Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Hazardous Weather Conditions

Flood Watch in effect from December 8, 05:00 PM MST until December 11, 05:00 PM MST

Current conditions at

PLAINS (PLAM8)

Lat: 47.46622°NLon: 114.87961°WElev: 2481.0ft.

35°F

2°C

Humidity	87%
Wind Speed	N 0 MPH
Barometer	NA
Dewpoint	31°F (-1°C)
Visibility	NA
Last update	09 Dec 10:26 PM MST

More Information:

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

Extended Forecast for

10 Miles W Plains MT

Flood Watch until December 11, 05:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch until December 11, 05:00pm
NOW until 5:00pm Thu
Flood Watch
Tonight
Low: 31 °F⇑
Heavy Snow
Wednesday
High: 43 °F
Rain and
Breezy
Wednesday Night
Low: 40 °F
Rain and
Breezy
Thursday
High: 40 °F
Rain and
Breezy
Thursday Night
Low: 38 °F
Rain/Snow
Likely
Friday
High: 41 °F
Rain/Snow
Friday Night
Low: 36 °F
Chance Rain
Saturday
High: 39 °F
Slight Chance
Rain/Snow

Detailed Forecast

Tonight

Snow. The snow could be heavy at times. Temperature rising to around 37 by 5am. South southwest wind 6 to 10 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.

Wednesday

Rain. High near 43. Breezy, with a west southwest wind 16 to 25 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Wednesday Night

Rain. Low around 40. Breezy, with a west southwest wind 26 to 28 mph, with gusts as high as 60 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

Thursday

Rain. High near 40. Breezy, with a west southwest wind 15 to 24 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Thursday Night

Rain likely before 8pm, then rain and snow likely. Snow level 5500 feet. Mostly cloudy, with a low around 38. West southwest wind 9 to 13 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Friday

Rain and snow, becoming all rain after 2pm. Snow level 5200 feet rising to 6700 feet in the afternoon. High near 41. Chance of precipitation is 80%. Little or no snow accumulation expected.

Friday Night

A 50 percent chance of rain. Mostly cloudy, with a low around 36. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday

A slight chance of rain and snow. Snow level 5500 feet. Partly sunny, with a high near 39.

Saturday Night

A slight chance of rain and snow after 11pm. Snow level 5500 feet. Mostly cloudy, with a low around 33.

Sunday

A chance of rain and snow. Snow level 5300 feet. Partly sunny, with a high near 39.

Sunday Night

A chance of rain and snow. Snow level 5400 feet. Mostly cloudy, with a low around 35.

Monday

A chance of rain and snow. Snow level 5600 feet. Mostly cloudy, with a high near 40.