Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Current conditions at

ROCK CREEK (RCEC1)

Lat: 37.55983°NLon: 118.67841°WElev: 7103.0ft.

27°F

-3°C

Humidity	71%
Wind Speed	NW 4 MPH
Barometer	NA
Dewpoint	19°F (-7°C)
Visibility	NA
Wind Chill	22°F (-6°C)
Last update	29 Dec 01:04 PM PST

More Information:

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

Extended Forecast for

13 Miles ESE Mammoth Lakes CA

This Afternoon
High: 43 °F
Sunny
Tonight
Low: 21 °F
Mostly Clear
Tuesday
High: 47 °F
Increasing
Clouds
Tuesday Night
Low: 27 °F
Mostly Cloudy
then Slight
Chance
Rain/Snow
Wednesday
High: 48 °F
Chance
Rain/Snow
then Rain
Likely
Wednesday Night
Low: 31 °F
Rain
New Year's Day
High: 45 °F
Rain
Thursday Night
Low: 27 °F
Chance Rain
then Chance
Rain/Snow
Friday
High: 46 °F
Chance
Rain/Snow

Detailed Forecast

This Afternoon

Sunny, with a high near 43. Northeast wind around 5 mph.

Tonight

Mostly clear, with a low around 21. Southeast wind around 5 mph becoming calm.

Tuesday

Increasing clouds, with a high near 47. Calm wind becoming northwest around 5 mph.

Tuesday Night

A slight chance of rain and snow between 4am and 5am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 27. Calm wind. Chance of precipitation is 10%.

Wednesday

A slight chance of snow before 7am, then a slight chance of rain and snow between 7am and 10am, then rain likely after 10am. Snow level 7900 feet rising to 9400 feet in the afternoon. Mostly cloudy, with a high near 48. Calm wind becoming south around 5 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Wednesday Night

Rain. Snow level 9600 feet. Low around 31. Calm wind. Chance of precipitation is 80%.

New Year's Day

Rain. Snow level 9100 feet lowering to 8500 feet in the afternoon . High near 45. Chance of precipitation is 80%.

Thursday Night

A chance of rain before 4am, then a slight chance of rain and snow. Snow level 8100 feet. Mostly cloudy, with a low around 27.

Friday

A chance of rain and snow before 1pm, then a chance of rain. Snow level 7700 feet. Partly sunny, with a high near 46.

Friday Night

A chance of rain before 7pm, then rain and snow likely. Snow level 7300 feet. Mostly cloudy, with a low around 25.

Saturday

Snow likely. Mostly cloudy, with a high near 43.