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

47°F

8°C

Humidity	57%
Wind Speed	N 0 MPH
Barometer	29.99 in (1015.58 mb)
Dewpoint	33°F (1°C)
Visibility	10.00 mi
Last update	03 May 08:55 PM PDT

More Information:

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

Extended Forecast for

7 Miles ESE 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: 33 °F
Increasing
Clouds
Saturday
High: 56 °F
Showers
Likely and
Windy
Saturday Night
Low: 19 °F
Snow Showers
Likely and
Windy
Sunday
High: 46 °F
Mostly Sunny
and Breezy
then Mostly
Sunny
Sunday Night
Low: 20 °F
Mostly Clear
Monday
High: 58 °F
Sunny then
Sunny and
Breezy
Monday Night
Low: 26 °F
Mostly Clear
and Breezy
then Mostly
Clear
Tuesday
High: 62 °F
Sunny
Tuesday Night
Low: 26 °F
Clear

Detailed Forecast

Tonight

Increasing clouds, with a low around 33. West wind 5 to 10 mph.

Saturday

Showers likely, mainly after 2pm. Snow level 8500 feet lowering to 7800 feet in the afternoon . Mostly cloudy, with a high near 56. Windy, with a southwest wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Saturday Night

Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 19. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Sunday

Mostly sunny, with a high near 46. Breezy, with a west wind 20 to 25 mph decreasing to 15 to 20 mph in the morning. Winds could gust as high as 40 mph.

Sunday Night

Mostly clear, with a low around 20. West wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

Monday

Sunny, with a high near 58. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.

Monday Night

Mostly clear, with a low around 26. Breezy.

Tuesday

Sunny, with a high near 62.

Tuesday Night

Clear, with a low around 26.

Wednesday

Sunny, with a high near 62.

Wednesday Night

Clear, with a low around 27.

Thursday

Sunny, with a high near 64.