridge gusts over 100 mph. * WHERE...Mono County. * WHEN...Until 10 PM PST Wednesday. * IMPACTS...Travel could be very difficult to impossible with periods of white out conditions. Very strong winds could cause damage to trees and power lines. * ADDITIONAL DETAILS...The highest snowfall rates will take place mid-morning through early Wednesday morning.

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.