Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Hazardous Weather Conditions

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

heavy snow,freezing fog

23°F

-5°C

Humidity	92%
Wind Speed	E 18 MPH
Barometer	29.55 in (1000.68 mb)
Dewpoint	21°F (-6°C)
Visibility	-0.25 mi
Wind Chill	9°F (-13°C)
Last update	17 Feb 04:15 PM PST

More Information:

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

Extended Forecast for

9 Miles ESE Mammoth Lakes CA

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

Winter Storm Warning February 17, 04:40pm until February 18, 07:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Storm Warning

Winter Storm Warning February 17, 04:40pm until February 18, 07:00am
NOW until 7:00am Wed
Winter Storm Warning
This Afternoon
High: 15 °F
Heavy Snow
and Damaging
Winds
Tonight
Low: -2 °F
Heavy Snow
and Damaging
Winds
Wednesday
High: 9 °F
Chance Snow
and Very
Windy
Wednesday Night
Low: -1 °F
Chance Snow
and Windy
then Snow and
Very Windy
Thursday
High: 14 °F
Heavy Snow
and Very
Windy
Thursday Night
Low: -7 °F
Very Windy.
Snow Likely
then Chance
Snow
Friday
High: 17 °F
Slight Chance
Snow and
Windy
Friday Night
Low: 1 °F
Partly Cloudy
and Windy

Detailed Forecast

This Afternoon

Snow. The snow could be heavy at times. High near 15. Strong and damaging winds, with a southwest wind around 60 mph, with gusts as high as 95 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 15 to 21 inches possible.

Tonight

Snow. The snow could be heavy at times. Low around -2. Wind chill values as low as -30. Strong and damaging winds, with a southwest wind 55 to 60 mph, with gusts as high as 90 mph. Chance of precipitation is 100%. New snow accumulation of 15 to 21 inches possible.

Wednesday

A 30 percent chance of snow, mainly before 4pm. Partly sunny, with a high near 9. Wind chill values as low as -35. Very windy, with a southwest wind 45 to 50 mph, with gusts as high as 70 mph. New snow accumulation of 1 to 2 inches possible.

Wednesday Night

Snow, mainly after 4am. Low around -1. Wind chill values as low as -30. Very windy, with a southwest wind 35 to 40 mph, with gusts as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Thursday

Snow. The snow could be heavy at times. High near 14. Very windy, with a southwest wind 50 to 55 mph, with gusts as high as 85 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

Thursday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around -7. Very windy, with a west wind 45 to 50 mph decreasing to 35 to 40 mph after midnight. Winds could gust as high as 75 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

Friday

A 20 percent chance of snow after 10am. Mostly sunny, with a high near 17. Windy.

Friday Night

Partly cloudy, with a low around 1. Windy.

Saturday

A slight chance of snow between 10am and 4pm. Sunny, with a high near 23. Windy.

Saturday Night

A chance of snow, mainly after 4am. Partly cloudy, with a low around 10. Very windy.

Sunday

A chance of snow. Partly sunny, with a high near 26. Very windy.

Sunday Night

A chance of snow. The snow could be heavy at times. Mostly cloudy, with a low around 15. Very windy.