
DAMAGING WIND potential for Montana and portions of Idaho tonight and again Tuesday night and Wednesday. Gusts 50 mph+ tonight and 60 to 70 mph by Wednesday could knock down branches and topple trees. Power outages and damage to structures are possible.
Hazardous Weather Conditions
Current conditions at
RONAN (RONM8)
Lat: 47.53639°NLon: 114.09889°WElev: 3068.0ft.NA
53°F
12°C
| Humidity | 63% |
| Wind Speed | S 17 MPH |
| Barometer | NA |
| Dewpoint | 41°F (5°C) |
| Visibility | NA |
| Last update | 15 Dec 03:31 PM MST |
Extended Forecast for
St. Ignatius MT
High Wind Watch December 17, 05:00am until December 17, 05:00pm
Wind Advisory December 15, 07:00pm until December 16, 05:00am
This Afternoon

High: 50 °F
Chance Rain
Tonight

Low: 38 °F
Rain Likely
and BreezyTuesday
High: 47 °F
Chance Rain
then RainTuesday Night

Low: 36 °F
Rain
Wednesday
High: 47 °F
Rain/Snow and
Breezy then
Snow Likely
and WindyWednesday Night
Low: 28 °F
Chance Snow
and Breezy
then Mostly
CloudyThursday

High: 40 °F
Snow
Thursday Night
Low: 33 °F
Rain/Snow
then RainFriday
High: 42 °F
Rain Likely
then
Rain/Snow
Likely
Detailed Forecast
This Afternoon
A 40 percent chance of rain. Mostly cloudy, with a high near 50. South southeast wind around 11 mph, with gusts as high as 21 mph.
Tonight
Rain likely, mainly before 8pm. Mostly cloudy, with a low around 38. Breezy, with a south southeast wind 18 to 22 mph, with gusts as high as 55 mph. Chance of precipitation is 60%.
Tuesday
Rain, mainly after 2pm. High near 47. South southeast wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Tuesday Night
Rain. Low around 36. South wind 14 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain before 8am, then rain and snow between 8am and 11am, then snow likely after 11am. High near 47. Windy, with a west wind 25 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 28. Breezy. Little or no snow accumulation expected.
Thursday
Snow, mainly after 11am. High near 40. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
Rain and snow, becoming all rain after 11pm. Cloudy, with a low around 33.
Friday
Rain likely before 2pm, then rain and snow likely. Mostly cloudy, with a high near 42.
Friday Night
A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 27.
Saturday
A chance of snow. Mostly cloudy, with a high near 36.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 26.
Sunday
A chance of snow. Mostly cloudy, with a high near 38.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 27.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 40.
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ABOUT THIS FORECAST
Point Forecast:
St. Ignatius MT
47.31°N 114.09°W (Elev. 2999 ft)
47.31°N 114.09°W (Elev. 2999 ft)
1:01 pm MST Dec 15, 2025
4pm MST Dec 15, 2025-6pm MST Dec 22, 2025



