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 5 May.
Updated 04 May 2025 21:37 PDT.
| Next Snow Expected | 5 May |
|---|---|
| Next Snow Amount | 1in |
| Next 48 Hours | 3in |
| Next 7 Days | 6in |
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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 49°F
Min 34°F
Valley temperatures from an overnight low of 34°F to daytime highs around 49°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Mon
05
up to 1in New Snow
Cloudy early, then light drizzle later.
Snow Line from 10,528ft to 10,266ft, with rain below.
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
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| Mon 05 | Tue 06 | Wed 07 | Thu 08 | Fri 09 | Sat 10 | Sun 11 | |
|---|---|---|---|---|---|---|---|
| Wind | SE F4 | SE F3 | |||||
| 12,205ft | 36°F
 +1in
| 29°F
 | 30°F
+3in
| 32°F
+2in
| 36°F
 | 40°F
| 48°F
|
| SE F3 | SE F3 | ||||||
| 10,761ft | 42°F
+1in
| 37°F
| 36°F
 +4in
| 38°F
+2in
| 45°F
| 47°F
| 55°F
|
| SE F3 | SE F2 | S F2 | |||||
| 9,318ft | 49°F
| 45°F
| 48°F
| 46°F
| 56°F
| 59°F
| 63°F
|
| Snow Line | varying 10,528ft | varying 9,970ft | varying 11,578ft | varying 11,578ft | |||
| Max Town | 49°F | 45°F | 48°F | 46°F | 56°F | 59°F | 63°F |
| Min Town | 34°F | 32°F | 25°F | 31°F | 31°F | 33°F | 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.
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 49°F
Min 34°F
Valley temperatures from an overnight low of 34°F to daytime highs around 49°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Mon
05
up to 1in New Snow
Cloudy early, then light drizzle later.
Snow Line from 10,528ft to 10,266ft, with rain below.
Max 45°F
Min 32°F
Valley temperatures from an overnight low of 32°F to daytime highs around 45°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Tue
06
Snow unlikely
Cloudy.
Max 48°F
Min 25°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 25°F and rising to 48°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Wed
07
up to 3in New Snow
Cloudy early, then clear spells later.
Snow Line from 9,970ft to 9,413ft, with rain below.
Max 46°F
Min 31°F
Valley temperatures from an overnight low of 31°F to daytime highs around 46°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Thu
08
up to 2in New Snow
Fog, cloudy, clear spells later.
Snow Line from 11,578ft to resort level.
Max 56°F
Min 31°F
Valley temperatures from an overnight low of 31°F to daytime highs around 56°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Fri
09
Snow unlikely
Rain showers first, cloudy then rain showers, light drizzle later.
Max 59°F
Min 33°F
Valley temperatures from an overnight low of 33°F to daytime highs around 59°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Sat
10
Snow unlikely
Light drizzle first, fair then clear sky, cloudy later.
Max 63°F
Min 35°F
Valley temperatures from an overnight low of 35°F to daytime highs around 63°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Sun
11
Snow unlikely
Clear sky.
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 21:37 PDT, next update expected imminently.
Snow Forecast near Keystone
| Snow Report and Forecast | 48 Hr | Mon | Tue | Wed | Thu | Fri | Sat | Sun | 7 Day |
|---|---|---|---|---|---|---|---|---|---|
| Loveland Ski Area | 6in | 9in | |||||||
| Winter Park | 6in | 9in | |||||||
| Arapahoe Basin | 6in | 7in | |||||||
| Breckenridge | 3in | 4in | |||||||
| Copper Mountain | 1in | 2in | |||||||
| Vail | - | - |
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.