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Storm WatchLikelyLikely at 8 of 14 resorts

Mid-November North Atlantic System

14 resorts in the path, 100cm at the biggest. Likely — the models agree on this one; likely at 8 of 14 resorts.

+100CM

Predicted at Stranda

42–173cm across the models

Storm

Nov 13–20

14 resorts in the path

Peak

Nov 19

32cm at Courmayeur

Predicted

100cm

Stranda · 42–173cm across the models

Confidence

Likely

Likely at 8 of 14 resorts

Updated

Nov 10, 18:30 UTC

S

SnowSure Forecaster

Written from the blend and the model spread · updated Nov 10, 18:30 UTC

Current prediction: 42–173cm for Courmayeur between 2026-11-16 and 2026-11-20, 100cm our central figure. The biggest day is 2026-11-19 at 32cm. Also in the path: La Thuile 99cm, Méribel 98cm, Grands Montets 94cm, and 10 more. Confidence is likely: the models agree on both the window and the magnitude. By resort: Likely at 8 of 14 resorts. These figures are re-read from the latest model blend; each entry in the log keeps what we said at the time.

Forecast log

Every entry, newest first. Nothing is overwritten.

  1. Day 8·Nov 10·Likely·41cm(-28)

    Day 8: totals down 28.2cm; confidence likely, window opens Nov 13

    Day 8: the top total has decreased by 28.2cm since our last update, but the window has shifted to open one day earlier, now running from November 13 to November 16. Current predictions show Stranda leading with 40.5cm, followed closely by Voss at 37.2cm and Myrkdalen at 35.5cm over the window. All resorts have shown a trend on track with likely confidence. As we approach the event, we will monitor any changes in the forecast models, particularly regarding snowfall distribution and timing. The biggest day is expected on November 15, with Stranda and Voss both projected to receive significant totals.

    Window Nov 13–16 · Stranda

  2. Day 7·Nov 9·Watching·69cm(+31)

    Day 7: totals up 30.8cm; confidence watching, window holds

    Day 7: totals are up 30.8cm since our last entry, and the window remains unchanged from November 14 to November 20. Current predictions show La Grave leading with 68.7cm, followed by Alpe d'Huez at 59.4cm and Les Deux Alpes at 54.5cm, all with the biggest day expected on November 20. Aiguille du Midi, Voss, and Stranda are also included in this window, but their totals are lower. We are watching the confidence level closely as it has shifted to watching, indicating some uncertainty in the models. The next few days will be crucial for refining these totals.

    Window Nov 14–20 · La Grave

  3. Day 6·Nov 8·Likely·38cm(-39)

    Day 6: totals down 39cm, 8–69cm for Isola 2000

    Day 6: totals down 39cm at Isola 2000, the window slid 3 days later, 5 resorts joined the path. Current prediction: 8–69cm for Isola 2000 between 2026-11-14 and 2026-11-17, 38cm our central figure. The biggest day is 2026-11-17 at 27cm. Also in the path: Prato Nevoso 37cm, Artesina 36cm, Stranda 35cm, and 2 more. Confidence is likely: the models agree on both the window and the magnitude. By resort: Likely at 3 of 6 resorts. On day one we said 39cm from 2026-11-15; that is the number we are measured against. What to watch next: whether the models hold the window, whether the low tracks closer to the core resorts, and the freezing level in the days before it arrives. 6 days to go.

    Window Nov 14–17 · Isola 2000

  4. Day 5·Nov 7·Likely·77cm(+39)

    Confidence likely: 76.9cm for Stranda Nov 11–16

    Day 5: totals up 39.1cm for Stranda since the previous entry, and the window held. We are now predicting a total of 76.9cm for Stranda over the window from November 11 to November 16, with the biggest day expected to be November 14 at 21.3cm. Confidence remains likely, and the trend is strengthening as we approach the event. As we look ahead, we will monitor the actual snowfall amounts closely as the storm approaches. The current forecast indicates a significant accumulation, but we will keep an eye on any shifts in the models that could affect timing or totals.

    Window Nov 11–16 · Stranda

  5. Day 4·Nov 6·Likely·38cm(-1)

    Confidence likely: 37.8cm for Stranda Nov 11–14

    Day 4: the top total for Stranda is down 1.3cm since the previous entry, but the window has moved 4 days earlier. We now predict 37.8cm over the window from November 11 to November 14, with a range of 9.5–80.5cm. The biggest day is expected to be November 13, with 15.1cm. While confidence is likely, we note a weakening trend in the data, so we will continue to monitor the situation closely. Next, we will watch for any shifts in model outputs as we approach the start of the window.

    Window Nov 11–14 · Stranda

  6. Day 3·Nov 5·Watching·39cmFirst prediction

    Confidence builds: 39.1cm for Stranda Nov 15–18

    THE PREDICTION: We anticipate a total of 39.1cm for Stranda over the window from November 15 to 18, with a range of 3.8–57.3cm. The current pattern suggests a favorable setup for snowfall across the Alps and wider Europe, with conditions trending on track for this event. Stranda stands to benefit the most, particularly on November 17, when we expect the biggest day with 30.3cm. Other resorts may see varying amounts, but they are not listed here, so we focus on Stranda. A shift in the forecast could occur if the models diverge significantly in the coming days, which would impact our confidence in these totals.

    Window Nov 15–18 · Stranda

Snow by day

Nov 12 – Nov 21, with a day either side. For each resort: where the freeze line sits against the mountain, then what falls — snow in cm, rain in mm — and the day read from those two numbers.

Courmayeurbase 1,224 m · summit 2,755 m

100cm snow12mm rain

Modelled at the summit, 2,755 m · snow above 1,880 m

Freeze
line
m
Snow
/ rain
cm · mm
summit 2,755 mbase 1,224 m2,2771,8801,6071,7881,8361,8541,6491,7601,2241,3773201131515112632131

Thu

Nov 12

Mixed

Fri

Nov 13

Mixed

Sat

Nov 14

—

Sun

Nov 15

Snow

Mon

Nov 16

Snow

Tue

Nov 17

Mixed

Wed

Nov 18

Snow

Thu

Nov 19

Snow

Fri

Nov 20

Snow

Sat

Nov 21

Snow

How the call movedone reading
100Nov 10

snow Sun, Mon, Wed, Thu, Fri · rain low, snow high Fri, Tue (above about 1,880 m)

La Thuilebase 1,450 m · summit 2,600 m

99cm snow21mm rain

Modelled at the summit, 2,600 m · snow above 1,943 m

Freeze
line
m
Snow
/ rain
cm · mm
summit 2,600 mbase 1,450 m2,4081,9431,6961,8041,7571,7571,6961,6961,4501,45061611418121926132121

Thu

Nov 12

Mixed

Fri

Nov 13

Mixed

Sat

Nov 14

—

Sun

Nov 15

Snow

Mon

Nov 16

Snow

Tue

Nov 17

Mixed

Wed

Nov 18

Snow

Thu

Nov 19

Snow

Fri

Nov 20

Snow

Sat

Nov 21

Snow

How the call movedone reading
99Nov 10

snow Sun, Mon, Wed, Thu, Fri · rain low, snow high Fri, Tue (above about 1,943 m)

Méribelbase 1,400 m · summit 2,952 m

98cm snow24mm rain

Modelled at the summit, 2,952 m · snow above 2,287 m

Freeze
line
m
Snow
/ rain
cm · mm
summit 2,952 mbase 1,400 m2,5441,9432,0982,2871,8661,9171,7271,6451,4001,4001123411129183033141

Thu

Nov 12

Rain

Fri

Nov 13

Mixed

Sat

Nov 14

Dry

Sun

Nov 15

Mixed

Mon

Nov 16

Snow

Tue

Nov 17

Mixed

Wed

Nov 18

Snow

Thu

Nov 19

Snow

Fri

Nov 20

Snow

Sat

Nov 21

Snow

How the call moved+67cm
3098Nov 10Nov 10

snow Mon, Wed, Thu, Fri · rain low, snow high Fri, Sun, Tue (above about 2,287 m)

Grands Montetsbase 1,252 m · summit 3,275 m

94cm snow4mm rain

Modelled at the summit, 3,275 m · snow above 2,108 m

Freeze
line
m
Snow
/ rain
cm · mm
summit 3,275 mbase 1,252 m2,5471,8991,9522,1081,8511,8741,7971,7761,2521,408512521191932735141

Thu

Nov 12

Mixed

Fri

Nov 13

Snow

Sat

Nov 14

—

Sun

Nov 15

Mixed

Mon

Nov 16

Snow

Tue

Nov 17

Snow

Wed

Nov 18

Snow

Thu

Nov 19

Snow

Fri

Nov 20

Snow

Sat

Nov 21

Snow

How the call moved+63cm
3194Nov 10Nov 10

snow Fri, Mon, Tue, Wed, Thu, Fri · rain low, snow high Sun (above about 2,108 m)

Glacier 3000 - Les Diableretsbase 1,300 m · summit 3,000 m

90cm snow2mm rain

Modelled at the summit, 3,000 m · snow to the base

Freeze
line
m
Snow
/ rain
cm · mm
summit 3,000 mbase 1,300 m2,3521,7471,9802,1131,6241,6861,6091,4551,3001,30021332161622436151

Thu

Nov 12

Mixed

Fri

Nov 13

Snow

Sat

Nov 14

Dry

Sun

Nov 15

Snow

Mon

Nov 16

Snow

Tue

Nov 17

Snow

Wed

Nov 18

Snow

Thu

Nov 19

Snow

Fri

Nov 20

Snow

Sat

Nov 21

Snow

How the call moved+51cm
3990Nov 10Nov 10

snow Fri, Sun, Mon, Tue, Wed, Thu, Fri

La Plagnebase 1,250 m · summit 3,044 m

75cm snow19mm rain

Modelled at the summit, 3,044 m · snow above 2,229 m

Freeze
line
m
Snow
/ rain
cm · mm
summit 3,044 mbase 1,250 m2,5552,0192,1082,2291,7631,9331,7181,5921,2501,33521333111212133230131

Thu

Nov 12

Mixed

Fri

Nov 13

Mixed

Sat

Nov 14

Dry

Sun

Nov 15

Mixed

Mon

Nov 16

Snow

Tue

Nov 17

Mixed

Wed

Nov 18

Snow

Thu

Nov 19

Snow

Fri

Nov 20

Snow

Sat

Nov 21

Snow

How the call movedone reading
75Nov 10

snow Mon, Wed, Thu, Fri · rain low, snow high Fri, Sun, Tue (above about 2,229 m)

Verbierbase 1,500 m · summit 3,330 m

72cm snow

Modelled at the summit, 3,330 m · snow to the base

Freeze
line
m
Snow
/ rain
cm · mm
summit 3,330 mbase 1,500 m2,4151,8182,0122,0821,7501,7611,6661,5001,5001,5008351101820259

Thu

Nov 12

Mixed

Fri

Nov 13

Snow

Sat

Nov 14

Dry

Sun

Nov 15

Snow

Mon

Nov 16

Snow

Tue

Nov 17

Snow

Wed

Nov 18

Snow

Thu

Nov 19

Snow

Fri

Nov 20

Snow

Sat

Nov 21

Dry

How the call moved+40cm
3172Nov 10Nov 10

snow Fri, Sun, Mon, Tue, Wed, Thu, Fri

Les Arcsbase 1,200 m · summit 3,226 m

71cm snow10mm rain

Modelled at the summit, 3,226 m · snow above 2,010 m

Freeze
line
m
Snow
/ rain
cm · mm
summit 3,226 mbase 1,200 m2,5512,0102,0682,1721,7911,9291,7451,7671,2001,434411322121683128121

Thu

Nov 12

Mixed

Fri

Nov 13

Mixed

Sat

Nov 14

Dry

Sun

Nov 15

Snow

Mon

Nov 16

Snow

Tue

Nov 17

Mixed

Wed

Nov 18

Snow

Thu

Nov 19

Snow

Fri

Nov 20

Snow

Sat

Nov 21

Snow

How the call movedone reading
71Nov 10

snow Sun, Mon, Wed, Thu, Fri · rain low, snow high Fri, Tue (above about 2,010 m)

Crans-Montanabase 1,500 m · summit 2,874 m

71cm snow

Modelled at the summit, 2,874 m · snow to the base

Freeze
line
m
Snow
/ rain
cm · mm
summit 2,874 mbase 1,500 m2,3891,8441,8821,9581,7291,6621,6621,5921,5001,500462110142235143

Thu

Nov 12

Mixed

Fri

Nov 13

Snow

Sat

Nov 14

Dry

Sun

Nov 15

Snow

Mon

Nov 16

Snow

Tue

Nov 17

Snow

Wed

Nov 18

Snow

Thu

Nov 19

Snow

Fri

Nov 20

Snow

Sat

Nov 21

Snow

How the call moved+39cm
3271Nov 10Nov 10

snow Fri, Sun, Mon, Tue, Wed, Thu, Fri

Alpe d'Huezbase 1,860 m · summit 3,330 m

66cm snow

Modelled at the summit, 3,330 m · snow to the base

Freeze
line
m
Snow
/ rain
cm · mm
summit 3,330 mbase 1,860 m2,6342,1052,3242,4021,9422,0921,9341,8601,8601,86016946152823249

Thu

Nov 12

Mixed

Fri

Nov 13

Snow

Sat

Nov 14

Dry

Sun

Nov 15

Snow

Mon

Nov 16

Snow

Tue

Nov 17

Snow

Wed

Nov 18

Snow

Thu

Nov 19

Snow

Fri

Nov 20

Snow

Sat

Nov 21

Dry

How the call movedone reading
66Day 7

snow Fri, Sun, Mon, Tue, Wed, Thu, Fri

La Gravebase 1,470 m · summit 3,534 m

61cm snow5mm rain

Modelled at the summit, 3,534 m · snow to the base

Freeze
line
m
Snow
/ rain
cm · mm
summit 3,534 mbase 1,470 m2,5812,0821,9682,2341,9652,0481,8671,8521,4701,546184341522524245

Thu

Nov 12

Snow

Fri

Nov 13

Snow

Sat

Nov 14

Dry

Sun

Nov 15

Snow

Mon

Nov 16

Snow

Tue

Nov 17

Snow

Wed

Nov 18

Snow

Thu

Nov 19

Snow

Fri

Nov 20

Snow

Sat

Nov 21

Dry

How the call movedone reading
61Day 7

snow Fri, Sun, Mon, Tue, Wed, Thu, Fri

Les Deux Alpesbase 1,300 m · summit 3,408 m

55cm snow15mm rain

Modelled at the summit, 3,408 m · snow above 2,393 m

Freeze
line
m
Snow
/ rain
cm · mm
summit 3,408 mbase 1,300 m2,6491,9752,2032,3931,9491,9491,8471,7221,3001,381424214215181222237

Thu

Nov 12

Mixed

Fri

Nov 13

Mixed

Sat

Nov 14

Dry

Sun

Nov 15

Mixed

Mon

Nov 16

Snow

Tue

Nov 17

Mixed

Wed

Nov 18

Snow

Thu

Nov 19

Snow

Fri

Nov 20

Snow

Sat

Nov 21

Dry

How the call movedone reading
55Day 7

snow Mon, Wed, Thu, Fri · rain low, snow high Fri, Sun, Tue (above about 2,393 m)

Vossbase 284 m · summit 964 m

26cm snow20mm rain

Modelled at the summit, 964 m · snow above 662 m

Freeze
line
m
Snow
/ rain
cm · mm
summit 964 mbase 284 m284284511662360284284284284284181312662134

Thu

Nov 12

Snow

Fri

Nov 13

Dry

Sat

Nov 14

Mixed

Sun

Nov 15

Mixed

Mon

Nov 16

Snow

Tue

Nov 17

Snow

Wed

Nov 18

Dry

Thu

Nov 19

Snow

Fri

Nov 20

Snow

Sat

Nov 21

Snow

How the call moved-6cm
3226Day 7Day 8

snow Mon, Tue, Thu, Fri · rain low, snow high Sat, Sun (above about 662 m)

Narvikbase 136 m · summit 1,006 m

3cm snow

Modelled at the summit, 1,006 m · snow to the base

Freeze
line
m
Snow
/ rain
cm · mm
summit 1,006 mbase 136 m1361361361361361361361361361363111132

Thu

Nov 12

Dry

Fri

Nov 13

Dry

Sat

Nov 14

Dry

Sun

Nov 15

Snow

Mon

Nov 16

Snow

Tue

Nov 17

Snow

Wed

Nov 18

Snow

Thu

Nov 19

Snow

Fri

Nov 20

Snow

Sat

Nov 21

Snow

How the call movedone reading
3Nov 3

snow Sun, Mon, Tue, Wed, Thu, Fri

snowrain low, snow highraindryThe dots are the freeze line — the height where rain turns to snow. Solid: straight from the models. Hollow: estimated from temperature. Above the summit line it rains on the whole mountain; below the base line it snows all the way down. Blue bars are snow in cm, amber bars rain in mm; the totals above are their sums.

Rain / snow line

Base to summit for each mountain, with the snow line cut across them.

Snow line against every mountain in Mid-November North Atlantic System

Enlarge rain / snow line

The system

700mb flow — where the storm is, and what is steering it. Pins sized by forecast total.

700mb flow map for Mid-November North Atlantic System

72-hour snowfall forecast for the same window.

Loading forecast map…
alps 72h snowfall forecast — Snowsure

In the path

Forecast, not observation — none of this has fallen yet. Totals are across the window. We will post what fell when the window closes.

← All storm watches

Last updated 2026-11-10 18:30 UTC. SnowSure scans a blend of seven weather models twice daily and flags systems clearing 30cm over 72 hours, three to fourteen days out. This watch opened on 2026-11-10 with 43cm forecast at Courmayeur.