Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the 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 Warning in effect from April 11, 02:00 PM PDT until April 12, 11:00 PM PDT

Current conditions at

Top of 22 - 10,067ft (MTH02)

Lat: 37.63707°NLon: 119.0174°WElev: 10100.0ft.

16°F

-9°C

Humidity	93%
Wind Speed	S 24 MPH
Barometer	NA
Dewpoint	15°F (-9°C)
Visibility	NA
Wind Chill	-2°F (-19°C)
Last update	12 Apr 08:40 AM PDT

More Information:

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

Extended Forecast for

4 Miles NW Mammoth Lakes CA

Winter Storm Warning until April 12, 11:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning until April 12, 11:00pm
NOW until 11:00pm Sun
Winter Storm Warning
Today
High: 33 °F
Chance Snow
Showers and
Breezy then
Heavy Snow
Tonight
Low: 14 °F
Heavy Snow
then Slight
Chance Snow
Showers
Monday
High: 39 °F
Chance Snow
Showers
Monday Night
Low: 17 °F
Partly Cloudy
Tuesday
High: 47 °F
Sunny
Tuesday Night
Low: 22 °F
Mostly Clear
Wednesday
High: 49 °F
Mostly Sunny
Wednesday Night
Low: 25 °F
Mostly Cloudy

Detailed Forecast

Today

Snow showers, mainly between 2pm and 5pm. The snow could be heavy at times. Some thunder is also possible. High near 33. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 3 to 5 inches possible.

Tonight

A 50 percent chance of snow showers, mainly before 11pm. The snow could be heavy at times. Partly cloudy, with a low around 14. Southwest wind 5 to 15 mph, with gusts as high as 30 mph. New snow accumulation of 1 to 3 inches possible.

Monday

A 50 percent chance of snow showers, mainly after 11am. Some thunder is also possible. Partly sunny, with a high near 39. Calm wind becoming west around 5 mph. New snow accumulation of less than one inch possible.

Monday Night

Partly cloudy, with a low around 17. West wind around 5 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 47. Calm wind becoming southwest around 5 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 22. Southwest wind around 5 mph.

Wednesday

Mostly sunny, with a high near 49.

Wednesday Night

Mostly cloudy, with a low around 25.

Thursday

A slight chance of snow showers after 11am. Mostly sunny, with a high near 45.