Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Hazardous Weather Conditions

Winter Storm Watch in effect from April 21, 02:00 AM PDT until April 22, 05:00 PM PDT

Current conditions at

DEVILS POST PILE RAWS NEAR MAMMOTH LAKES 6WSW DPO (DPPC1)

Lat: 37.63°NLon: 119.09333°WElev: 8024.0ft.

55°F

13°C

Humidity	32%
Wind Speed	WNW 4 MPH
Barometer	NA
Dewpoint	26°F (-3°C)
Visibility	NA
Last update	19 Apr 03:00 PM PDT

More Information:

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

Extended Forecast for

13 Miles SE Mammoth Lakes CA

Winter Storm Watch April 21, 02:00am until April 22, 05:00pm

Click here for hazard details and duration

Winter Storm Watch

Tonight
Low: 24 °F
Partly Cloudy
and Breezy
then Mostly
Cloudy
Monday
High: 40 °F
Mostly Sunny
and Windy
Monday Night
Low: 23 °F
Slight Chance
Snow and
Windy
Tuesday
High: 30 °F
Heavy Snow
and Windy
Tuesday Night
Low: 11 °F
Heavy Snow
and Windy
then Chance
Snow and
Breezy
Wednesday
High: 26 °F
Chance Snow
and Breezy
Wednesday Night
Low: 12 °F
Partly Cloudy
and Breezy
then Partly
Cloudy
Thursday
High: 33 °F
Mostly Sunny
Thursday Night
Low: 17 °F
Mostly Cloudy

Detailed Forecast

Tonight

Partly cloudy, with a low around 24. Wind chill values as low as 13. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

Monday

Mostly sunny, with a high near 40. Wind chill values as low as 11. Windy, with a south southwest wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 45 mph.

Monday Night

A 10 percent chance of snow after 11pm. Mostly clear, with a low around 23. Wind chill values as low as 7. Windy, with a south southwest wind 20 to 30 mph, with gusts as high as 45 mph.

Tuesday

A chance of snow before 11am, then snow showers likely after 11am. The snow could be heavy at times. Some thunder is also possible. Mostly cloudy and cold, with a high near 30. Wind chill values as low as 2. Windy, with a south wind 25 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 70%. New snow accumulation of 5 to 9 inches possible.

Tuesday Night

Snow showers before 11pm, then a chance of snow after 11pm. The snow could be heavy at times. Some thunder is also possible. Low around 11. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.

Wednesday

A chance of snow before 11am, then a chance of snow showers after 11am. Some thunder is also possible. Mostly sunny and cold, with a high near 26. Breezy, with a southwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

Wednesday Night

Partly cloudy, with a low around 12. Breezy, with a west southwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

Thursday

Mostly sunny, with a high near 33. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Thursday Night

Mostly cloudy, with a low around 17. West southwest wind around 15 mph, with gusts as high as 25 mph.

Friday

A 20 percent chance of snow showers after 11am. Some thunder is also possible. Mostly sunny, with a high near 34. West wind around 15 mph, with gusts as high as 25 mph.

Friday Night

A 20 percent chance of snow. Mostly cloudy, with a low around 18. West wind 10 to 15 mph, with gusts as high as 25 mph.

Saturday

A 30 percent chance of snow showers. Some thunder is also possible. Mostly sunny, with a high near 33. West wind 10 to 15 mph, with gusts as high as 25 mph.

Saturday Night

A 20 percent chance of snow. Mostly cloudy, with a low around 19. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

Sunday

A 30 percent chance of snow showers. Some thunder is also possible. Mostly sunny, with a high near 34. West wind 10 to 15 mph, with gusts as high as 30 mph.