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

46°F

8°C

Humidity	28%
Wind Speed	N 0 MPH
Barometer	30.06 in (1017.95 mb)
Dewpoint	16°F (-9°C)
Visibility	10.00 mi
Last update	20 Apr 09:35 AM PDT

More Information:

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

Extended Forecast for

12 Miles ESE 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: 60 °F
Sunny then
Sunny and
Breezy
Tonight
Low: 33 °F
Partly Cloudy
and Breezy
then Mostly
Clear
Tuesday
High: 50 °F
Rain/Snow and
Breezy
Tuesday Night
Low: 23 °F
Snow Showers
and Breezy
then Chance
Snow Showers
Wednesday
High: 46 °F
Slight Chance
Snow Showers
then Sunny
Wednesday Night
Low: 23 °F
Mostly Clear
Thursday
High: 52 °F
Sunny
Thursday Night
Low: 27 °F
Mostly Clear
Friday
High: 53 °F
Sunny

Detailed Forecast

Today

Sunny, with a high near 60. 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.

Tonight

Mostly clear, with a low around 33. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

Tuesday

A chance of rain and snow showers before 11am, then rain showers between 11am and 2pm, then rain and snow showers after 2pm. Some thunder is also possible. Snow level 7700 feet rising to 8300 feet. High near 50. Breezy, with a southeast wind 10 to 15 mph becoming southwest 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 23. Breezy, with a southwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Wednesday

A 20 percent chance of snow showers before 11am. Sunny, with a high near 46. West wind 5 to 10 mph, with gusts as high as 20 mph.

Wednesday Night

Mostly clear, with a low around 23. West wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.

Thursday

Sunny, with a high near 52.

Thursday Night

Mostly clear, with a low around 27.

Friday

Sunny, with a high near 53.

Friday Night

Partly cloudy, with a low around 29.