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

Ravalli County Airport (KHRF)

Lat: 46.25463°NLon: 114.1246°WElev: 3644.0ft.

Overcast

39°F

4°C

Humidity	86%
Wind Speed	SSW 10 MPH
Barometer	30.04 in (1017.27 mb)
Dewpoint	36°F (2°C)
Visibility	10.00 mi
Wind Chill	32°F (0°C)
Last update	10 Dec 01:15 AM MST

More Information:

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

Extended Forecast for

19 Miles WNW Darby 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: 26 °F
Heavy Snow
Wednesday
High: 35 °F
Rain/Snow and
Breezy then
Rain Likely
Wednesday Night
Low: 33 °F
Breezy.
Chance Rain
then Chance
Rain/Snow
Thursday
High: 36 °F
Rain/Snow and
Breezy
Thursday Night
Low: 33 °F
Snow
Friday
High: 35 °F
Snow then
Chance Snow
Friday Night
Low: 28 °F
Slight Chance
Snow
Saturday
High: 35 °F
Slight Chance
Snow then
Mostly Sunny

Detailed Forecast

Overnight

Snow. The snow could be heavy at times. Low around 26. West southwest wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 6 to 10 inches possible.

Wednesday

Rain and snow before 1pm, then a chance of rain. Snow level 7800 feet rising to 9100 feet in the afternoon. High near 35. Breezy, with a west southwest wind around 22 mph, with gusts as high as 48 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Wednesday Night

A chance of rain before 11pm, then a chance of rain and snow after midnight. Mostly cloudy, with a low around 33. Breezy, with a west southwest wind 22 to 24 mph, with gusts as high as 44 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

Thursday

Rain and snow. Snow level 8800 feet lowering to 7400 feet in the afternoon . High near 36. Breezy, with a west southwest wind 20 to 24 mph, with gusts as high as 46 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Thursday Night

Snow. Low around 33. West wind 17 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

Friday

Snow, mainly before 11am. High near 35. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Friday Night

A 20 percent chance of snow. Mostly cloudy, with a low around 28.

Saturday

A slight chance of snow before 11am. Mostly sunny, with a high near 35.

Saturday Night

Partly cloudy, with a low around 26.

Sunday

A chance of snow, mainly after 11am. Mostly sunny, with a high near 35.

Sunday Night

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