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

13 Miles NNW Mount Bachelor OR

Winter Weather Advisory December 27, 06:10am until December 27, 07:00am

Click here for hazard details and duration

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Winter Weather Advisory December 27, 06:10am until December 27, 07:00am
NOW until 7:00am Sat
Winter Weather Advisory
Today
High: 15 °F
Chance Snow
and Windy
Tonight
Low: 13 °F
Slight Chance
Snow
Sunday
High: 27 °F
Mostly Sunny
Sunday Night
Low: 21 °F
Mostly Cloudy
Monday
High: 33 °F
Mostly Sunny
Monday Night
Low: 23 °F
Partly Cloudy
Tuesday
High: 35 °F
Partly Sunny
Tuesday Night
Low: 26 °F
Partly Cloudy

Detailed Forecast

Today

A 50 percent chance of snow before 1pm. Partly sunny, with a steady temperature around 15. Wind chill values as low as -7. Windy, with a west wind 27 to 32 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 49 mph. Total daytime snow accumulation of less than one inch possible.

Tonight

A slight chance of snow between 7pm and 1am. Mostly cloudy, with a low around 13. West wind 5 to 7 mph. Chance of precipitation is 20%.

Sunday

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

Sunday Night

Mostly cloudy, with a low around 21. South wind 10 to 15 mph, with gusts as high as 24 mph.

Monday

Mostly sunny, with a high near 33. South wind 9 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 24 mph.

Monday Night

Partly cloudy, with a low around 23.

Tuesday

Partly sunny, with a high near 35.