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

Hydrologic Outlook

Current conditions at

Ravalli County Airport (KHRF)

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

Overcast

39°F

4°C

Humidity	75%
Wind Speed	N 0 MPH
Barometer	30.16 in (1021.34 mb)
Dewpoint	32°F (0°C)
Visibility	10.00 mi
Last update	09 Dec 08:55 PM MST

More Information:

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

Extended Forecast for

13 Miles E Corvallis MT

Tonight
Low: 26 °F⇑
Heavy Snow
Wednesday
High: 38 °F
Rain/Snow and
Breezy
Wednesday Night
Low: 34 °F
Rain Likely
and Breezy
Thursday
High: 37 °F
Rain/Snow and
Breezy
Thursday Night
Low: 33 °F
Rain/Snow
Friday
High: 37 °F
Rain/Snow
Likely then
Chance
Rain/Snow
Friday Night
Low: 28 °F
Chance
Rain/Snow
then Chance
Snow
Saturday
High: 35 °F
Chance Snow
then Mostly
Sunny
Saturday Night
Low: 27 °F
Partly Cloudy

Detailed Forecast

Tonight

Snow, mainly after 10pm. The snow could be heavy at times. Temperature rising to around 33 by 5am. South southwest wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 4 to 8 inches possible.

Wednesday

Rain and snow before 4pm, then a chance of rain. High near 38. Breezy, with a west southwest wind 22 to 25 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

Rain likely, mainly before 11pm. Mostly cloudy, with a low around 34. Breezy, with a southwest wind around 23 mph, with gusts as high as 48 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday

Rain likely before 8am, then rain and snow. High near 37. Breezy, with a west southwest wind 17 to 22 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Thursday Night

Rain and snow before 11pm, then snow between 11pm and 5am, then snow, possibly mixed with rain after 5am. Low around 33. West southwest wind 15 to 20 mph decreasing to 9 to 14 mph in the evening. Winds could gust as high as 43 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Friday

Rain and snow likely before 8am, then snow likely between 8am and 2pm, then a chance of rain after 2pm. Mostly cloudy, with a high near 37. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Friday Night

A slight chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 28. Chance of precipitation is 30%. New snow accumulation of less than one inch possible.

Saturday

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

Saturday Night

Partly cloudy, with a low around 27.

Sunday

A chance of snow, mainly after 11am. Partly sunny, with a high near 37.

Sunday Night

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

Monday

A chance of snow. Partly sunny, with a high near 37.

Monday Night

A chance of snow. Mostly cloudy, with a low around 29.