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

36°F2°C wet-bulb in Sugarloaf, ME

41°F5°C air · 67% humidity

Too warm for snowmaking
Colder Snowmaking line 28°F−2°C Warmer

Next snowmaking window: tomorrow 4 AM – 11 AM.

Next 48 hours wet-bulb by hour; columns below the line are snowmaking hours
28°F−2°C 24°F−4°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 8 PM41°F5°C67%35.7°F2.1°CToo warm
Thu 9 PM39°F4°C67%33.9°F1.0°CToo warm
Thu 10 PM38°F3°C67%33.0°F0.5°CToo warm
Thu 11 PM37°F3°C67%32.0°F0.0°CToo warm
Fri 12 AM36°F2°C67%31.1°F−0.5°CToo warm
Fri 1 AM35°F2°C66%30.1°F−1.1°CToo warm
Fri 2 AM34°F1°C66%29.1°F−1.6°CToo warm
Fri 3 AM34°F1°C66%29.1°F−1.6°CToo warm
Fri 4 AM33°F1°C66%28.2°F−2.1°CMarginal
Fri 5 AM31°F−1°C72%27.1°F−2.7°CMarginal
Fri 6 AM31°F−1°C69%26.7°F−2.9°CMarginal
Fri 7 AM30°F−1°C72%26.1°F−3.3°CMarginal
Fri 8 AM29°F−2°C72%25.2°F−3.8°CMarginal
Fri 9 AM31°F−1°C69%26.7°F−2.9°CMarginal
Fri 10 AM32°F0°C66%27.3°F−2.6°CMarginal
Fri 11 AM35°F2°C61%29.5°F−1.4°CToo warm
Fri 12 PM37°F3°C56%30.7°F−0.7°CToo warm
Fri 1 PM38°F3°C54%31.3°F−0.4°CToo warm
Fri 2 PM40°F4°C50%32.6°F0.3°CToo warm
Fri 3 PM40°F4°C50%32.6°F0.3°CToo warm
Fri 4 PM41°F5°C48%33.2°F0.7°CToo warm
Fri 5 PM39°F4°C54%32.2°F0.1°CToo warm
Fri 6 PM37°F3°C59%31.0°F−0.5°CToo warm
Fri 7 PM34°F1°C69%29.5°F−1.4°CToo warm
Fri 8 PM31°F−1°C78%27.8°F−2.3°CMarginal
Fri 9 PM30°F−1°C78%26.8°F−2.9°CMarginal
Fri 10 PM30°F−1°C72%26.1°F−3.3°CMarginal
Fri 11 PM30°F−1°C69%25.8°F−3.4°CMarginal
Sat 12 AM29°F−2°C72%25.2°F−3.8°CMarginal
Sat 1 AM29°F−2°C69%24.9°F−4.0°CMarginal
Sat 2 AM28°F−2°C71%24.1°F−4.4°CGreat
Sat 3 AM28°F−2°C75%24.6°F−4.1°CGreat
Sat 4 AM28°F−2°C78%24.9°F−3.9°CMarginal
Sat 5 AM28°F−2°C85%25.8°F−3.5°CMarginal
Sat 6 AM29°F−2°C78%25.9°F−3.4°CMarginal
Sat 7 AM29°F−2°C75%25.5°F−3.6°CMarginal
Sat 8 AM29°F−2°C72%25.2°F−3.8°CMarginal
Sat 9 AM33°F1°C63%27.9°F−2.3°CMarginal
Sat 10 AM37°F3°C56%30.7°F−0.7°CToo warm
Sat 11 AM41°F5°C50%33.4°F0.8°CToo warm
Sat 12 PM44°F7°C45%35.3°F1.9°CToo warm
Sat 1 PM46°F8°C42%36.6°F2.5°CToo warm
Sat 2 PM47°F8°C40%37.1°F2.8°CToo warm
Sat 3 PM47°F8°C42%37.4°F3.0°CToo warm
Sat 4 PM47°F8°C42%37.4°F3.0°CToo warm
Sat 5 PM45°F7°C47%36.5°F2.5°CToo warm
Sat 6 PM42°F6°C48%34.0°F1.1°CToo warm
Sat 7 PM39°F4°C52%32.0°F0.0°CToo warm

Right now

Mostly clear
41°F5°C feels like 32°F0°C
Wind
20 mph31 km/h, gusts 33 mph54 km/h
Humidity
67%
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. Tonight 29°F−2°C Mostly Clear
  2. Fri 41°F5°C 27°F−3°C Sunny
  3. Sat 48°F9°C 33°F1°C Sunny
  4. Sun 54°F12°C 36°F2°C Sunny
  5. Mon 52°F11°C 30°F−1°C Mostly Sunny
  6. Tue 38°F3°C 24°F−4°C Sunny
  7. Wed 41°F5°C 28°F−2°C Sunny
  8. Thu 44°F7°C Mostly Sunny

Forecast for 8 PM · NOAA grid updated 7:24 PM · grid elevation 2,851 ft

Checked at the base area (1,417 ft); the summit (4,237 ft) is usually colder.

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