Montana StormWatcher

Snowing now
0 of 11
resorts, up top
Freezing level
11,200 ft
middle of 11 resorts
SnowFactor 7+SnowFactor rates how likely snow is at the top of each resort over the next 24 hours, from 0 to 10. It is SnowGrabber's own calculation, built from NWS forecast data and each mountain's height. 7 or more: snow likely up high. 0: not this time.
0 resorts
next 24 h
Snowmaking tonightMakeFactor rates the snowmaking window at each resort's base area each night, 6 pm to 9 am, from 0 to 10. It counts the hours at 28°F wet bulb or colder and how cold they get: 7 or more is prime, 4 to 6 good, 1 to 3 marginal. It says the weather allows snowmaking, not that a resort is making snow. SnowGrabber's own calculation, from Open-Meteo hourly wet bulb.
0 resorts
coldest base wet bulb 28°F · MakeFactor
Cams
44
snowing resorts first · refresh 15 min
ResortNowat top elev.Top Elev.Freezing
level now		Lowest snow level
next 24 hNWS forecast		SnowFactorSnowFactor rates how likely snow is at the top of each resort over the next 24 hours, from 0 to 10. It is SnowGrabber's own calculation, built from NWS forecast data and each mountain's height. 7 or more: snow likely up high. 0: not this time.MakeFactorMakeFactor rates the snowmaking window at each resort's base area each night, 6 pm to 9 am, from 0 to 10. It counts the hours at 28°F wet bulb or colder and how cold they get: 7 or more is prime, 4 to 6 good, 1 to 3 marginal. It says the weather allows snowmaking, not that a resort is making snow. SnowGrabber's own calculation, from Open-Meteo hourly wet bulb.tonightSnow
last 24 htop · base		Snow
next 24 htop · base
Big Sky 32°F Clear 11,166 ft Below freezing at the top, cold enough for snow. The higher 0°C level is a warm layer aloft, above the mountain.11,800 ftwarm layer aloft Snow level drops below the base in the next 24 hours, to 7,300 ft: cold enough for snow top to bottom.7,300 ft 001 h · low 28°F wb Drybase dry
Blacktail Mountain 37°F Clear 6,780 ft Summit below the freezing level: above freezing all the way to the top, rain if anything falls.10,200 ft Snow level stays above the top in the next 24 hours, 6,800 ft at its lowest: too warm for snow up top.6,800 ft 0 Drybase dry
Bridger Bowl 37°F Clear 8,700 ft Summit below the freezing level: above freezing all the way to the top, rain if anything falls.11,700 ft Snow level reaches 7,700 ft at its lowest in the next 24 hours: cold enough for snow from there up.7,700 ft 00low 34°F wb Drybase dry
Discovery Ski Area 40°F Clear 8,150 ft Summit below the freezing level: above freezing all the way to the top, rain if anything falls.11,500 ft Snow level reaches 7,400 ft at its lowest in the next 24 hours: cold enough for snow from there up.7,400 ft 00low 30°F wb Drybase dry
Great Divide 41°F Clear 7,330 ft Summit below the freezing level: above freezing all the way to the top, rain if anything falls.11,200 ft Snow level stays above the top in the next 24 hours, 7,500 ft at its lowest: too warm for snow up top.7,500 ft 00low 35°F wb Drybase dry
Montana Snowbowl 38°F Clear 7,600 ft Summit below the freezing level: above freezing all the way to the top, rain if anything falls.11,200 ft Snow level stays above the top in the next 24 hours, 7,700 ft at its lowest: too warm for snow up top.7,700 ft 00low 36°F wb Drybase dry
Red Lodge 32°F Clear 9,416 ft Below freezing at the top, cold enough for snow. The higher 0°C level is a warm layer aloft, above the mountain.11,700 ftwarm layer aloft Snow level reaches 7,800 ft at its lowest in the next 24 hours: cold enough for snow from there up.7,800 ft 0 Drybase dry
Showdown 35°F Clear 8,200 ft Summit below the freezing level: above freezing all the way to the top, rain if anything falls.11,100 ft Snow level reaches 8,200 ft at its lowest in the next 24 hours: cold enough for snow from there up.8,200 ft 0 Drybase dry
Whitefish 35°F Clear 6,817 ft Summit below the freezing level: above freezing all the way to the top, rain if anything falls.9,800 ft Snow level reaches 6,500 ft at its lowest in the next 24 hours: cold enough for snow from there up.6,500 ft 00low 34°F wb Drybase dry
Lost Trail 45°F Clear 11,800 ft 7,200 ft Dry
Maverick Mountain 48°F Clear 11,800 ft 7,200 ft Dry

Every cam, snowing resorts first

SnowFactor rates how likely snow is at the top of each resort over the next 24 hours, from 0 to 10. It is SnowGrabber's own calculation, built from NWS forecast data and each mountain's height. 7 or more: snow likely up high. 0: not this time.

MakeFactor rates the snowmaking window at each resort's base area each night, 6 pm to 9 am, from 0 to 10. It counts the hours at 28°F wet bulb or colder and how cold they get: 7 or more is prime, 4 to 6 good, 1 to 3 marginal. It says the weather allows snowmaking, not that a resort is making snow. SnowGrabber's own calculation, from Open-Meteo hourly wet bulb.

Resort weather is modelled (Open-Meteo), not measured. Maps and satellite are copies of NWS and NOAA images, refreshed every 30 minutes. The freezing level and snow level are roughly where rain turns to snow. The cams show what actually happened.

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