Expires:202512212300;;964254
FPUS55 KTFX 210938
ZFPTFX

Zone Forecast Product for Central and Southwest Montana
National Weather Service Great Falls MT
238 AM MST Sun Dec 21 2025

Spot temperatures and probabilities of measurable precipitation
are for today, tonight, and Monday.



MTZ330-212300-
Gallatin and Madison County Mountains and Centennial Mountains-
Including the cities of Big Sky, West Yellowstone, Targhee Pass, 
and Raynolds Pass
238 AM MST Sun Dec 21 2025

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM MST MONDAY...

.TODAY...Not as cold. Patchy blowing snow in the morning. Patchy
blowing snow in the afternoon. Snow through the day. Rain likely
in the afternoon. Snow may be heavy at times late in the morning.
Visibility one quarter mile or less at times in the morning then
one quarter mile or less at times late in the afternoon. Snow
accumulation up to 12 inches. Highs 32 to 40. South winds 5 to
15 mph. Gusts up to 35 mph increasing to 45 mph in the afternoon.
Chance of precipitation near 100 percent. 
.TONIGHT...Breezy. Not as cold. Rain, snow and freezing rain
likely in the evening, then rain, snow likely and slight chance
of freezing rain after midnight. Patchy blowing snow through the
night. Visibility one quarter mile or less at times. Snow
accumulation up to 10 inches. Snow level 7800 feet. Near steady
temperature in the mid 30s. Southwest winds 15 to 25 mph with
gusts to around 55 mph. Chance of precipitation 70 percent. 
.MONDAY...Snow, rain and slight chance of freezing rain in the
morning, then snow likely in the afternoon. Snow accumulation up
to 3 inches. Near steady temperature in the lower 30s. Southwest
winds 10 to 20 mph. Gusts up to 50 mph decreasing to 40 mph in
the afternoon. Chance of precipitation near 100 percent. 
.MONDAY NIGHT...Chance of snow in the evening, then chance of
snow and rain likely after midnight. Light snow accumulations.
Near steady temperature in the lower 30s. South winds 10 to
15 mph with gusts to around 40 mph. Chance of precipitation
70 percent. 
.TUESDAY...Cloudy. Chance of snow and rain in the morning, then
slight chance of rain and snow in the afternoon. Highs 33 to 43.
South winds 10 to 15 mph with gusts to around 40 mph. Chance of
precipitation 50 percent. 
.TUESDAY NIGHT...Mostly cloudy. Near steady temperature in the
lower 30s. 
.WEDNESDAY...Breezy. Partly sunny. Slight chance of snow in the
morning, then snow likely and chance of rain in the afternoon.
Moderate snow accumulations. Highs 34 to 44. Chance of
precipitation 70 percent. 
.WEDNESDAY NIGHT...Mostly cloudy. Snow and rain likely in the
evening, then chance of snow after midnight. Heavy snow
accumulations. Lows 25 to 31. Chance of precipitation 70 percent.
.CHRISTMAS DAY THROUGH FRIDAY...Mostly cloudy with a 50 percent
chance of snow. Highs 29 to 41. Lows 25 to 31. 
.FRIDAY NIGHT AND SATURDAY...Mostly cloudy. A 20 percent chance
of snow. Lows 18 to 24. Highs 27 to 37. 

&&
               TEMPERATURE     /    PRECIPITATION    

West Yellowstone   39     33     40  / 100     90    100 


$$