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

48°F9°C wet-bulb in Deer Valley, UT

52°F11°C air · 77% 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 31°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 PM52°F11°C77%47.6°F8.7°CToo warm
Thu 7 PM50°F10°C77%45.7°F7.6°CToo warm
Thu 8 PM48°F9°C76%43.7°F6.5°CToo warm
Thu 9 PM48°F9°C74%43.3°F6.3°CToo warm
Thu 10 PM47°F8°C76%42.7°F6.0°CToo warm
Thu 11 PM47°F8°C76%42.7°F6.0°CToo warm
Fri 12 AM46°F8°C79%42.3°F5.7°CToo warm
Fri 1 AM45°F7°C81%41.6°F5.4°CToo warm
Fri 2 AM44°F7°C83%41.0°F5.0°CToo warm
Fri 3 AM43°F6°C84%40.2°F4.5°CToo warm
Fri 4 AM41°F5°C85%38.4°F3.6°CToo warm
Fri 5 AM40°F4°C86%37.6°F3.1°CToo warm
Fri 6 AM39°F4°C86%36.6°F2.6°CToo warm
Fri 7 AM38°F3°C87%35.8°F2.1°CToo warm
Fri 8 AM38°F3°C86%35.6°F2.0°CToo warm
Fri 9 AM37°F3°C83%34.2°F1.2°CToo warm
Fri 10 AM38°F3°C86%35.6°F2.0°CToo warm
Fri 11 AM37°F3°C89%35.1°F1.7°CToo warm
Fri 12 PM39°F4°C85%36.5°F2.5°CToo warm
Fri 1 PM40°F4°C79%36.5°F2.5°CToo warm
Fri 2 PM41°F5°C74%36.7°F2.6°CToo warm
Fri 3 PM43°F6°C68%37.7°F3.2°CToo warm
Fri 4 PM42°F6°C64%36.2°F2.3°CToo warm
Fri 5 PM41°F5°C64%35.3°F1.8°CToo warm
Fri 6 PM41°F5°C66%35.6°F2.0°CToo warm
Fri 7 PM38°F3°C76%34.2°F1.2°CToo warm
Fri 8 PM37°F3°C78%33.5°F0.8°CToo warm
Fri 9 PM37°F3°C77%33.4°F0.8°CToo warm
Fri 10 PM36°F2°C80%32.8°F0.5°CToo warm
Fri 11 PM36°F2°C81%33.0°F0.5°CToo warm
Sat 12 AM36°F2°C84%33.4°F0.8°CToo warm
Sat 1 AM36°F2°C84%33.4°F0.8°CToo warm
Sat 2 AM36°F2°C84%33.4°F0.8°CToo warm
Sat 3 AM35°F2°C83%32.3°F0.2°CToo warm
Sat 4 AM35°F2°C84%32.4°F0.2°CToo warm
Sat 5 AM35°F2°C85%32.6°F0.3°CToo warm
Sat 6 AM35°F2°C85%32.6°F0.3°CToo warm
Sat 7 AM33°F1°C85%30.6°F−0.8°CToo warm
Sat 8 AM34°F1°C84%31.5°F−0.3°CToo warm
Sat 9 AM35°F2°C83%32.3°F0.2°CToo warm
Sat 10 AM37°F3°C82%34.1°F1.2°CToo warm
Sat 11 AM39°F4°C79%35.6°F2.0°CToo warm
Sat 12 PM41°F5°C76%37.0°F2.8°CToo warm
Sat 1 PM43°F6°C70%38.0°F3.3°CToo warm
Sat 2 PM45°F7°C63%38.8°F3.8°CToo warm
Sat 3 PM46°F8°C58%38.9°F3.9°CToo warm
Sat 4 PM45°F7°C58%38.1°F3.4°CToo warm
Sat 5 PM44°F7°C61%37.6°F3.1°CToo warm

Right now

Chance of thunderstorms and rain showers
52°F11°C
Wind
12 mph19 km/h, gusts 25 mph41 km/h
Humidity
77%
Precipitation
41% 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 37°F3°C Chance Showers And Thunderstorms then Slight Chance T-storms
  2. Fri 43°F6°C 33°F1°C Chance Showers And Thunderstorms
  3. Sat 46°F8°C 32°F0°C Partly Sunny
  4. Sun 47°F8°C 33°F1°C Slight Chance Rain And Snow
  5. Mon 51°F11°C 33°F1°C Mostly Sunny
  6. Tue 49°F9°C 32°F0°C Slight Chance Rain And Snow then Mostly Sunny
  7. Wed 50°F10°C 34°F1°C Mostly Sunny
  8. Thu 52°F11°C Mostly Sunny

Forecast for 6 PM · NOAA grid updated 12:31 PM · grid elevation 7,454 ft

Checked at the base area (6,570 ft); the summit (9,570 ft) is usually colder.

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