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

Mammoth Yosemite Airport (KMMH)

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

Clear

48°F

9°C

Humidity	26%
Wind Speed	N 0 MPH
Barometer	29.92 in (1013.21 mb)
Dewpoint	16°F (-9°C)
Visibility	10.00 mi
Last update	11 Apr 11:35 AM PDT

More Information:

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

Extended Forecast for

8 Miles ESE Mammoth Lakes CA

Winter Storm Warning April 11, 02:00pm until April 12, 11:00pm

Click here for hazard details and duration

Winter Storm Warning

Today
High: 52 °F
Slight Chance
Rain/Snow
Tonight
Low: 19 °F
Snow
Sunday
High: 40 °F
Snow Showers
Sunday Night
Low: 15 °F
Chance Snow
Showers then
Partly Cloudy
Monday
High: 45 °F
Chance Snow
Showers
Monday Night
Low: 18 °F
Partly Cloudy
Tuesday
High: 51 °F
Sunny
Tuesday Night
Low: 23 °F
Mostly Clear
Wednesday
High: 55 °F
Sunny

Detailed Forecast

Today

A slight chance of rain and snow showers between 2pm and 5pm, then a slight chance of rain showers after 5pm. Snow level 7500 feet. Mostly sunny, with a high near 52. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

Tonight

Snow, mainly after 8pm. Low around 19. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Sunday

Snow showers, mainly before 8am. Some thunder is also possible. High near 40. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

Sunday Night

A 40 percent chance of snow showers before 11pm. Partly cloudy, with a low around 15. Southwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 25 mph. New snow accumulation of less than one inch possible.

Monday

A 40 percent chance of snow showers, mainly after 11am. Mostly sunny, with a high near 45. Calm wind becoming northwest around 5 mph in the afternoon. Little or no snow accumulation expected.

Monday Night

Partly cloudy, with a low around 18. Northwest wind around 5 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 51.

Tuesday Night

Mostly clear, with a low around 23.

Wednesday

Sunny, with a high near 55.

Wednesday Night

Partly cloudy, with a low around 26.

Thursday

Mostly sunny, with a high near 53.