Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Hazardous Weather Conditions

Winter Storm Watch in effect from April 10, 08:00 PM PDT until April 12, 11:00 PM PDT

Current conditions at

Top Stn/Summit - 11,053ft (MTH03)

Lat: 37.63059°NLon: 119.03282°WElev: 11034.0ft.

26°F

-3°C

Humidity	99%
Wind Speed	SSW 24 MPH
Barometer	NA
Dewpoint	26°F (-3°C)
Visibility	NA
Wind Chill	11°F (-12°C)
Last update	10 Apr 07:20 AM PDT

More Information:

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

Extended Forecast for

2 Miles W Mammoth Lakes CA

Winter Storm Watch April 10, 08:00pm until April 12, 11:00pm

Click here for hazard details and duration

Winter Storm Watch

Today
High: 36 °F
Heavy Snow
and Breezy
Tonight
Low: 23 °F
Heavy Snow
and Windy
Saturday
High: 32 °F
Chance Snow
Showers and
Breezy
Saturday Night
Low: 19 °F
Heavy Snow
and Windy
Sunday
High: 22 °F
Heavy Snow
and Windy
Sunday Night
Low: 14 °F
Breezy. Snow
Showers
Likely then
Chance Snow
Showers
Monday
High: 27 °F
Chance Snow
Showers
Monday Night
Low: 17 °F
Partly Cloudy
Tuesday
High: 36 °F
Sunny

Detailed Forecast

Today

A 50 percent chance of snow showers, mainly after 11am. The snow could be heavy at times. Some thunder is also possible. Patchy smoke after 2pm. Partly sunny, with a high near 36. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph. Total daytime snow accumulation of 1 to 2 inches possible.

Tonight

Snow showers likely, mainly before 11pm. The snow could be heavy at times. Some thunder is also possible. Areas of smoke before 8pm. Mostly cloudy, with a low around 23. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of 3 to 7 inches possible.

Saturday

A 40 percent chance of snow showers, mainly after 11am. Partly sunny, with a high near 32. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 40 mph. New snow accumulation of around an inch possible.

Saturday Night

Snow showers, mainly after 11pm. The snow could be heavy at times. Low around 19. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of 8 to 12 inches possible.

Sunday

Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 22. Windy, with a southwest wind around 30 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.

Sunday Night

Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 14. Breezy, with a southwest wind 20 to 25 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

Monday

A 40 percent chance of snow showers, mainly after 11am. Partly sunny, with a high near 27. Little or no snow accumulation expected.

Monday Night

Partly cloudy, with a low around 17.

Tuesday

Sunny, with a high near 36.

Tuesday Night

Mostly clear, with a low around 23.

Wednesday

Sunny, with a high near 39.

Wednesday Night

Partly cloudy, with a low around 27.