Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Hazardous Weather Conditions

Winter Weather Advisory until December 27, 07:00 AM PST

Current conditions at

SISTERS (K6K5)

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

34°F

1°C

Humidity	69%
Wind Speed	WSW 16 MPH
Barometer	29.94 in (1013.89 mb)
Dewpoint	25°F (-4°C)
Visibility	NA
Wind Chill	24°F (-4°C)
Last update	27 Dec 04:55 AM PST

More Information:

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

Extended Forecast for

10 Miles W Sisters OR

Winter Weather Advisory December 27, 05:47am until December 27, 07:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory December 27, 05:47am until December 27, 07:00am
NOW until 7:00am Sat
Winter Weather Advisory
Overnight
Low: 21 °F
Chance Snow
and Windy
Saturday
High: 20 °F
Chance Snow
and Windy
Saturday Night
Low: 16 °F
Slight Chance
Snow
Sunday
High: 27 °F
Mostly Sunny
Sunday Night
Low: 22 °F
Mostly Cloudy
Monday
High: 33 °F
Mostly Sunny
Monday Night
Low: 25 °F
Mostly Cloudy
Tuesday
High: 36 °F
Partly Sunny

Detailed Forecast

Overnight

A 50 percent chance of snow. Mostly cloudy, with a steady temperature around 21. Windy, with a west wind around 36 mph, with gusts as high as 43 mph. Total nighttime snow accumulation of 1 to 3 inches possible.

Saturday

A 40 percent chance of snow, mainly before 1pm. Partly sunny, with a high near 20. Wind chill values as low as -1. Windy, with a west wind 25 to 30 mph decreasing to 16 to 21 mph in the afternoon. Winds could gust as high as 37 mph.

Saturday Night

A slight chance of snow between 7pm and 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 16. West wind 6 to 9 mph. Chance of precipitation is 20%.

Sunday

Mostly sunny, with a high near 27. East wind 6 to 8 mph.

Sunday Night

Mostly cloudy, with a low around 22. South wind 9 to 15 mph, with gusts as high as 18 mph.

Monday

Mostly sunny, with a high near 33.

Monday Night

Mostly cloudy, with a low around 25.

Tuesday

Partly sunny, with a high near 36.

Tuesday Night

Mostly cloudy, with a low around 28.