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Grand Targhee Snow Forecast - 15th May 2026

Grand Targhee Snow Report and Forecast

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GFS

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Updated 15 May 2026 11:45 UTC

Snow Forecast for Grand Targhee

Snow and Weather from 15 May.

For Forecast detail, see below.

Grand Targhee Snow Forecast Highlights

When will there be fresh snow in Grand Targhee?

Grand Targhee Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (2,775m)
Next Snow?
There is no snow currently in the forecast for Grand Targhee.

Forecast for today in Grand Targhee

Max 11℃ 52°F
Min 2℃ 35°F

Valley temperatures from an overnight low of 2℃ 35°F to daytime highs around 11℃ 52°F
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

Fri
15

Snow unlikely

ClearClearClearClear

Clear sky.

Forecast times for Grand Targhee are in Denver (US/Mountain) time zone.

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Grand Targhee 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Grand Targhee from OpenMeteo(GFS)
Fri
15
Sat
16
Sun
17
Mon
18
Tue
19
Wed
20
Thu
21
WindSW F3SW F3SW F2S F3S F3S F3
3,110m 10,203ft
7℃ 44°F
Clear
6℃ 43°F
Cloud
0℃ 32°F
Cloud
2℃ 35°F
Cloud
2℃ 36°F
Cloud
+1cm
7℃ 45°F
Cloud
12℃ 53°F
Fair
SW F3SW F3SW F2S F3S F3S F3
2,775m 9,104ft
9℃ 48°F
Clear
8℃ 47°F
Cloud
2℃ 36°F
Cloud
4℃ 39°F
Cloud
4℃ 39°F
Cloud
9℃ 48°F
Cloud
14℃ 57°F
Fair
SW F3SW F3SW F2S F3S F3S F3
2,440m 8,005ft
11℃ 52°F
Clear
11℃ 51°F
Cloud
5℃ 40°F
Cloud
6℃ 43°F
Cloud
6℃ 43°F
Cloud
11℃ 52°F
Cloud
16℃ 61°F
Fair
Snow Line

2,440m 8,005ft

2,440m 8,005ft

varying 2,559m 8,396ft
to 2,440m 8,005ft

2,440m 8,005ft

Max Town 11℃ 52°F 11℃ 51°F 5℃ 40°F 6℃ 43°F 6℃ 43°F 11℃ 52°F 16℃ 61°F
Min Town 2℃ 35°F -1℃ 31°F -6℃ 20°F -5℃ 24°F -4℃ 25°F -2℃ 27°F 2℃ 35°F

This table shows the average forecast snowfall, the maximum temperature, and expected general weather at resort, lower and upper mountain levels. For daily forecast details, see below.

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Snow Reliability

Grand Targhee is known for its exceptional snow reliability, averaging 500 inches of snowfall annually. With consistent snow depth and minimal melt, be sure to check J2Ski for the latest snow conditions before your visit.

Understanding and predicting Snow Conditions in Grand Targhee

Here are our tips for making the most of a trip to Grand Targhee, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Grand Targhee, but like any mountain, snow conditions change throughout the season, from day to day, and even from hour to hour.

Whether you’re sticking to the marked pistes or venturing off-piste, here’s what you need to know:

Pistes (Groomers) or Off-Piste

These can be a world apart, regarding snow conditions, even ignoring the difference between the natural terrain features to be found off-piste and the generally controlled surfaces and slopes of a pisted (groomed) run.

  • Piste Conditions can range from fresh powder to firm, icy surfaces, particularly after warm spells or a busy day on the mountain with the passage of many skiers.
  • Off-Piste Conditions are far more variable. Wind and sun can quickly transform fresh snow into wind crust or slushy layers, whilst cold weather can preserve stashes of powder many days after a snowfall.

WARNING - skiing off-piste (out-of-bounds) at Grand Targhee is not always controlled (slopes made safe from avalanche risk) or patrolled. Always check local advice, ski with safety kit (and know how to use it), and never ski alone.

Analyzing Weather and Snowfall Forecasts

Whilst no forecast can tell you exactly how snow conditions in Grand Targhee will develop, checking the forecast regularly should give you an idea of what to expect.

New snowfall can bring fresh powder and refresh the surfaces of pisted runs. Powder can be tracked out quickly at busy times, but in less crowded and shaded areas, fresh snow can linger for days.

Changes in weather conditions, such as milder temperatures, rain or wind, can degrade snow quality. Conversely, cold, stable weather can preserve conditions for extended periods.

Predicting Future Snow Quality

Regularly check our snow and weather forecasts for Grand Targhee for changes that may affect snow quality. Forecast snowfall depth and recent snowfall are good indicators of what to expect.

Use historical data and recent snow reports to understand past snow conditions and anticipate future changes.