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

37°F3°C wet-bulb in Stratton Mountain, VT

41°F5°C air · 79% humidity

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

Next snowmaking window: Sat 12 AM – 9 AM.

Next 48 hours wet-bulb by hour; columns below the line are snowmaking hours
28°F−2°C 23°F−5°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°C79%37.5°F3.0°CToo warm
Thu 9 PM41°F5°C79%37.5°F3.0°CToo warm
Thu 10 PM39°F4°C85%36.5°F2.5°CToo warm
Thu 11 PM38°F3°C82%35.0°F1.7°CToo warm
Fri 12 AM38°F3°C79%34.6°F1.4°CToo warm
Fri 1 AM35°F2°C92%33.6°F0.9°CToo warm
Fri 2 AM35°F2°C85%32.6°F0.3°CToo warm
Fri 3 AM34°F1°C89%32.2°F0.1°CToo warm
Fri 4 AM34°F1°C89%32.2°F0.1°CToo warm
Fri 5 AM33°F1°C85%30.6°F−0.8°CToo warm
Fri 6 AM32°F0°C85%29.6°F−1.3°CToo warm
Fri 7 AM31°F−1°C85%28.7°F−1.8°CToo warm
Fri 8 AM32°F0°C78%28.7°F−1.8°CToo warm
Fri 9 AM35°F2°C66%30.1°F−1.1°CToo warm
Fri 10 AM38°F3°C52%31.1°F−0.5°CToo warm
Fri 11 AM40°F4°C48%32.3°F0.2°CToo warm
Fri 12 PM43°F6°C41%34.0°F1.1°CToo warm
Fri 1 PM45°F7°C38%35.2°F1.8°CToo warm
Fri 2 PM45°F7°C40%35.5°F1.9°CToo warm
Fri 3 PM47°F8°C38%36.8°F2.7°CToo warm
Fri 4 PM45°F7°C41%35.6°F2.0°CToo warm
Fri 5 PM45°F7°C43%35.9°F2.2°CToo warm
Fri 6 PM41°F5°C53%33.8°F1.0°CToo warm
Fri 7 PM36°F2°C67%31.1°F−0.5°CToo warm
Fri 8 PM33°F1°C78%29.7°F−1.3°CToo warm
Fri 9 PM34°F1°C78%30.6°F−0.8°CToo warm
Fri 10 PM32°F0°C85%29.6°F−1.3°CToo warm
Fri 11 PM31°F−1°C88%29.1°F−1.6°CToo warm
Sat 12 AM31°F−1°C78%27.8°F−2.3°CMarginal
Sat 1 AM31°F−1°C78%27.8°F−2.3°CMarginal
Sat 2 AM31°F−1°C75%27.4°F−2.5°CMarginal
Sat 3 AM31°F−1°C75%27.4°F−2.5°CMarginal
Sat 4 AM30°F−1°C78%26.8°F−2.9°CMarginal
Sat 5 AM29°F−2°C72%25.2°F−3.8°CMarginal
Sat 6 AM25°F−4°C84%22.7°F−5.2°CGreat
Sat 7 AM25°F−4°C88%23.2°F−4.9°CGreat
Sat 8 AM30°F−1°C75%26.5°F−3.1°CMarginal
Sat 9 AM34°F1°C66%29.1°F−1.6°CToo warm
Sat 10 AM41°F5°C50%33.4°F0.8°CToo warm
Sat 11 AM45°F7°C45%36.2°F2.3°CToo warm
Sat 12 PM48°F9°C39%37.8°F3.2°CToo warm
Sat 1 PM49°F9°C34%37.8°F3.2°CToo warm
Sat 2 PM49°F9°C34%37.8°F3.2°CToo warm
Sat 3 PM50°F10°C36%38.9°F3.8°CToo warm
Sat 4 PM50°F10°C39%39.4°F4.1°CToo warm
Sat 5 PM48°F9°C44%38.5°F3.6°CToo warm
Sat 6 PM44°F7°C51%36.2°F2.3°CToo warm
Sat 7 PM40°F4°C59%33.7°F1.0°CToo warm

Right now

Mostly clear
41°F5°C feels like 35°F2°C
Wind
10 mph17 km/h, gusts 24 mph39 km/h
Humidity
79%
Precipitation
1% 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 31°F−1°C Mostly Clear
  2. Fri 47°F8°C 25°F−4°C Sunny
  3. Sat 50°F10°C 30°F−1°C Sunny
  4. Sun 56°F13°C 36°F2°C Sunny
  5. Mon 57°F14°C 36°F2°C Sunny
  6. Tue 46°F8°C 29°F−2°C Mostly Sunny
  7. Wed 48°F9°C 34°F1°C Mostly Sunny
  8. Thu 52°F11°C Partly Sunny

Forecast for 8 PM · NOAA grid updated 2:36 PM · grid elevation 2,749 ft

Checked at the base area (1,872 ft); the summit (3,875 ft) is usually colder.

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