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 >

Current conditions at

ST. REGIS (STGM8)

Lat: 47.30711° N Lon: 115.10761° W Elev: 2678.0 ft.

NA

33°F

1°C

Humidity 100%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 07 Dec 08:02 PM MST
Detailed forecast for

Lower Clark Fork Region

Tonight
Rain likely and a slight chance of snow early in the evening, then areas of rain and snow in the late evening and overnight. Patchy fog after midnight. Chance of precipitation 70 percent. Little or no new snow accumulation. Lows in the 30s. Very windy with southwest winds 25 to 35 mph with gusts to around 30 mph.
Monday
Rain and snow likely in the morning, then rain likely and a slight chance of snow in the afternoon. Patchy fog in the morning. Chance of precipitation near 100 percent. No snow accumulation. Highs in the upper 30s to mid 40s. Southwest winds 15 to 20 mph with gusts to around 30 mph.
Monday Night
Rain likely. Patchy fog. Chance of rain near 100 percent. Lows in the 30s to lower 40s. Southwest winds 15 to 25 mph with gusts to around 35 mph.
Tuesday
Slight chance of snow. Rain likely in the morning, then a chance of rain in the afternoon. Chance of precipitation 70 percent. Snow level 4500 feet. Highs in the upper 30s to mid 40s. West winds 15 to 25 mph with gusts to around 35 mph.
Tuesday Night
Rain and snow likely. Patchy fog in the evening. Widespread fog after midnight. Chance of precipitation 90 percent. Snow level 4000 feet. Light snow accumulations. Lows in the upper 20s to mid 30s.
Wednesday
Slight chance of snow. Rain likely. Widespread fog in the morning. Chance of precipitation near 100 percent. Highs in the upper 30s to mid 40s.
Wednesday Night
Rain likely. Slight chance of snow in the evening, then snow likely after midnight. Chance of precipitation 70 percent. Lows in the mid 20s to lower 30s.
Thursday
Mostly cloudy with a 50 percent chance of rain and snow. Highs in the 30s.
Thursday Night
Mostly cloudy with a 50 percent chance of rain and snow. Lows in the 20s.
Friday
Mostly cloudy with a 50 percent chance of rain and snow. Highs in the mid 30s to lower 40s.
Friday Night
Mostly cloudy with a 30 percent chance of rain and snow. Lows in the upper 20s to mid 30s.
Saturday
Mostly cloudy with a 30 percent chance of rain and snow. Highs in the upper 30s to mid 40s.
Saturday Night
Mostly cloudy with a 40 percent chance of rain and snow. Lows in the upper 20s to mid 30s.
Sunday
Mostly cloudy with a 50 percent chance of rain and snow. Highs in the upper 30s to mid 40s.



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102 PM MST Sun Dec 7 2025
 
 

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