Heavy Snow in the Cascades and Northern Rockies; Wintry Mix in the Northeast; High Winds in Southern California

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. today. High winds could blow down trees and power lines in the mountains of southern California this evening through Thursday. Read More >

Hazardous Weather Conditions

Winter Storm Warning until January 8, 04:00 PM PST

Current conditions at

SISTERS (K6K5)

Lat: 44.30445°NLon: 121.53909°WElev: 3168.0ft.

39°F

4°C

Humidity	55%
Wind Speed	SW 13 MPH
Barometer	29.79 in (1008.81 mb)
Dewpoint	25°F (-4°C)
Visibility	NA
Wind Chill	31°F (-1°C)
Last update	07 Jan 10:55 AM PST

More Information:

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

Extended Forecast for

4 Miles NE Sisters OR

Winter Storm Warning January 7, 12:06pm until January 8, 04:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning January 7, 12:06pm until January 8, 04:00pm
NOW until 4:00pm Thu
Winter Storm Warning
This Afternoon
High: 38 °F⇓
Snow
Tonight
Low: 23 °F
Snow Likely
Thursday
High: 36 °F
Snow Likely
Thursday Night
Low: 22 °F
Slight Chance
Snow then
Mostly Cloudy
Friday
High: 44 °F
Mostly Sunny
Friday Night
Low: 23 °F
Partly Cloudy
Saturday
High: 46 °F
Partly Sunny
Saturday Night
Low: 27 °F
Mostly Cloudy

Detailed Forecast

This Afternoon

Snow, mainly after 1pm. Temperature falling to around 31 by 5pm. West wind 10 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than one inch possible.

Tonight

Snow likely, mainly before 7pm. Partly cloudy, with a low around 23. West wind around 8 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Thursday

Snow likely, mainly before 10am. Partly sunny, with a high near 36. West wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Thursday Night

A 20 percent chance of snow before 10pm. Mostly cloudy, with a low around 22. Southwest wind 3 to 6 mph.

Friday

Mostly sunny, with a high near 44. Calm wind.

Friday Night

Partly cloudy, with a low around 23.

Saturday

Partly sunny, with a high near 46.

Saturday Night

Mostly cloudy, with a low around 27.

Sunday

Partly sunny, with a high near 47.