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

Gusty winds and low relative humidity will bring critical fire weather to the central/southern High Plains and portions of the Midwest. Two Pacific storms will continue to bring heavy mountain snow and gusty winds to the western U.S. through Thursday. A swath of wintry weather, including heavy snow and a wintry mix, is expected from the Northern Plains to New England. Read More >

Hazardous Weather Conditions

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

unknown precip

14°F

-10°C

Humidity	66%
Wind Speed	WNW 17 MPH
Barometer	29.59 in (1002.03 mb)
Dewpoint	5°F (-15°C)
Visibility	10.00 mi
Wind Chill	-2°F (-19°C)
Last update	18 Feb 05:35 AM PST

More Information:

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

Extended Forecast for

10 Miles ENE Mammoth Lakes CA

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

Winter Storm Warning February 18, 05:46am until February 18, 07:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Storm Warning

Winter Storm Warning February 18, 05:46am until February 18, 07:00am
NOW until 7:00am Wed
Winter Storm Warning
Overnight
Low: -3 °F
Chance Snow
Wednesday
High: 21 °F
Chance Snow
Wednesday Night
Low: -3 °F
Chance Snow
Thursday
High: 25 °F
Snow
Thursday Night
Low: -7 °F
Snow Likely
then Slight
Chance Snow
Friday
High: 27 °F
Mostly Sunny
Friday Night
Low: -2 °F
Mostly Clear
Saturday
High: 31 °F
Mostly Sunny

Detailed Forecast

Overnight

A 30 percent chance of snow. Mostly cloudy, with a low around -3. Northwest wind around 5 mph. Total nighttime snow accumulation of 4 to 8 inches possible.

Wednesday

A 30 percent chance of snow, mainly before 7am. Mostly sunny, with a high near 21. West wind around 10 mph, with gusts as high as 20 mph. Little or no snow accumulation expected.

Wednesday Night

A slight chance of snow before 10pm, then a chance of snow after 1am. Partly cloudy, with a low around -3. West wind around 5 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

Thursday

Snow. High near 25. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Thursday Night

Snow likely, mainly before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around -7. West wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Friday

Mostly sunny, with a high near 27. Calm wind becoming northwest around 5 mph.

Friday Night

Mostly clear, with a low around -2.

Saturday

Mostly sunny, with a high near 31.

Saturday Night

A slight chance of snow after 10pm. Partly cloudy, with a low around 8.

Sunday

A chance of snow before 4pm, then a chance of rain and snow. Partly sunny, with a high near 36.

Sunday Night

A chance of rain and snow. Mostly cloudy, with a low around 14.