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

39°F4°C wet-bulb in Wolf Creek, CO

41°F5°C air · 89% 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 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 PM41°F5°C89%39.0°F3.9°CToo warm
Thu 7 PM42°F6°C93%40.7°F4.8°CToo warm
Thu 8 PM42°F6°C89%40.0°F4.5°CToo warm
Thu 9 PM41°F5°C89%39.0°F3.9°CToo warm
Thu 10 PM41°F5°C86%38.6°F3.6°CToo warm
Thu 11 PM40°F4°C92%38.5°F3.6°CToo warm
Fri 12 AM39°F4°C96%38.2°F3.4°CToo warm
Fri 1 AM39°F4°C96%38.2°F3.4°CToo warm
Fri 2 AM40°F4°C92%38.5°F3.6°CToo warm
Fri 3 AM40°F4°C92%38.5°F3.6°CToo warm
Fri 4 AM42°F6°C86%39.5°F4.2°CToo warm
Fri 5 AM44°F7°C79%40.4°F4.6°CToo warm
Fri 6 AM46°F8°C73%41.3°F5.2°CToo warm
Fri 7 AM41°F5°C86%38.6°F3.6°CToo warm
Fri 8 AM37°F3°C96%36.2°F2.3°CToo warm
Fri 9 AM37°F3°C92%35.6°F2.0°CToo warm
Fri 10 AM38°F3°C92%36.5°F2.5°CToo warm
Fri 11 AM38°F3°C92%36.5°F2.5°CToo warm
Fri 12 PM38°F3°C89%36.1°F2.3°CToo warm
Fri 1 PM39°F4°C82%36.0°F2.2°CToo warm
Fri 2 PM39°F4°C82%36.0°F2.2°CToo warm
Fri 3 PM39°F4°C79%35.6°F2.0°CToo warm
Fri 4 PM40°F4°C76%36.1°F2.3°CToo warm
Fri 5 PM39°F4°C76%35.1°F1.7°CToo warm
Fri 6 PM38°F3°C79%34.6°F1.4°CToo warm
Fri 7 PM36°F2°C85%33.5°F0.9°CToo warm
Fri 8 PM36°F2°C85%33.5°F0.9°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 PM36°F2°C82%33.1°F0.6°CToo warm
Sat 12 AM36°F2°C82%33.1°F0.6°CToo warm
Sat 1 AM36°F2°C82%33.1°F0.6°CToo warm
Sat 2 AM37°F3°C82%34.1°F1.2°CToo warm
Sat 3 AM37°F3°C82%34.1°F1.2°CToo warm
Sat 4 AM36°F2°C85%33.5°F0.9°CToo warm
Sat 5 AM36°F2°C85%33.5°F0.9°CToo warm
Sat 6 AM36°F2°C85%33.5°F0.9°CToo warm
Sat 7 AM35°F2°C85%32.6°F0.3°CToo warm
Sat 8 AM35°F2°C85%32.6°F0.3°CToo warm
Sat 9 AM36°F2°C85%33.5°F0.9°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 PM40°F4°C76%36.1°F2.3°CToo warm
Sat 1 PM41°F5°C73%36.6°F2.5°CToo warm
Sat 2 PM41°F5°C73%36.6°F2.5°CToo warm
Sat 3 PM41°F5°C73%36.6°F2.5°CToo warm
Sat 4 PM40°F4°C76%36.1°F2.3°CToo warm
Sat 5 PM38°F3°C79%34.6°F1.4°CToo warm

Right now

Rain showers
41°F5°C feels like 34°F1°C
Wind
13 mph20 km/h, gusts 20 mph31 km/h
Humidity
89%
Precipitation
100% chance

Snow forecast new snow, NOAA forecast

Next 24 h
0″0 cm
Next 48 h
0″0 cm
Next 72 h
1″3 cm
0.6″1.5 cm Now Fri Sat Sun

Use the left and right arrow keys to step through 6-hour periods.

Snowfall table
PeriodNew snow
Thu 6 PM – 12 AM0″0 cm
Fri 12 AM – 6 AM0″0 cm
Fri 6 AM – 12 PM0″0 cm
Fri 12 PM – 6 PM0″0 cm
Fri 6 PM – 12 AM0″0 cm
Sat 12 AM – 6 AM0″0 cm
Sat 6 AM – 12 PM0″0 cm
Sat 12 PM – 6 PM0″0 cm
Sat 6 PM – 12 AM0″0 cm
Sun 12 AM – 6 AM0.6″1.5 cm
Sun 6 AM – 12 PM0.5″1.3 cm
Sun 12 PM – 6 PM0.1″0.3 cm

7-day outlook

  1. Tonight 37°F3°C Chance T-storms
  2. Fri 40°F4°C 35°F2°C Slight Chance T-storms
  3. Sat 41°F5°C 33°F1°C Rain And Snow Showers Likely then Chance T-storms ❄︎ <1″<3 cm
  4. Sun 37°F3°C 28°F−2°C Snow Showers Likely ❄︎ <2″<4 cm
  5. Mon 38°F3°C 26°F−3°C Slight Chance Snow Showers
  6. Tue 41°F5°C 27°F−3°C Sunny
  7. Wed 41°F5°C 28°F−2°C Mostly Sunny
  8. Thu 39°F4°C Partly Sunny then Slight Chance Snow Showers

Forecast for 6 PM · NOAA grid updated 5:26 PM · grid elevation 10,446 ft

Checked at the base area (10,300 ft); the summit (11,904 ft) is usually colder.

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