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Keystone Snow Forecast - 19th May 2026

Keystone Snow Report and Forecast

ECMWF IFS
GEM
GFS

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Updated 19 May 2026 11:44 UTC

Snow Forecast for Keystone

Snow and Weather from 19 May.

For Forecast detail, see below.

Keystone Snow Forecast Highlights

When will there be fresh snow in Keystone?

Keystone Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (3,280m)
Next Snow Expected21 May
Next Snow Amount 2cm 1in
Next 48 Hours 2cm 1in
Next 7 Days 3cm 1in

Forecast for today in Keystone

Max 8℃ 47°F
Min -4℃ 25°F

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -4℃ 25°F and rising to 8℃ 47°F

Temperature at BaseTemp at Base

Tue
19

Snow unlikely

CloudClearCloudCloud

Cloudy, clear sky, cloudy later.

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

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Keystone 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Keystone from OpenMeteo(GFS)
Tue
19
Wed
20
Thu
21
Fri
22
Sat
23
Sun
24
Mon
25
WindSW F3SW F4SW F2SW F2
3,720m 12,205ft
0℃ 32°F
Cloud
5℃ 42°F
Cloud
5℃ 40°F
Snow
+2cm +1in
4℃ 40°F
Clear
+1cm
8℃ 46°F
Clear
+1cm
12℃ 53°F
Clear
14℃ 58°F
Cloud
SW F2SW F3SW F2SW F2
3,280m 10,761ft
4℃ 40°F
Cloud
8℃ 47°F
Cloud
8℃ 45°F
Lt Snow Shwrs
+2cm +1in
7℃ 45°F
Clear
11℃ 51°F
Clear
+1cm
15℃ 58°F
Clear
17℃ 63°F
Cloud
SW F2W F3SW F2SW F2
2,840m 9,318ft
8℃ 47°F
Cloud
12℃ 54°F
Cloud
10℃ 51°F
Lt Snow Shwrs
10℃ 50°F
Clear
14℃ 56°F
Clear
17℃ 63°F
Clear
20℃ 68°F
Cloud
Snow Line

2,939m 9,642ft

varying 3,679m 12,070ft
to 2,840m 9,318ft

2,840m 9,318ft

2,840m 9,318ft

Max Town 8℃ 47°F 12℃ 54°F 10℃ 51°F 10℃ 50°F 14℃ 56°F 17℃ 63°F 20℃ 68°F
Min Town -4℃ 25°F 0℃ 33°F -3℃ 27°F -1℃ 30°F -2℃ 29°F 2℃ 36°F 4℃ 40°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.

United States Hotels Map

 

Snow Forecast near Keystone

Snow Forecasts for Ski Resorts near Keystone
Ski Area 48 Hr 7 DayTuWeThFrSaSuMo
Loveland Ski Area 4cm 2in 5cm 2in
Copper Mountain 2cm 1in 4cm 1in
Arapahoe Basin 2cm 1in 3cm 1in
Vail 1cm - 3cm 1in
Winter Park 1cm - 3cm 1in
Breckenridge 1cm 1in 2cm 1in

Snow Reliability

Keystone typically enjoys a robust snowpack, with average snow depths reaching up to 80 inches during peak season. Regular snowfall ensures good conditions, but always check J2Ski for the latest snow updates.

Understanding and predicting Snow Conditions in Keystone

Here are our tips for making the most of a trip to Keystone, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Keystone, 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 Keystone 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 Keystone 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 Keystone 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.