Heavy Rainfall Across the Lower Mississippi Valley and Gulf Coast; Storm System Impacting the Northwest

Periods of heavy rainfall are expected across the Lower Mississippi Valley and Gulf Coast Friday. A Slight Risk (level 2 of 4) of Excessive Rainfall has been issued for portions of the Texas and Louisiana coast. A strong Pacific storm will impact the Pacific Northwest and Great Basin Friday through the weekend, bringing high elevation snow, lower elevation rain, and strong winds. Read More >

Hazardous Weather Conditions

Winter Storm Warning in effect from May 4, 11:00 AM PDT until May 5, 08:00 AM PDT

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

55°F

13°C

Humidity	34%
Wind Speed	SW 8 MPH
Barometer	29.98 in (1015.24 mb)
Dewpoint	28°F (-2°C)
Visibility	10.00 mi
Last update	03 May 07:35 PM PDT

More Information:

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

Extended Forecast for

13 Miles ENE Mammoth Lakes CA

Winter Storm Warning May 4, 11:00am until May 5, 08:00am

Click here for hazard details and duration

Winter Storm Warning

Tonight
Low: 36 °F
Increasing
Clouds
Saturday
High: 59 °F
Breezy.
Chance
Showers then
Showers
Likely
Saturday Night
Low: 22 °F
Breezy.
Rain/Snow
Likely then
Mostly Clear
Sunday
High: 47 °F
Sunny and
Breezy then
Sunny
Sunday Night
Low: 24 °F
Mostly Clear
Monday
High: 60 °F
Sunny
Monday Night
Low: 29 °F
Mostly Clear
Tuesday
High: 64 °F
Sunny
Tuesday Night
Low: 28 °F
Clear

Detailed Forecast

Tonight

Increasing clouds, with a low around 36. West wind around 5 mph.

Saturday

Showers likely, mainly after 2pm. Snow level 8200 feet. Mostly cloudy, with a high near 59. Breezy, with a west wind 10 to 15 mph becoming southwest 20 to 25 mph in the morning. Winds could gust as high as 40 mph. Chance of precipitation is 60%.

Saturday Night

Rain and snow showers likely, becoming all snow after 8pm, then gradually ending. Mostly cloudy, then gradually becoming mostly clear, with a low around 22. Breezy, with a west wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Sunday

Sunny, with a high near 47. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

Sunday Night

Mostly clear, with a low around 24. West wind 5 to 15 mph.

Monday

Sunny, with a high near 60. Southwest wind 5 to 15 mph.

Monday Night

Mostly clear, with a low around 29.

Tuesday

Sunny, with a high near 64.

Tuesday Night

Clear, with a low around 28.