New Lift At Colorado’s Purgatory Adds More Steep Terrain
Purgatory Resort will open roughly 40 acres of new advanced and expert terrain for the 2026–27 winter, marking one of the largest steep‑terrain expansions in its recent history.
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Deer Mountain at 1929 m altitude
Issued by Snow-Forecast.com at: 5 pm (local time) / 29 Sep 2026
Next 3 days weather summary:Mostly dry. Very mild (max 17°C on Wed morning, min 4°C on Thu night). Wind will be generally light. | Days 4-6 weather summary:Mostly dry. Warm (max 20°C on Mon morning, min 6°C on Sat night). Wind will be generally light. | ||||||||||||||||
Tue 29 | Wednesday 30 | Thursday 1 | Friday 2 | Saturday 3 | Sunday 4 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  | | | | | | | | | | | | |
clear | clear | clear | some clouds | some clouds | cloudy | cloudy | some clouds | clear | clear | clear | some clouds | clear | clear | some clouds | some clouds | clear | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 16 | 13 | 17 | 17 | 12 | 9 | 11 | 6 | 15 | 16 | 11 | 11 | 11 | 7 | 13 | 13 | 11 |
min °C | 15 | 12 | 14 | 15 | 8 | 7 | 9 | 4 | 10 | 14 | 8 | 9 | 9 | 6 | 9 | 12 | 8 |
chill °C | 15 | 11 | 14 | 15 | 8 | 6 | 8 | 2 | 9 | 14 | 6 | 7 | 8 | 5 | 7 | 11 | 7 |
Humid % | 33 | 46 | 41 | 39 | 72 | 78 | 65 | 70 | 66 | 45 | 62 | 69 | 52 | 64 | 57 | 60 | 73 |
Freeze m | 4000 | 4200 | 4050 | 4200 | 3800 | 3350 | 3300 | 3750 | 3950 | 4000 | 4000 | 3600 | 3550 | 3400 | 3750 | 3550 | 4050 |
 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:56 | — | — |
 | 6:39 | — | — | 6:37 | — | — | 6:36 | — | — | 6:34 | — | — | 6:32 | — | — | 6:30 | — |
Days 7-16 weather summary:
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Avalanche information: National Avalanche Center
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Snow Radar
Latest snow reports near Deer Mountain:
Deer Mountain Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 22 May 2026 |
| Snow Alerts | Create Alert |
Other resorts in USA - South Dakota are reporting: powder (0) / good piste (0)
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Snow History
Week 4 of September has on average:
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.0 | Powder days Fresh snow, limited sun, any wind. |
0.0 | Bluebird days Average snow, mostly sunny, light wind. |
Deer Mountain Forecast Snowfall
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Other resorts in USA - South Dakota are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Deer Mountain at the specific elevation of 1929 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Deer Mountain. To access the weather forecasts for the other elevations, use the tab navigation above the table. For a wider view of the weather, check out the Weather Map of United States.
Click here to read further information on freezing levels and how we forecast our temperatures.
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