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.

snow,haze

19°F

-7°C

Humidity	85%
Wind Speed	W 13 MPH
Barometer	29.49 in (998.65 mb)
Dewpoint	16°F (-9°C)
Visibility	0.25 mi
Wind Chill	6°F (-14°C)
Last update	18 Feb 12:55 AM PST

More Information:

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

Extended Forecast for

8 Miles ESE Mammoth Lakes CA

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

Winter Storm Warning February 18, 01:26am until February 18, 07:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Storm Warning

Winter Storm Warning February 18, 01:26am until February 18, 07:00am
NOW until 7:00am Wed
Winter Storm Warning
Overnight
Low: 1 °F
Heavy Snow
Wednesday
High: 20 °F
Chance Snow
Wednesday Night
Low: 0 °F
Chance Snow
Thursday
High: 25 °F
Heavy Snow
Thursday Night
Low: -3 °F
Snow Likely
then Slight
Chance Snow
Friday
High: 28 °F
Sunny
Friday Night
Low: 3 °F
Mostly Clear
Saturday
High: 33 °F
Sunny

Detailed Forecast

Overnight

Snow likely, mainly before 4am. The snow could be heavy at times. Mostly cloudy, with a low around 1. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 8 to 12 inches possible.

Wednesday

A 30 percent chance of snow, mainly before 7am. Mostly sunny, with a high near 20. West wind 10 to 15 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.

Wednesday Night

A 30 percent chance of snow, mainly after 1am. Partly cloudy, with a low around 0. Southwest wind around 5 mph. New snow accumulation of less than one inch possible.

Thursday

Snow. The snow could be heavy at times. High near 25. South wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Thursday Night

Snow likely, mainly before 10pm. Partly cloudy, with a low around -3. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Friday

Sunny, with a high near 28. Calm wind becoming west around 5 mph.

Friday Night

Mostly clear, with a low around 3.

Saturday

Sunny, with a high near 33.

Saturday Night

A slight chance of snow after 10pm. Partly cloudy, with a low around 12.

Sunday

A chance of snow. Partly sunny, with a high near 36.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 17.