A live wet-bulb check. Can snowmakers run where you are, and when?

How this works
We pull NOAA's hourly forecast for your location and calculate the wet-bulb temperature for each hour. Snowmakers rely on wet-bulb because it accounts for both cold and dry air — the two conditions that let water droplets freeze in flight. Below 28°F−2°C they can run; below 25°F−4°C the snow is good quality.
NO

47°F8°C wet-bulb in Aspen Mountain, CO

49°F9°C air · 87% humidity

Too warm for snowmaking
Colder Snowmaking line 28°F−2°C Warmer

No snowmaking window in the next 48 hours.

Next 48 hours wet-bulb by hour; columns below the line are snowmaking hours
28°F−2°C 32°F0°C Now Fri Sat

Use the left and right arrow keys to step through hours.

  • Ideal
  • Great
  • Marginal
  • Too warm
  • Night
Hourly table
HourAirHumidityWet-bulbSnowmaking
Thu 6 PM49°F9°C87%46.5°F8.1°CToo warm
Thu 7 PM49°F9°C83%45.8°F7.7°CToo warm
Thu 8 PM49°F9°C82%45.7°F7.6°CToo warm
Thu 9 PM50°F10°C78%45.9°F7.7°CToo warm
Thu 10 PM49°F9°C80%45.3°F7.4°CToo warm
Thu 11 PM48°F9°C82%44.7°F7.1°CToo warm
Fri 12 AM48°F9°C81%44.5°F7.0°CToo warm
Fri 1 AM48°F9°C82%44.7°F7.1°CToo warm
Fri 2 AM47°F8°C82%43.7°F6.5°CToo warm
Fri 3 AM47°F8°C81%43.6°F6.4°CToo warm
Fri 4 AM45°F7°C85%42.3°F5.7°CToo warm
Fri 5 AM45°F7°C86%42.5°F5.8°CToo warm
Fri 6 AM45°F7°C85%42.3°F5.7°CToo warm
Fri 7 AM44°F7°C88%41.8°F5.5°CToo warm
Fri 8 AM44°F7°C86%41.5°F5.3°CToo warm
Fri 9 AM44°F7°C86%41.5°F5.3°CToo warm
Fri 10 AM50°F10°C65%43.7°F6.5°CToo warm
Fri 11 AM54°F12°C52%45.0°F7.2°CToo warm
Fri 12 PM57°F14°C44%46.0°F7.8°CToo warm
Fri 1 PM60°F16°C38%47.2°F8.5°CToo warm
Fri 2 PM61°F16°C34%47.1°F8.4°CToo warm
Fri 3 PM60°F16°C34%46.3°F8.0°CToo warm
Fri 4 PM59°F15°C36%46.0°F7.8°CToo warm
Fri 5 PM56°F13°C39%44.2°F6.8°CToo warm
Fri 6 PM50°F10°C50%41.2°F5.1°CToo warm
Fri 7 PM45°F7°C61%38.5°F3.6°CToo warm
Fri 8 PM43°F6°C66%37.4°F3.0°CToo warm
Fri 9 PM42°F6°C68%36.8°F2.7°CToo warm
Fri 10 PM41°F5°C70%36.2°F2.3°CToo warm
Fri 11 PM40°F4°C70%35.2°F1.8°CToo warm
Sat 12 AM39°F4°C73%34.7°F1.5°CToo warm
Sat 1 AM38°F3°C75%34.0°F1.1°CToo warm
Sat 2 AM38°F3°C76%34.2°F1.2°CToo warm
Sat 3 AM37°F3°C80%33.8°F1.0°CToo warm
Sat 4 AM36°F2°C82%33.1°F0.6°CToo warm
Sat 5 AM36°F2°C82%33.1°F0.6°CToo warm
Sat 6 AM35°F2°C84%32.4°F0.2°CToo warm
Sat 7 AM35°F2°C85%32.6°F0.3°CToo warm
Sat 8 AM37°F3°C81%33.9°F1.1°CToo warm
Sat 9 AM39°F4°C76%35.1°F1.7°CToo warm
Sat 10 AM45°F7°C63%38.8°F3.8°CToo warm
Sat 11 AM51°F11°C50%42.0°F5.6°CToo warm
Sat 12 PM56°F13°C42%44.8°F7.1°CToo warm
Sat 1 PM58°F14°C38%45.6°F7.6°CToo warm
Sat 2 PM59°F15°C38%46.4°F8.0°CToo warm
Sat 3 PM58°F14°C39%45.8°F7.7°CToo warm
Sat 4 PM56°F13°C42%44.8°F7.1°CToo warm
Sat 5 PM52°F11°C48%42.6°F5.9°CToo warm

Right now

Rain showers
49°F9°C feels like 45°F7°C
Wind
8 mph13 km/h, gusts 20 mph31 km/h
Humidity
87%
Precipitation
76% chance

Snow forecast new snow, NOAA forecast

Next 24 h
0″0 cm
Next 48 h
0″0 cm
Next 72 h
0″0 cm

No new snow in the forecast for the next 72 hours.

7-day outlook

  1. This Afternoon 49°F9°C 43°F6°C Showers And Thunderstorms Likely
  2. Fri 62°F17°C 35°F2°C Chance Showers And Thunderstorms
  3. Sat 60°F16°C 36°F2°C Partly Sunny then Showers And Thunderstorms Likely
  4. Sun 58°F14°C 33°F1°C Chance Rain And Snow Showers
  5. Mon 55°F13°C 31°F−1°C Chance Rain And Snow Showers
  6. Tue 58°F14°C 31°F−1°C Mostly Sunny
  7. Wed 58°F14°C 32°F0°C Mostly Sunny

Forecast for 6 PM · NOAA grid updated 4:12 PM · grid elevation 7,897 ft

Checked at the base area (7,945 ft); the summit (11,212 ft) is usually colder.

Click a pin or anywhere on the map to check it.