Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Hazardous Weather Conditions

Current conditions at

BIG SHEEP MOUNTAIN (LCFM8)

Lat: 47.02819°NLon: 105.80472°WElev: 3172.0ft.

36°F

2°C

Humidity	100%
Wind Speed	W 7 MPH
Barometer	NA
Dewpoint	36°F (2°C)
Visibility	NA
Wind Chill	30°F (-1°C)
Last update	10 Dec 08:08 PM MST

More Information:

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

Extended Forecast for

13 Miles WSW Brockway MT

Winter Storm Watch December 11, 08:00pm until December 13, 11:00am

Winter Storm Warning until December 11, 08:00pm

Click here for hazard details and duration

Winter Storm Watch

Winter Storm Warning

Winter Storm Warning until December 11, 08:00pm
NOW until 8:00pm Thu
Winter Storm Warning
Tonight
Low: 33 °F
Rain Likely
then Rain
Thursday
High: 40 °F⇓
Rain/Snow
then Chance
Rain/Snow
Thursday Night
Low: -1 °F
Chance Snow
Friday
High: 6 °F
Snow Likely
Friday Night
Low: -4 °F
Snow
Saturday
High: 12 °F
Chance Snow
then Partly
Sunny
Saturday Night
Low: 2 °F
Partly Cloudy
Sunday
High: 40 °F
Sunny

Detailed Forecast

Tonight

Rain, mainly after 11pm. Low around 33. West southwest wind 5 to 7 mph becoming north northwest after midnight. Chance of precipitation is 90%.

Thursday

Rain, possibly mixed with snow before 3pm, then a chance of snow after 5pm. Temperature rising to near 40 by 11am, then falling to around 27 during the remainder of the day. North northwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Thursday Night

A 30 percent chance of snow, mainly after 11pm. Cloudy, with a low around -1. Wind chill values between -5 and -15. North northwest wind 10 to 16 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.

Friday

Snow likely, mainly after 11am. Cloudy, with a high near 6. Wind chill values between -5 and -15. North wind 7 to 10 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Friday Night

Snow. Low around -4. East wind around 7 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Saturday

A 30 percent chance of snow before 11am. Mostly cloudy, with a high near 12. Northeast wind 6 to 8 mph becoming southeast in the afternoon. New snow accumulation of less than a half inch possible.

Saturday Night

Partly cloudy, with a low around 2. Southeast wind 8 to 10 mph.

Sunday

Sunny, with a high near 40. Southwest wind 10 to 13 mph, with gusts as high as 18 mph.

Sunday Night

Mostly clear, with a low around 25. West southwest wind 7 to 9 mph.

Monday

Sunny, with a high near 41. South southwest wind 6 to 10 mph.

Monday Night

Mostly cloudy, with a low around 32. South southwest wind 9 to 11 mph.

Tuesday

Partly sunny, with a high near 44.