Fire Weather Issues; Pacific System Moving Inland

Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Hazardous Weather Conditions

Winter Storm Watch in effect from April 21, 05:00 AM PDT until April 22, 05:00 PM PDT
Lake Wind Advisory in effect from April 20, 11:00 AM PDT until April 20, 10:00 PM PDT

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

28°F

-2°C

Humidity	58%
Wind Speed	N 0 MPH
Barometer	30.05 in (1017.61 mb)
Dewpoint	16°F (-9°C)
Visibility	10.00 mi
Last update	20 Apr 04:55 AM PDT

More Information:

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

Extended Forecast for

10 Miles E Mammoth Lakes CA

Winter Storm Watch April 21, 05:00am until April 22, 05:00pm

Lake Wind Advisory April 20, 11:00am until April 20, 10:00pm

Click here for hazard details and duration

Winter Storm Watch

Lake Wind Advisory

Today
High: 63 °F
Sunny
Tonight
Low: 31 °F
Mostly Clear
Tuesday
High: 53 °F
Rain/Snow and
Breezy
Tuesday Night
Low: 21 °F
Snow Showers
then Chance
Snow Showers
Wednesday
High: 49 °F
Slight Chance
Snow Showers
then Sunny
Wednesday Night
Low: 20 °F
Mostly Clear
Thursday
High: 55 °F
Sunny
Thursday Night
Low: 25 °F
Mostly Clear
Friday
High: 56 °F
Sunny

Detailed Forecast

Today

Sunny, with a high near 63. Northwest wind 5 to 10 mph becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 30 mph.

Tonight

Mostly clear, with a low around 31. West wind 5 to 15 mph, with gusts as high as 25 mph.

Tuesday

A chance of rain showers before 11am, then rain and snow showers. Some thunder is also possible. Snow level 7600 feet rising to 8100 feet. High near 53. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Tuesday Night

Snow showers, mainly before 11pm. Some thunder is also possible. Low around 21. Southwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

Wednesday

A 20 percent chance of snow showers before 11am. Sunny, with a high near 49. West wind 5 to 10 mph.

Wednesday Night

Mostly clear, with a low around 20. West wind 5 to 10 mph becoming light in the evening.

Thursday

Sunny, with a high near 55.

Thursday Night

Mostly clear, with a low around 25.

Friday

Sunny, with a high near 56.

Friday Night

Partly cloudy, with a low around 26.