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

41°F5°C wet-bulb in Magic Mountain, VT

45°F7°C air · 79% humidity

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

Next snowmaking window: Sat 2 AM – 9 AM.

Next 48 hours wet-bulb by hour; columns below the line are snowmaking hours
28°F−2°C 22°F−6°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 PM45°F7°C79%41.3°F5.2°CToo warm
Thu 9 PM42°F6°C86%39.5°F4.2°CToo warm
Thu 10 PM41°F5°C86%38.6°F3.6°CToo warm
Thu 11 PM40°F4°C82%37.0°F2.8°CToo warm
Fri 12 AM39°F4°C85%36.5°F2.5°CToo warm
Fri 1 AM37°F3°C92%35.6°F2.0°CToo warm
Fri 2 AM36°F2°C92%34.6°F1.4°CToo warm
Fri 3 AM36°F2°C89%34.1°F1.2°CToo warm
Fri 4 AM35°F2°C89%33.1°F0.6°CToo warm
Fri 5 AM34°F1°C82%31.2°F−0.5°CToo warm
Fri 6 AM33°F1°C82%30.2°F−1.0°CToo warm
Fri 7 AM32°F0°C82%29.2°F−1.5°CToo warm
Fri 8 AM34°F1°C75%30.3°F−1.0°CToo warm
Fri 9 AM37°F3°C64%31.7°F−0.2°CToo warm
Fri 10 AM42°F6°C48%34.0°F1.1°CToo warm
Fri 11 AM47°F8°C40%37.1°F2.8°CToo warm
Fri 12 PM50°F10°C34%38.5°F3.6°CToo warm
Fri 1 PM52°F11°C32%39.7°F4.3°CToo warm
Fri 2 PM53°F12°C32%40.5°F4.7°CToo warm
Fri 3 PM53°F12°C33%40.7°F4.8°CToo warm
Fri 4 PM51°F11°C36%39.7°F4.3°CToo warm
Fri 5 PM50°F10°C37%39.0°F3.9°CToo warm
Fri 6 PM46°F8°C47%37.3°F2.9°CToo warm
Fri 7 PM40°F4°C64%34.4°F1.3°CToo warm
Fri 8 PM36°F2°C79%32.7°F0.4°CToo warm
Fri 9 PM34°F1°C89%32.2°F0.1°CToo warm
Fri 10 PM33°F1°C89%31.2°F−0.5°CToo warm
Fri 11 PM32°F0°C92%30.6°F−0.8°CToo warm
Sat 12 AM32°F0°C89%30.2°F−1.0°CToo warm
Sat 1 AM30°F−1°C92%28.6°F−1.9°CToo warm
Sat 2 AM29°F−2°C92%27.6°F−2.4°CMarginal
Sat 3 AM28°F−2°C96%27.2°F−2.7°CMarginal
Sat 4 AM27°F−3°C96%26.2°F−3.2°CMarginal
Sat 5 AM26°F−3°C92%24.7°F−4.1°CGreat
Sat 6 AM23°F−5°C92%21.7°F−5.7°CGreat
Sat 7 AM24°F−4°C92%22.7°F−5.2°CGreat
Sat 8 AM30°F−1°C78%26.8°F−2.9°CMarginal
Sat 9 AM37°F3°C67%32.0°F0.0°CToo warm
Sat 10 AM45°F7°C53%37.3°F3.0°CToo warm
Sat 11 AM50°F10°C50%41.2°F5.1°CToo warm
Sat 12 PM54°F12°C43%43.3°F6.3°CToo warm
Sat 1 PM56°F13°C38%44.0°F6.7°CToo warm
Sat 2 PM57°F14°C37%44.6°F7.0°CToo warm
Sat 3 PM57°F14°C40%45.2°F7.3°CToo warm
Sat 4 PM56°F13°C43%45.0°F7.2°CToo warm
Sat 5 PM53°F12°C50%43.8°F6.5°CToo warm
Sat 6 PM48°F9°C58%40.7°F4.8°CToo warm
Sat 7 PM43°F6°C67%37.6°F3.1°CToo warm

Right now

Mostly clear
45°F7°C
Wind
5 mph7 km/h, gusts 21 mph33 km/h
Humidity
79%
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 32°F0°C Mostly Clear
  2. Fri 53°F12°C 23°F−5°C Sunny
  3. Sat 57°F14°C 28°F−2°C Sunny
  4. Sun 62°F17°C 35°F2°C Sunny
  5. Mon 63°F17°C 35°F2°C Sunny
  6. Tue 52°F11°C 29°F−2°C Mostly Sunny
  7. Wed 53°F12°C 34°F1°C Mostly Sunny
  8. Thu 57°F14°C Partly Sunny

Forecast for 8 PM · NOAA grid updated 2:36 PM · grid elevation 1,299 ft

Checked at the base area (1,350 ft); the summit (2,850 ft) is usually colder.

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