Likelihood of HISTORIC Northern Rockies 3-5 day precipitation and snowmelt this week in some valleys and west slopes resulting in poor drainage ponding and stream flooding threats along with rockslides. Several feet of heavy snow above 8000 feet possible.

Hazardous Weather Conditions

Flood Watch in effect from December 8, 05:00 PM MST until December 11, 05:00 PM MST
Winter Weather Advisory in effect from December 10, 12:00 AM MST until December 10, 11:00 AM MST

Current conditions at

RONAN (RONM8)

Lat: 47.53639°NLon: 114.09889°WElev: 3068.0ft.

47°F

8°C

Humidity	81%
Wind Speed	SSW 9 MPH
Barometer	NA
Dewpoint	41°F (5°C)
Visibility	NA
Wind Chill	43°F (6°C)
Last update	09 Dec 03:31 AM MST

More Information:

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

Extended Forecast for

9 Miles ENE St. Ignatius MT

Flood Watch until December 11, 05:00pm

Winter Weather Advisory December 10, 12:00am until December 10, 11:00am

Click here for hazard details and duration

Flood Watch

Winter Weather Advisory

Flood Watch until December 11, 05:00pm
NOW until 5:00pm Thu
Flood Watch
Overnight
Low: 28 °F
Heavy Snow
and Windy
Tuesday
High: 29 °F⇓
Windy. Heavy
Snow then
Slight Chance
Snow
Tuesday Night
Low: 19 °F⇑
Chance Snow
then Heavy
Snow and
Breezy
Wednesday
High: 31 °F
Heavy Snow
and Breezy
Wednesday Night
Low: 28 °F
Heavy Snow
and Breezy
Thursday
High: 30 °F
Heavy Snow
and Breezy
Thursday Night
Low: 26 °F
Heavy Snow
Friday
High: 28 °F
Heavy Snow

Detailed Forecast

Overnight

Snow. The snow could be heavy at times. Steady temperature around 28. Windy, with a west southwest wind around 43 mph, with gusts as high as 70 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 7 inches possible.

Tuesday

Snow, mainly before 11am. The snow could be heavy at times. Temperature falling to around 17 by 5pm. Wind chill values as low as -2. Windy, with a west wind 39 to 44 mph decreasing to 31 to 36 mph in the afternoon. Winds could gust as high as 70 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Tuesday Night

Snow, mainly after midnight. The snow could be heavy at times. Temperature rising to around 27 by 5am. Breezy, with a west southwest wind 15 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

Wednesday

Snow. The snow could be heavy at times. High near 31. Breezy, with a west southwest wind 24 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

Wednesday Night

Snow. The snow could be heavy at times. Low around 28. Breezy, with a west southwest wind 24 to 29 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

Thursday

Snow. The snow could be heavy at times. High near 30. Breezy. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

Thursday Night

Snow. The snow could be heavy at times. Low around 26. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

Friday

Snow. The snow could be heavy at times. Cloudy, with a high near 28.

Friday Night

Snow likely, mainly before 11pm. Cloudy, with a low around 23. Breezy.

Saturday

A chance of snow. Mostly cloudy, with a high near 26.

Saturday Night

A chance of snow. Mostly cloudy, with a low around 22. Breezy.