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

30°F−1°C wet-bulb in Alyeska Resort, AK

32°F0°C air · 85% humidity

Too warm — below freezing but droplets won't freeze in flight
Colder Snowmaking line 28°F−2°C Warmer

Next snowmaking window: tonight 6 PM – tomorrow 2 PM.

Next 48 hours wet-bulb by hour; columns below the line are snowmaking hours
28°F−2°C 18°F−8°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 4 PM32°F0°C85%29.6°F−1.3°CToo warm
Thu 5 PM31°F−1°C85%28.7°F−1.8°CToo warm
Thu 6 PM28°F−2°C85%25.8°F−3.5°CMarginal
Thu 7 PM25°F−4°C84%22.7°F−5.2°CGreat
Thu 8 PM24°F−4°C82%21.5°F−5.8°CGreat
Thu 9 PM22°F−6°C79%19.3°F−7.1°CIdeal
Thu 10 PM22°F−6°C77%19.1°F−7.2°CIdeal
Thu 11 PM22°F−6°C75%18.9°F−7.3°CIdeal
Fri 12 AM22°F−6°C74%18.8°F−7.3°CIdeal
Fri 1 AM22°F−6°C73%18.7°F−7.4°CIdeal
Fri 2 AM22°F−6°C72%18.6°F−7.4°CIdeal
Fri 3 AM22°F−6°C71%18.5°F−7.5°CIdeal
Fri 4 AM22°F−6°C64%18.0°F−7.8°CIdeal
Fri 5 AM22°F−6°C61%17.7°F−7.9°CIdeal
Fri 6 AM23°F−5°C61%18.7°F−7.4°CIdeal
Fri 7 AM23°F−5°C63%18.8°F−7.3°CIdeal
Fri 8 AM23°F−5°C63%18.8°F−7.3°CIdeal
Fri 9 AM24°F−4°C64%19.8°F−6.8°CGreat
Fri 10 AM24°F−4°C65%19.9°F−6.7°CGreat
Fri 11 AM27°F−3°C67%22.8°F−5.1°CGreat
Fri 12 PM30°F−1°C70%25.9°F−3.4°CMarginal
Fri 1 PM32°F0°C73%28.1°F−2.2°CMarginal
Fri 2 PM33°F1°C75%29.3°F−1.5°CToo warm
Fri 3 PM34°F1°C76%30.4°F−0.9°CToo warm
Fri 4 PM35°F2°C77%31.5°F−0.3°CToo warm
Fri 5 PM34°F1°C77%30.5°F−0.8°CToo warm
Fri 6 PM32°F0°C76%28.5°F−2.0°CToo warm
Fri 7 PM31°F−1°C75%27.4°F−2.5°CMarginal
Fri 8 PM30°F−1°C76%26.6°F−3.0°CMarginal
Fri 9 PM30°F−1°C77%26.7°F−2.9°CMarginal
Fri 10 PM31°F−1°C78%27.8°F−2.3°CMarginal
Fri 11 PM32°F0°C78%28.7°F−1.8°CToo warm
Sat 12 AM33°F1°C79%29.8°F−1.2°CToo warm
Sat 1 AM34°F1°C79%30.8°F−0.7°CToo warm
Sat 2 AM34°F1°C80%30.9°F−0.6°CToo warm
Sat 3 AM34°F1°C80%30.9°F−0.6°CToo warm
Sat 4 AM34°F1°C86%31.7°F−0.2°CToo warm
Sat 5 AM34°F1°C89%32.2°F0.1°CToo warm
Sat 6 AM34°F1°C89%32.2°F0.1°CToo warm
Sat 7 AM34°F1°C88%32.0°F0.0°CToo warm
Sat 8 AM34°F1°C89%32.2°F0.1°CToo warm
Sat 9 AM34°F1°C90%32.3°F0.2°CToo warm
Sat 10 AM34°F1°C91%32.4°F0.2°CToo warm
Sat 11 AM35°F2°C92%33.6°F0.9°CToo warm
Sat 12 PM36°F2°C93%34.7°F1.5°CToo warm
Sat 1 PM37°F3°C94%35.9°F2.1°CToo warm
Sat 2 PM38°F3°C94%36.9°F2.7°CToo warm
Sat 3 PM39°F4°C93%37.7°F3.2°CToo warm

Right now

Clear
32°F0°C
Wind
3 mph6 km/h
Humidity
85%
Precipitation
0% 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 32°F0°C 22°F−6°C Sunny
  2. Fri 35°F2°C 30°F−1°C Sunny
  3. Sat 40°F4°C 36°F2°C Mostly Cloudy then Chance Light Snow
  4. Sun 41°F5°C 34°F1°C Rain And Snow Likely
  5. Mon 42°F6°C 36°F2°C Chance Rain And Snow
  6. Tue 44°F7°C 36°F2°C Mostly Sunny
  7. Wed 44°F7°C 35°F2°C Chance Rain And Snow

Forecast for 4 PM · NOAA grid updated 1:57 PM · grid elevation 197 ft

Checked at the base area (250 ft); the summit (3,939 ft) is usually colder.

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