Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

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

Current conditions at

Ravalli County Airport (KHRF)

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

Mostly Cloudy

41°F

5°C

Humidity	70%
Wind Speed	S 16 MPH
Barometer	30.1 in (1019.3 mb)
Dewpoint	32°F (0°C)
Visibility	10.00 mi
Wind Chill	33°F (1°C)
Last update	07 Dec 11:10 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 December 8, 05:00pm until December 11, 05:00am

Click here for hazard details and duration

Flood Watch

This Afternoon
High: 29 °F
Heavy Snow
Tonight
Low: 28 °F
Heavy Snow
and Blowing
Snow
Monday
High: 33 °F
Heavy Snow
and Patchy
Blowing Snow
Monday Night
Low: 28 °F
Heavy Snow
and Blowing
Snow
Tuesday
High: 32 °F
Heavy Snow
and Blowing
Snow
Tuesday Night
Low: 26 °F
Heavy Snow
and Patchy
Blowing Snow
Wednesday
High: 32 °F
Heavy Snow
and Areas
Blowing Snow
Wednesday Night
Low: 24 °F
Heavy Snow
and Patchy
Blowing Snow
Thursday
High: 27 °F
Snow

Detailed Forecast

This Afternoon

Snow. The snow could be heavy at times. High near 29. Southwest wind around 16 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 5 to 9 inches possible.

Tonight

Snow, mainly before 4am. The snow could be heavy at times. Widespread blowing snow, mainly between 1am and 3am. Low around 28. Breezy, with a west southwest wind 22 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of 5 to 9 inches possible.

Monday

Snow. The snow could be heavy at times. Patchy blowing snow. High near 33. Breezy, with a west southwest wind 20 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

Monday Night

Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 8pm. Low around 28. Breezy, with a southwest wind 21 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

Tuesday

Snow. The snow could be heavy at times. Widespread blowing snow, mainly before 11am. High near 32. Breezy, with a west southwest wind 24 to 29 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

Tuesday Night

Snow. The snow could be heavy at times. Patchy blowing snow after 2am. Low around 26. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

Wednesday

Snow. The snow could be heavy at times. Areas of blowing snow. High near 32. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

Wednesday Night

Snow. The snow could be heavy at times. Patchy blowing snow. Cloudy, with a low around 24.

Thursday

Snow. Mostly cloudy, with a high near 27.

Thursday Night

Snow likely. Mostly cloudy, with a low around 24.

Friday

Snow likely. Mostly cloudy, with a high near 31.

Friday Night

A chance of snow. Mostly cloudy, with a low around 26.

Saturday

A chance of snow. Partly sunny, with a high near 34.