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

38°F3°C wet-bulb in Mad River Glen, VT

41°F5°C air · 82% humidity

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

Next snowmaking window: tomorrow 7 AM – 8 AM.

Next 48 hours wet-bulb by hour; columns below the line are snowmaking hours
28°F−2°C 25°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°C82%37.9°F3.3°CToo warm
Thu 9 PM39°F4°C85%36.5°F2.5°CToo warm
Thu 10 PM38°F3°C85%35.5°F1.9°CToo warm
Thu 11 PM36°F2°C89%34.1°F1.2°CToo warm
Fri 12 AM36°F2°C85%33.5°F0.9°CToo warm
Fri 1 AM35°F2°C85%32.6°F0.3°CToo warm
Fri 2 AM35°F2°C82%32.1°F0.1°CToo warm
Fri 3 AM33°F1°C89%31.2°F−0.5°CToo warm
Fri 4 AM32°F0°C88%30.0°F−1.1°CToo warm
Fri 5 AM31°F−1°C92%29.6°F−1.3°CToo warm
Fri 6 AM30°F−1°C92%28.6°F−1.9°CToo warm
Fri 7 AM29°F−2°C96%28.2°F−2.1°CMarginal
Fri 8 AM32°F0°C85%29.6°F−1.3°CToo warm
Fri 9 AM35°F2°C72%30.8°F−0.7°CToo warm
Fri 10 AM38°F3°C62%32.3°F0.2°CToo warm
Fri 11 AM41°F5°C57%34.4°F1.3°CToo warm
Fri 12 PM43°F6°C51%35.3°F1.8°CToo warm
Fri 1 PM45°F7°C47%36.5°F2.5°CToo warm
Fri 2 PM45°F7°C49%36.7°F2.6°CToo warm
Fri 3 PM46°F8°C47%37.3°F2.9°CToo warm
Fri 4 PM47°F8°C47%38.1°F3.4°CToo warm
Fri 5 PM44°F7°C53%36.4°F2.5°CToo warm
Fri 6 PM41°F5°C62%35.0°F1.7°CToo warm
Fri 7 PM38°F3°C70%33.4°F0.8°CToo warm
Fri 8 PM35°F2°C82%32.1°F0.1°CToo warm
Fri 9 PM34°F1°C82%31.2°F−0.5°CToo warm
Fri 10 PM32°F0°C88%30.0°F−1.1°CToo warm
Fri 11 PM31°F−1°C88%29.1°F−1.6°CToo warm
Sat 12 AM30°F−1°C88%28.1°F−2.2°CMarginal
Sat 1 AM29°F−2°C92%27.6°F−2.4°CMarginal
Sat 2 AM29°F−2°C88%27.1°F−2.7°CMarginal
Sat 3 AM28°F−2°C92%26.6°F−3.0°CMarginal
Sat 4 AM28°F−2°C88%26.1°F−3.3°CMarginal
Sat 5 AM27°F−3°C96%26.2°F−3.2°CMarginal
Sat 6 AM27°F−3°C92%25.7°F−3.5°CMarginal
Sat 7 AM25°F−4°C100%24.7°F−4.0°CGreat
Sat 8 AM28°F−2°C96%27.2°F−2.7°CMarginal
Sat 9 AM33°F1°C85%30.6°F−0.8°CToo warm
Sat 10 AM37°F3°C64%31.7°F−0.2°CToo warm
Sat 11 AM42°F6°C55%35.0°F1.6°CToo warm
Sat 12 PM45°F7°C49%36.7°F2.6°CToo warm
Sat 1 PM47°F8°C40%37.1°F2.8°CToo warm
Sat 2 PM48°F9°C40%37.9°F3.3°CToo warm
Sat 3 PM49°F9°C39%38.6°F3.6°CToo warm
Sat 4 PM51°F11°C37%39.8°F4.4°CToo warm
Sat 5 PM48°F9°C44%38.5°F3.6°CToo warm
Sat 6 PM45°F7°C53%37.3°F3.0°CToo warm
Sat 7 PM42°F6°C57%35.2°F1.8°CToo warm

Right now

Mostly clear
41°F5°C feels like 33°F1°C
Wind
15 mph24 km/h, gusts 22 mph35 km/h
Humidity
82%
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 47°F8°C 25°F−4°C Sunny
  3. Sat 51°F11°C 30°F−1°C Sunny
  4. Sun 56°F13°C 38°F3°C Sunny
  5. Mon 54°F12°C 35°F2°C Mostly Sunny
  6. Tue 43°F6°C 28°F−2°C Mostly Sunny
  7. Wed 46°F8°C 34°F1°C Mostly Sunny
  8. Thu 51°F11°C Partly Sunny

Forecast for 8 PM · NOAA grid updated 6:36 PM · grid elevation 2,064 ft

Checked at the base area (1,600 ft); the summit (3,637 ft) is usually colder.

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