Be Prepared for Heavy Snow and Blizzard Conditions in Mammoth Lakes Through March 1

National Weather Service Reno has issued a Winter Storm Warning, Blizzard Warning and Avalanche Warning through Wednesday, March 1, 2023 for Mono County and the Town of Mammoth Lakes.

Since 1995, only 8 Blizzard Warnings have been issued for the Eastern Sierra and we have a “classic blizzard” setup for the Eastern Sierra today through Wednesday morning.  A potent high-impact winter storm will affect the region today through Tuesday night with periods of heavy snow and strong winds producing blizzard/whiteout conditions in the Sierra along with prolonged travel disruptions.

Road Conditions

Travel to and from Mammoth Lakes is NOT advised during the Blizzard Warning. Travel will be heavily impacted or near impossible during the storm. Do not try and avoid road closures or take alternate roads. Please do not drive unless absolutely necessary, do not follow Google maps or ask Siri for the back way – if Caltrans says the roads are closed – they are closed! Do not put yourself or others at risk. This storm is life threatening so prepare accordingly. Visit for up to the minute road conditions/chain restrictions or use the Caltrans Quick Map: before you get on the. You can also call the Road Condition Hotline at 1-800-427-ROAD (7623).

Weather Forecast

For the Winter Storm Warning, periods of heavy snow expected. Total snow accumulations 6 to 12 inches, except up to 18 inches above 7,000 feet. For the Blizzard Warning, blizzard conditions expected with heavy snow and strong winds with snow accumulations of 3 to 4 feet for areas above 8,000 feet.

Winter Storm Resources 

Be safe all!

(From Town of Mammoth Lakes)

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