Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Current conditions at

Big Hole Pass CTY-278 MP 32 (MTBHP)

Lat: 45.31545° N Lon: 113.30974° W Elev: 6722.0 ft.

NA

32°F

0°C

Humidity 53%
Wind Speed ENE 10 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility NA
Wind Chill24°F (-4°C)
Last update 24 Dec 03:45 AM MST
Detailed forecast for

Northwest Beaverhead County

Today
Mostly sunny until late afternoon then becoming mostly cloudy. Snow likely and chance of rain late in the afternoon. Snow accumulation up to 1 inch. Snow level 7100 feet. Highs 34 to 42. South winds 10 to 15 mph with gusts to around 40 mph. Chance of precipitation 70 percent.
Tonight
Rain and snow likely in the evening, then rain likely and chance of snow after midnight. Patchy fog through the night. Snow accumulation up to 5 inches. Total snow accumulation up to 6 inches. Snow level 7400 feet. Lows around 30. South winds up to 15 mph. Gusts up to 35 mph decreasing to 25 mph after midnight. Chance of precipitation 70 percent.
Christmas Day
Partly sunny. Patchy fog in the morning. Chance of snow and rain in the morning, then chance of snow and slight chance of rain in the afternoon. Highs 35 to 41. Southwest winds up to 15 mph. Chance of precipitation 50 percent.
Thursday Night
Mostly cloudy with a 50 percent chance of snow. Lows in the mid 20s. South winds 5 to 15 mph with gusts to around 30 mph.
Friday
Snow likely. Light snow accumulations. Highs 27 to 35. Southwest winds 5 to 20 mph. Gusts up to 35 mph increasing to 45 mph in the afternoon. Chance of snow 70 percent.
Friday Night And Saturday
Mostly cloudy. A 50 percent chance of snow. Lows around 15. Highs 18 to 26.
Saturday Night
Partly cloudy. Lows around 7.
Sunday
Partly sunny. Highs 21 to 29.
Sunday Night
Partly cloudy. Lows 10 to 16.
Monday Through Tuesday
Mostly cloudy. Highs 29 to 40. Lows 16 to 22.



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339 AM MST Wed Dec 24 2025
 
 

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