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.

Can they make snow at Park City Mountain?

NO

Too warm to make snow at Park City Mountain, UT

Base: 40°F4°C air · 78% 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 33°F0°C Now Mon Tue

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

  • Ideal
  • Great
  • Marginal
  • Too warm
  • Night
Hourly table
HourAirHumidityWet-bulbSnowmaking
Sun 10 AM40°F4°C78%36.4°F2.4°CToo warm
Sun 11 AM43°F6°C80%39.6°F4.2°CToo warm
Sun 12 PM43°F6°C82%39.9°F4.4°CToo warm
Sun 1 PM46°F8°C75%41.6°F5.3°CToo warm
Sun 2 PM46°F8°C74%41.5°F5.3°CToo warm
Sun 3 PM48°F9°C68%42.3°F5.7°CToo warm
Sun 4 PM48°F9°C70%42.7°F5.9°CToo warm
Sun 5 PM46°F8°C73%41.3°F5.2°CToo warm
Sun 6 PM44°F7°C79%40.4°F4.6°CToo warm
Sun 7 PM42°F6°C89%40.0°F4.5°CToo warm
Sun 8 PM40°F4°C87%37.7°F3.2°CToo warm
Sun 9 PM39°F4°C86%36.6°F2.6°CToo warm
Sun 10 PM38°F3°C87%35.8°F2.1°CToo warm
Sun 11 PM38°F3°C87%35.8°F2.1°CToo warm
Mon 12 AM37°F3°C88%35.0°F1.6°CToo warm
Mon 1 AM37°F3°C89%35.1°F1.7°CToo warm
Mon 2 AM37°F3°C87%34.8°F1.6°CToo warm
Mon 3 AM36°F2°C87%33.8°F1.0°CToo warm
Mon 4 AM36°F2°C87%33.8°F1.0°CToo warm
Mon 5 AM36°F2°C85%33.5°F0.9°CToo warm
Mon 6 AM36°F2°C85%33.5°F0.9°CToo warm
Mon 7 AM36°F2°C85%33.5°F0.9°CToo warm
Mon 8 AM35°F2°C85%32.6°F0.3°CToo warm
Mon 9 AM37°F3°C79%33.6°F0.9°CToo warm
Mon 10 AM42°F6°C74%37.7°F3.2°CToo warm
Mon 11 AM46°F8°C70%40.8°F4.9°CToo warm
Mon 12 PM49°F9°C64%42.6°F5.9°CToo warm
Mon 1 PM52°F11°C52%43.2°F6.2°CToo warm
Mon 2 PM53°F12°C46%43.1°F6.1°CToo warm
Mon 3 PM55°F13°C40%43.6°F6.4°CToo warm
Mon 4 PM54°F12°C40%42.8°F6.0°CToo warm
Mon 5 PM53°F12°C42%42.3°F5.7°CToo warm
Mon 6 PM49°F9°C49%40.2°F4.5°CToo warm
Mon 7 PM44°F7°C63%37.9°F3.3°CToo warm
Mon 8 PM42°F6°C67%36.6°F2.6°CToo warm
Mon 9 PM42°F6°C65%36.4°F2.4°CToo warm
Mon 10 PM41°F5°C68%35.9°F2.1°CToo warm
Mon 11 PM41°F5°C72%36.4°F2.5°CToo warm
Tue 12 AM40°F4°C75%35.9°F2.2°CToo warm
Tue 1 AM40°F4°C78%36.4°F2.4°CToo warm
Tue 2 AM39°F4°C80%35.7°F2.1°CToo warm
Tue 3 AM39°F4°C81%35.9°F2.1°CToo warm
Tue 4 AM38°F3°C82%35.0°F1.7°CToo warm
Tue 5 AM37°F3°C83%34.2°F1.2°CToo warm
Tue 6 AM37°F3°C83%34.2°F1.2°CToo warm
Tue 7 AM36°F2°C82%33.1°F0.6°CToo warm
Tue 8 AM36°F2°C80%32.8°F0.5°CToo warm
Tue 9 AM36°F2°C78%32.6°F0.3°CToo warm

Right now at the base

Slight chance of light rain
40°F4°C
Wind
0 mph0 km/h
Humidity
78%
Precipitation
23% chance

Snow forecast new snow at the base, 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. Today 48°F9°C 34°F1°C Chance Light Rain then Chance Showers And Thunderstorms
  2. Mon 55°F13°C 36°F2°C Mostly Sunny
  3. Tue 49°F9°C 34°F1°C Mostly Sunny
  4. Wed 54°F12°C 37°F3°C Mostly Sunny
  5. Thu 54°F12°C 38°F3°C Partly Sunny
  6. Fri 50°F10°C 37°F3°C Rain And Snow Likely
  7. Sat 46°F8°C 33°F1°C Rain And Snow

Forecast for 10 AM · NOAA grid updated 12:31 AM

About this forecast

Park City Mountain is a ski resort in Utah with a base at 6,800 ft and a summit at 10,026 ft, 3,226 ft of vertical. This page checks NOAA's hourly forecast at the base and the summit every time you load it and works out the wet-bulb temperature, which is what decides whether snow guns can run. Snowmakers can start below 28°F−2°C wet-bulb, and make good snow below 25°F−4°C.

Other ski resorts in Utah

All ski resorts by state →

Base: NOAA's forecast for the base area (forecast grid elevation 6,919 ft). Summit: NOAA's forecast for the top of the mountain (forecast grid elevation 9,406 ft).

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