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

JETTE (JETM8)

Lat: 47.76706°NLon: 114.23378°WElev: 3593.0ft.

34°F

1°C

Humidity	100%
Wind Speed	S 1 MPH
Barometer	NA
Dewpoint	34°F (1°C)
Visibility	NA
Last update	10 Dec 04:43 AM MST

More Information:

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

Extended Forecast for

5 Miles NE Big Arm 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
Overnight
Low: 36 °F
Rain
Wednesday
High: 50 °F
Rain
Wednesday Night
Low: 46 °F
Rain and
Breezy
Thursday
High: 47 °F
Rain
Thursday Night
Low: 40 °F
Rain Likely
then
Rain/Snow
Likely
Friday
High: 47 °F
Rain/Snow
Friday Night
Low: 41 °F
Chance Rain
Saturday
High: 47 °F
Chance Rain

Detailed Forecast

Overnight

Rain. Low around 36. South wind around 8 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.

Wednesday

Rain, mainly after 11am. High near 50. South wind 11 to 16 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night

Rain. Low around 46. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday

Rain. High near 47. West southwest wind 10 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Night

Rain likely before 2am, then rain and snow likely. Cloudy, with a low around 40. West southwest wind 3 to 7 mph. Winds could gust as high as 22 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Friday

Rain and snow. High near 47. Chance of precipitation is 90%. Little or no snow accumulation expected.

Friday Night

A 50 percent chance of rain. Cloudy, with a low around 41. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday

A chance of rain, mainly before 11am. Mostly cloudy, with a high near 47.

Saturday Night

Mostly cloudy, with a low around 38.

Sunday

A chance of rain, mainly after 11am. Mostly cloudy, with a high near 48.

Sunday Night

A chance of rain. Mostly cloudy, with a low around 40.