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Arapahoe Basin Snow Forecast - 21st August 2026

Arapahoe Basin Snow Report and Forecast

ECMWF IFS
GEM
GFS

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Updated 21 August 2026 11:14 IST

Snow Forecast for Arapahoe Basin

Snow and Weather from 21 August.

For Forecast detail, see below.

Arapahoe Basin Snow Forecast Highlights

When will there be fresh snow in Arapahoe Basin?

Arapahoe Basin Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (3,635m)
Next Snow?
There is no snow currently in the forecast for Arapahoe Basin.

Forecast for today in Arapahoe Basin

Max 23℃
Min 10℃

Valley temperatures from an overnight low of 10℃ to daytime highs around 23℃

Temperature at BaseTemp at Base

Fri
21

Snow unlikely

ClearClearClearClear

Clear sky.

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

Arapahoe Basin 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Arapahoe Basin from OpenMeteo(GFS)
Fri
21
Sat
22
Sun
23
Mon
24
Tue
25
Wed
26
Thu
27
WindSW F3SW F2NW F2SW F2
3,980m
17℃
Clear
15℃
Cloud
16℃
Cloud
16℃
Cloud
16℃
Cloud
15℃
Lt Drizzle
17℃
Cloud
SW F3S F2NW F2SW F2
3,635m
20℃
Clear
17℃
Cloud
18℃
Cloud
18℃
Cloud
18℃
Cloud
17℃
Lt Drizzle
19℃
Cloud
SE F2S F2NW F2SW F2
3,290m
23℃
Clear
19℃
Cloud
21℃
Cloud
20℃
Cloud
20℃
Cloud
19℃
Lt Drizzle
22℃
Cloud
Snow Line
Max Town23℃19℃21℃20℃20℃19℃22℃
Min Town10℃8℃7℃8℃8℃7℃8℃

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.

Snow Reliability

Arapahoe Basin is renowned for its snow reliability, typically receiving an average of 350 inches of snowfall annually. The snow depth can vary greatly, so for the latest snow conditions, check J2Ski for up-to-date information.

Understanding and predicting Snow Conditions in Arapahoe Basin

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