Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Hazardous Weather Conditions

Current conditions at

ZORTMAN BLM (ALDM8)

Lat: 47.91189°NLon: 108.50389°WElev: 3980.0ft.

40°F

4°C

Humidity	94%
Wind Speed	W 8 MPH
Barometer	NA
Dewpoint	38°F (3°C)
Visibility	NA
Wind Chill	35°F (2°C)
Last update	11 Dec 10:32 AM MST

More Information:

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

Extended Forecast for

3 Miles WNW Zortman MT

Winter Storm Watch December 12, 02:00am until December 13, 11:00am

Winter Weather Advisory December 11, 10:50am until December 11, 08:00pm

Click here for hazard details and duration

Winter Storm Watch

Winter Weather Advisory

Winter Weather Advisory December 11, 10:50am until December 11, 08:00pm
NOW until 8:00pm Thu
Winter Weather Advisory
Today
High: 38 °F⇓
Chance Wintry
Mix and
Patchy
Blowing Snow
Tonight
Low: -2 °F
Chance Snow
and Patchy
Blowing Snow
Friday
High: 5 °F
Snow
Friday Night
Low: -5 °F
Heavy Snow
and Areas
Blowing Snow
Saturday
High: 13 °F
Slight Chance
Snow then
Mostly Cloudy
Saturday Night
Low: 5 °F
Mostly Cloudy
Sunday
High: 40 °F
Patchy
Blowing Snow
then Partly
Sunny
Sunday Night
Low: 32 °F
Partly Cloudy
and Breezy

Detailed Forecast

Today

A chance of rain and snow before noon, then a slight chance of freezing rain between noon and 1pm. Patchy blowing snow between 2pm and 3pm. Cloudy, with a temperature falling to around 11 by 5pm. Wind chill values between -5 and 5. Breezy, with a north northwest wind 20 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 30%. Total daytime snow accumulation of less than a half inch possible.

Tonight

A 50 percent chance of snow, mainly after 11pm. Patchy blowing snow after midnight. Cloudy, with a low around -2. Wind chill values between -10 and -15. North northwest wind 11 to 17 mph, with gusts as high as 28 mph. New snow accumulation of 1 to 2 inches possible.

Friday

Snow. High near 5. Wind chill values between -5 and -15. Calm wind becoming east 5 to 8 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Friday Night

Snow. The snow could be heavy at times. Areas of blowing snow between 8pm and 2am. Low around -5. Wind chill values between -15 and -20. East wind 11 to 14 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

Saturday

A 20 percent chance of snow before 11am. Mostly cloudy, with a high near 13. Northeast wind 8 to 10 mph becoming south southeast in the morning.

Saturday Night

Mostly cloudy, with a low around 5. South southeast wind 13 to 16 mph becoming southwest after midnight.

Sunday

Patchy blowing snow before 11am. Partly sunny, with a high near 40. West southwest wind 14 to 17 mph, with gusts as high as 25 mph.

Sunday Night

Partly cloudy, with a low around 32. Breezy, with a west wind 21 to 23 mph, with gusts as high as 29 mph.

Monday

Mostly sunny, with a high near 40. West southwest wind 14 to 21 mph.

Monday Night

Mostly cloudy, with a low around 36. Breezy, with a west southwest wind 18 to 23 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 34 mph.

Tuesday

Mostly sunny, with a high near 41. Windy, with a west wind 27 to 32 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 38 mph.

Tuesday Night

A chance of snow. Mostly cloudy, with a low around 27. Breezy.

Wednesday

A chance of snow. Mostly sunny, with a high near 35. Breezy.