SnowOdds

76 winters, day by day

Red Lodge Mountain, United States. Every ski winter from 1950/51 to 2025/26.

Painting of Red Lodge Mountain
Average winter
1.6 m62 in
Snowiest winter
2.4 m93 in
Leanest winter
97 cm38 in
Powder days a winter
1

Every day of every winter

Each row is a winter, oldest at the top. Each column is a day, from the start of the season to the end. The darker the blue, the more snow fell that day.

Loading the daily snowfall…

Winter total
1950/511960/611970/711980/811990/912000/012010/112020/21
New snow in a day
1 cm0.4 in3 cm1 in7 cm3 in15 cm6 in30 cm12 in50 cm20 in

Climate change

One stripe per winter, 1950/51 to 2025/26. Blue winters were colder than this resort’s average, red ones warmer.

Average winter temperature at the summit

Faster warming than 11% of 736 resorts

+1.4°C+2.4°F

The trend: from -10°C13°F to -9°C16°F. Point at a winter to read it.

-12°10°-10°14°-8°18°-6°21°

Snowfall at the summit

−15%

The trend: from 1.7 m67 in to 1.5 m57 in. Point at a winter to read it.

1.0 m39 in1.5 m59 in2.0 m79 in2.5 m98 in

Powder days at the summit

−1 day

The trend: from 2 to 1. Point at a winter to read it.

024

Days with a base at the summit

−7 days

The trend: from 158 to 150. Point at a winter to read it.

100150

Days with a base in the village

−27 days

The trend: from 148 to 121. Point at a winter to read it.

50100150

Each dot is one winter. The curve is a running average over about ten winters; the dotted line is the straight trend through all of them, and the changes above are measured along it. One winter is weather; the trend is climate.

Then and now

Then 1950/51–1979/80Now 1996/97–2025/26

Snowfall at the summit−14%

Then

1.7 m66 in

Now

1.4 m57 in

Powder days at the summit−1 day

Then

2

Now

1

Days with a base at the summit−7 days

Then

154

Now

148

Days with a base in the village−22 days

Then

142

Now

120

Average temperature at the summit+0.9°C+1.6°F

Then

-10°C13°F

Now

-9°C15°F

Averages per winter over the first and last 30 winters. A powder day brings 10 cm4 in or more of new snow; a base is 30 cm12 in or more on the ground.

Records

Most snow in a day
26 cm10 in
Snowiest winter
2.4 m93 in
Leanest winter
97 cm38 in
Deepest snow on the ground
170 cm67 in
Coldest night at the summit
-41°C-41°F
Strongest gust at the summit
89 km/h55 mph

All winters

Modelled weather from ERA5 and ERA5-Land, not measured on the slopes. Snow depth is the average over a grid cell about 9 km wide, so it can differ a lot from what the piste report says. How SnowOdds works