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

42°F6°C wet-bulb in Crested Butte, CO

43°F6°C air · 96% 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 30°F−1°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 PM43°F6°C96%42.2°F5.6°CToo warm
Thu 7 PM43°F6°C94%41.8°F5.5°CToo warm
Thu 8 PM43°F6°C96%42.2°F5.6°CToo warm
Thu 9 PM42°F6°C97%41.3°F5.2°CToo warm
Thu 10 PM42°F6°C97%41.3°F5.2°CToo warm
Thu 11 PM41°F5°C99%40.7°F4.8°CToo warm
Fri 12 AM41°F5°C100%40.8°F4.9°CToo warm
Fri 1 AM40°F4°C100%39.8°F4.3°CToo warm
Fri 2 AM40°F4°C100%39.8°F4.3°CToo warm
Fri 3 AM39°F4°C100%38.8°F3.8°CToo warm
Fri 4 AM38°F3°C100%37.8°F3.2°CToo warm
Fri 5 AM38°F3°C100%37.8°F3.2°CToo warm
Fri 6 AM37°F3°C100%36.8°F2.7°CToo warm
Fri 7 AM36°F2°C100%35.8°F2.1°CToo warm
Fri 8 AM36°F2°C100%35.8°F2.1°CToo warm
Fri 9 AM37°F3°C100%36.8°F2.7°CToo warm
Fri 10 AM40°F4°C94%38.8°F3.8°CToo warm
Fri 11 AM42°F6°C83%39.1°F3.9°CToo warm
Fri 12 PM45°F7°C73%40.3°F4.6°CToo warm
Fri 1 PM46°F8°C66%40.2°F4.5°CToo warm
Fri 2 PM47°F8°C60%40.1°F4.5°CToo warm
Fri 3 PM48°F9°C56%40.4°F4.7°CToo warm
Fri 4 PM48°F9°C58%40.7°F4.8°CToo warm
Fri 5 PM46°F8°C59%39.1°F3.9°CToo warm
Fri 6 PM43°F6°C66%37.4°F3.0°CToo warm
Fri 7 PM38°F3°C78%34.5°F1.4°CToo warm
Fri 8 PM36°F2°C82%33.1°F0.6°CToo warm
Fri 9 PM36°F2°C82%33.1°F0.6°CToo warm
Fri 10 PM36°F2°C82%33.1°F0.6°CToo warm
Fri 11 PM35°F2°C83%32.3°F0.2°CToo warm
Sat 12 AM34°F1°C85%31.6°F−0.2°CToo warm
Sat 1 AM34°F1°C87%31.9°F−0.1°CToo warm
Sat 2 AM34°F1°C84%31.5°F−0.3°CToo warm
Sat 3 AM33°F1°C86%30.8°F−0.7°CToo warm
Sat 4 AM33°F1°C87%30.9°F−0.6°CToo warm
Sat 5 AM33°F1°C89%31.2°F−0.5°CToo warm
Sat 6 AM32°F0°C92%30.6°F−0.8°CToo warm
Sat 7 AM32°F0°C91%30.5°F−0.9°CToo warm
Sat 8 AM34°F1°C92%32.6°F0.3°CToo warm
Sat 9 AM35°F2°C94%33.9°F1.0°CToo warm
Sat 10 AM39°F4°C84%36.3°F2.4°CToo warm
Sat 11 AM43°F6°C74%38.6°F3.7°CToo warm
Sat 12 PM46°F8°C67%40.3°F4.6°CToo warm
Sat 1 PM47°F8°C65%40.9°F5.0°CToo warm
Sat 2 PM47°F8°C65%40.9°F5.0°CToo warm
Sat 3 PM45°F7°C68%39.6°F4.2°CToo warm
Sat 4 PM44°F7°C72%39.3°F4.0°CToo warm
Sat 5 PM42°F6°C78%38.3°F3.5°CToo warm

Right now

Rain showers
43°F6°C feels like 38°F3°C
Wind
9 mph15 km/h, gusts 17 mph28 km/h
Humidity
96%
Precipitation
88% 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. Tonight 36°F2°C Showers And Thunderstorms
  2. Fri 49°F9°C 31°F−1°C Chance Showers And Thunderstorms
  3. Sat 47°F8°C 31°F−1°C Slight Chance Rain And Snow Showers then Slight Chance T-storms
  4. Sun 45°F7°C 27°F−3°C Slight Chance T-storms
  5. Mon 44°F7°C 25°F−4°C Chance Snow Showers
  6. Tue 47°F8°C 26°F−3°C Mostly Sunny
  7. Wed 46°F8°C 26°F−3°C Mostly Sunny
  8. Thu 47°F8°C Partly Sunny

Forecast for 6 PM · NOAA grid updated 4:12 PM · grid elevation 9,390 ft

Checked at the base area (9,375 ft); the summit (12,162 ft) is usually colder.

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