Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

59°F

15°C

Humidity	12%
Wind Speed	ESE 16 MPH
Barometer	30.04 in (1017.27 mb)
Dewpoint	7°F (-14°C)
Visibility	10.00 mi
Last update	19 Apr 01:15 PM PDT

More Information:

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

Extended Forecast for

10 Miles SE 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

This Afternoon
High: 47 °F
Mostly Sunny
and Breezy
Tonight
Low: 31 °F
Partly Cloudy
and Breezy
then Partly
Cloudy
Monday
High: 47 °F
Mostly Sunny
and Windy
Monday Night
Low: 29 °F
Mostly Clear
and Windy
Tuesday
High: 36 °F
Heavy Snow
and Very
Windy
Tuesday Night
Low: 18 °F
Heavy Snow
and Very
Windy
Wednesday
High: 36 °F
Slight Chance
Snow Showers
and Breezy
Wednesday Night
Low: 19 °F
Mostly Clear
and Breezy
then Mostly
Clear
Thursday
High: 40 °F
Sunny

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 47. Breezy, with a south wind around 20 mph, with gusts as high as 35 mph.

Tonight

Partly cloudy, with a low around 31. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph.

Monday

Mostly sunny, with a high near 47. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 50 mph.

Monday Night

Mostly clear, with a low around 29. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 45 mph.

Tuesday

Snow showers, mainly after 11am. The snow could be heavy at times. High near 36. Very windy, with a south wind 25 to 35 mph increasing to 35 to 45 mph in the morning. Winds could gust as high as 75 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

Tuesday Night

Snow showers, mainly before 11pm. The snow could be heavy at times. Low around 18. Very windy, with a southwest wind 35 to 45 mph decreasing to 25 to 35 mph after midnight. Winds could gust as high as 70 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

Wednesday

A 20 percent chance of snow showers. Mostly sunny, with a high near 36. Breezy.

Wednesday Night

Mostly clear, with a low around 19. Breezy.

Thursday

Sunny, with a high near 40.

Thursday Night

Partly cloudy, with a low around 24.

Friday

A slight chance of snow showers. Mostly sunny, with a high near 42.

Friday Night

A slight chance of snow showers. Partly cloudy, with a low around 25.