Keystone Snow Report and Forecast
Snow Forecast for Keystone
When will there be fresh snow?
This is the Snow Forecast for Keystone, United States for 16 days from 18 May.
Updated 18 May 2025 05:34 PDT.
| Next Snow Expected | 19 May |
|---|---|
| Next Snow Amount | 2in |
| Next 48 Hours | 3in |
| Next 7 Days | 3in |
| Free Snow Reports by e-Mail | Sign Up for Powder Alerts |
For Forecast detail, see below.
For current snow depths and skiing conditions, see our Current Snow Report for Keystone.
Forecast for today in Keystone
Max 56°F
Min 38°F
Valley temperatures from an overnight low of 38°F to daytime highs around 56°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Sun
18
Snow unlikely
Cloudy.
Keystone has 3in new snow forecast in the next 48 hours.
Keystone Snow Report
Snow report from Arapahoe Basin (4 miles from Keystone)
| Snow Conditions | - |
|---|
Keystone 7-Day Snow Forecast Overview
Get this snow forecast by e-mail Join J2Ski's Snow Mail Here
NEW FOR 24/25 - Improved Forecasts for Keystone - high-resolution weather models, updated more often - Subscribe
| Sun 18 | Mon 19 | Tue 20 | Wed 21 | Thu 22 | Fri 23 | Sat 24 | |
|---|---|---|---|---|---|---|---|
| Wind | SW F3 | NW F3 | NW F3 | SW F2 | SW F2 | SW F3 | |
| 12,205ft | 42°F
| 29°F
 +2in
| 38°F
 +1in
| 45°F
 | 51°F
 | 54°F
| 55°F
|
| SW F3 | NW F2 | NW F2 | SW F2 | SW F3 | SW F3 | ||
| 10,761ft | 49°F
| 36°F
+2in
| 44°F
+1in
| 51°F
| 57°F
| 60°F
| 61°F
|
| S F3 | NW F2 | NW F2 | SW F2 | SW F3 | SW F3 | SW F3 | |
| 9,318ft | 56°F
| 43°F
+2in
| 49°F
| 57°F
| 64°F
| 66°F
| 65°F
|
| Snow Line | varying 10,758ft | varying 10,659ft | |||||
| Max Town | 56°F | 43°F | 49°F | 57°F | 64°F | 66°F | 65°F |
| Min Town | 38°F | 22°F | 28°F | 29°F | 35°F | 38°F | 39°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.
Keystone Medium-Range (7-Day) Snow Forecast Detail
Note :- Mountain weather is extremely dynamic; the forecast below will change. Any forecast snow may move forward or back in the forecast, and predicted snowfall depths will be revised in subsequent updates.
Max 56°F
Min 38°F
Valley temperatures from an overnight low of 38°F to daytime highs around 56°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Sun
18
Snow unlikely
Cloudy.
Max 43°F
Min 22°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 22°F and rising to 43°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Mon
19
2in New Snow
Heavy snow showers, cloudy, clear spells later.
Snow Line from 10,758ft to resort level.
Max 49°F
Min 28°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 28°F and rising to 49°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Tue
20
up to 1in New Snow
Light snow showers first, light snow then cloudy, clear sky later.
Snow Line from 10,659ft to resort level.
Max 57°F
Min 29°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 29°F and rising to 57°F
Temperature at BaseTemp at Base
Wed
21
Snow unlikely
Clear sky.
Max 64°F
Min 35°F
Valley temperatures from an overnight low of 35°F to daytime highs around 64°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Thu
22
Snow unlikely
Cloudy early, then fair later.
Max 66°F
Min 38°F
Valley temperatures from an overnight low of 38°F to daytime highs around 66°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Fri
23
Snow unlikely
Clear sky early, then cloudy later.
Max 65°F
Min 39°F
Valley temperatures from an overnight low of 39°F to daytime highs around 65°F
Temperature at BaseTemp at Base
Sat
24
Snow unlikely
Cloudy early, then clear sky later.
This Snow Forecast for Keystone, United States gives the predicted Snowfall and Freezing Levels for the next week.
The forecast snowfall depths given are the likely average accumulations for the Lower and Upper slopes. The actual snow depth in Keystone, on any given trail or itinerary, may be dramatically different, particularly if the snowfall is accompanied by high winds and/or varying air temperatures.
Snow Forecasts beyond two days ahead are subject to significant change and variable reliability.
Keystone Snow Forecast updated at 05:34 PDT, next update expected 08:00 PDT.
Snow Forecast near Keystone
| Snow Report and Forecast | 48 Hr | Sun | Mon | Tue | Wed | Thu | Fri | Sat | 7 Day |
|---|---|---|---|---|---|---|---|---|---|
| Vail | 4in | 4in | |||||||
| Arapahoe Basin | 3in | 3in | |||||||
| Copper Mountain | 3in | 3in | |||||||
| Breckenridge | 3in | 3in | |||||||
| Loveland Ski Area | 2in | 2in | |||||||
| Winter Park | 2in | 2in |
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.