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    New: Official Warnings from National Meteorological Institutes Warning

    Warnings - Mammoth Lakes

    World / United States / California / Mammoth Lakes

    37°38'N / 118°58'W / Altitude 2393 m / 13:29 2026/04/21, America/Los_Angeles (UTC-7)

    warningSnow

    Winter Weather Advisory issued April 21 at 12:11AM PDT until April 22 at 5:00PM PDT by NWS Reno NV

    From: 2026/04/21, 05:00
    To: 2026/04/22, 17:00

    * WHAT...Heavy snow above 7000 feet. Snow accumulations of 6 to 12 inches above 7000 feet with up to 18 inches on highest mountain peaks. 1 to 5 inches of snow possible for communities along Highway 395. Southerly wind gusts of 40 to 50 mph across lower elevations with gusts up to 60 mph in wind prone locations. Wind gusts up to 90 mph along ridges. * WHERE...Mono County. * WHEN...From 5 AM early this morning to 5 PM PDT Wednesday. * IMPACTS...Travel could be very difficult through Sierra passes. The hazardous conditions could impact today and Wednesday commutes. Strong winds could cause damage to trees and power lines. * ADDITIONAL DETAILS...Strong and gusty winds are anticipated today with potentially damaging winds this afternoon. Heaviest snowfall expected late this morning through this afternoon. Locally greater snow totals are possible with heavier snow showers. Isolated lightning is also possible along the Sierra crest today and Wednesday afternoons.

    • Mono,Mono
    • Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
    • NWS Reno NV
    • 2026/04/21, 00:11