National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Pacific Storm Brings Multiple Impacts to the West;Severe Weather Expected in the Central U.S.

A strong storm is expected to produce heavy rainfall in northern and central California that could lead to significant and life-threatening flash floods and mudslides, particularly over burn scar areas, and periods of heavy snow and gusty winds from the Cascades and Sierra into the Intermountain West through Monday. Severe thunderstorms and heavy rainfall expected in the Mid-Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Mammoth Summit (MTH03)

Lat: 37.630225°NLon: 119.032529°WElev: 11053ft.

NA

-2°C

28°F

Humidity 99%
Wind Speed WSW 55 MPH
Barometer NA
Dewpoint -3°C (27°F)
Visibility NA
Wind Chill-13°C (8°F)
Last update 23 Oct 11:45 PM PDT
Extended Forecast for

2 Miles W Mammoth Lakes CA

Flood Watch October 24, 11:00am until October 25, 05:00pm
Winter Storm Warning October 24, 05:00pm until October 25, 11:00pm
High Wind Warning October 24, 05:00am until October 24, 11:00pm
Click here for hazard details and duration
Flood Watch
Winter Storm Warning
High Wind Warning

  • Overnight

    Overnight: Snow likely, mainly after 5am. Mostly cloudy, with a low around 1. Breezy, with a southwest wind 25 to 35 km/h, with gusts as high as 55 km/h. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one centimeter possible.

    Snow Likely
    and Breezy

    Low: 1 °C

  • Sunday

    Sunday: Snow before 11am, then rain and snow. High near 3. Very windy, with a southwest wind 50 to 60 km/h increasing to 65 to 75 km/h. Winds could gust as high as 115 km/h. Chance of precipitation is 80%. New snow accumulation of 2 to 4 centimeters possible.

    Rain/Snow and
    Very Windy

    High: 3 °C

  • Sunday
    Night

    Sunday Night: Rain and snow, becoming all rain after 8pm. The rain could be heavy at times. Low around -3. Very windy, with a southwest wind 75 to 85 km/h, with gusts as high as 125 km/h. Chance of precipitation is 90%. New snow accumulation of 3 to 7 centimeters possible.

    Very Windy.
    Rain/Snow
    then Heavy
    Rain

    Low: -3 °C

  • Monday

    Monday: Snow. The snow could be heavy at times. High near 0. Very windy, with a southwest wind 55 to 65 km/h decreasing to 30 to 40 km/h. Winds could gust as high as 95 km/h. Chance of precipitation is 100%. New snow accumulation of 33 to 39 centimeters possible.

    Heavy Snow
    and Very
    Windy

    High: 0 °C

  • Monday
    Night

    Monday Night: A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around -8. West wind around 25 km/h, with gusts as high as 40 km/h. New snow accumulation of less than one centimeter possible.

    Chance Snow
    then Partly
    Cloudy

    Low: -8 °C

  • Tuesday

    Tuesday: Mostly sunny, with a high near -1. West wind 20 to 30 km/h, with gusts as high as 45 km/h.

    Mostly Sunny

    High: -1 °C

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around -2.

    Mostly Clear

    Low: -2 °C

  • Wednesday

    Wednesday: Sunny, with a high near 4.

    Sunny

    High: 4 °C

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around -1.

    Mostly Clear

    Low: -1 °C

Detailed Forecast

Overnight
Snow likely, mainly after 5am. Mostly cloudy, with a low around 1. Breezy, with a southwest wind 25 to 35 km/h, with gusts as high as 55 km/h. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one centimeter possible.
Sunday
Snow before 11am, then rain and snow. High near 3. Very windy, with a southwest wind 50 to 60 km/h increasing to 65 to 75 km/h. Winds could gust as high as 115 km/h. Chance of precipitation is 80%. New snow accumulation of 2 to 4 centimeters possible.
Sunday Night
Rain and snow, becoming all rain after 8pm. The rain could be heavy at times. Low around -3. Very windy, with a southwest wind 75 to 85 km/h, with gusts as high as 125 km/h. Chance of precipitation is 90%. New snow accumulation of 3 to 7 centimeters possible.
Monday
Snow. The snow could be heavy at times. High near 0. Very windy, with a southwest wind 55 to 65 km/h decreasing to 30 to 40 km/h. Winds could gust as high as 95 km/h. Chance of precipitation is 100%. New snow accumulation of 33 to 39 centimeters possible.
Monday Night
A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around -8. West wind around 25 km/h, with gusts as high as 40 km/h. New snow accumulation of less than one centimeter possible.
Tuesday
Mostly sunny, with a high near -1. West wind 20 to 30 km/h, with gusts as high as 45 km/h.
Tuesday Night
Mostly clear, with a low around -2.
Wednesday
Sunny, with a high near 4.
Wednesday Night
Mostly clear, with a low around -1.
Thursday
Sunny, with a high near 6.
Thursday Night
Mostly clear, with a low around 0.
Friday
Sunny, with a high near 7. Breezy.
Friday Night
Mostly clear, with a low around -1. Breezy.
Saturday
Sunny, with a high near 6.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
2 Miles W Mammoth Lakes CA
 37.63°N 119.02°W (Elev. 3009 m)
Last Update:
9:13 pm PDT Oct 23, 2021
Forecast Valid:
12am PDT Oct 24, 2021-6pm PDT Oct 29, 2021
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation