Critical Fire Weather in the High Plains; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Mammoth Yosemite Airport (KMMH)

Lat: 37.6241°NLon: 118.8423°WElev: 7112.0ft.

heavy snow,haze

19°F

-7°C

Humidity	79%
Wind Speed	W 32 MPH
Barometer	29.51 in (999.32 mb)
Dewpoint	14°F (-10°C)
Visibility	-0.25 mi
Wind Chill	-1°F (-18°C)
Last update	18 Feb 01:55 AM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

10 Miles SE Mammoth Lakes CA

Winter Weather Advisory February 19, 04:00am until February 19, 10:00pm

Winter Storm Warning February 18, 02:25am until February 18, 07:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Storm Warning

Winter Storm Warning February 18, 02:25am until February 18, 07:00am
NOW until 7:00am Wed
Winter Storm Warning
Overnight
Low: 3 °F
Heavy Snow
and Windy
Wednesday
High: 11 °F
Chance Snow
and Windy
Wednesday Night
Low: 4 °F
Breezy.
Slight Chance
Snow then
Heavy Snow
Thursday
High: 18 °F
Heavy Snow
and Windy
Thursday Night
Low: -1 °F
Breezy. Snow
Likely then
Slight Chance
Snow
Friday
High: 22 °F
Sunny
Friday Night
Low: 8 °F
Mostly Clear
Saturday
High: 27 °F
Sunny

Detailed Forecast

Overnight

Snow likely, mainly before 4am. The snow could be heavy at times. Mostly cloudy, with a low around 3. Windy, with a west wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 13 to 19 inches possible.

Wednesday

A 30 percent chance of snow, mainly between 10am and 1pm. Partly sunny, with a high near 11. Wind chill values as low as -20. Windy, with a southwest wind around 30 mph, with gusts as high as 50 mph. New snow accumulation of 1 to 3 inches possible.

Wednesday Night

Snow likely, mainly after 4am. The snow could be heavy at times. Partly cloudy, with a low around 4. Breezy, with a southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Thursday

Snow. The snow could be heavy at times. High near 18. Windy, with a southwest wind 25 to 35 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 7 to 11 inches possible.

Thursday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around -1. Breezy, with a west wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Friday

Sunny, with a high near 22. West wind 10 to 15 mph.

Friday Night

Mostly clear, with a low around 8.

Saturday

Sunny, with a high near 27.

Saturday Night

A slight chance of snow after 10pm. Partly cloudy, with a low around 16. Breezy.

Sunday

A chance of snow. Partly sunny, with a high near 30. Breezy.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 22. Windy.