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 Stowe Mountain Resort, VT

42°F6°C air · 73% humidity

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

Next snowmaking window: tomorrow 4 AM – 10 AM.

Next 48 hours wet-bulb by hour; columns below the line are snowmaking hours
28°F−2°C 21°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 PM42°F6°C73%37.5°F3.1°CToo warm
Thu 9 PM41°F5°C70%36.2°F2.3°CToo warm
Thu 10 PM39°F4°C73%34.7°F1.5°CToo warm
Thu 11 PM37°F3°C72%32.7°F0.4°CToo warm
Fri 12 AM37°F3°C70%32.4°F0.2°CToo warm
Fri 1 AM36°F2°C69%31.4°F−0.4°CToo warm
Fri 2 AM35°F2°C69%30.4°F−0.9°CToo warm
Fri 3 AM34°F1°C72%29.9°F−1.2°CToo warm
Fri 4 AM32°F0°C75%28.4°F−2.0°CMarginal
Fri 5 AM30°F−1°C75%26.5°F−3.1°CMarginal
Fri 6 AM29°F−2°C78%25.9°F−3.4°CMarginal
Fri 7 AM29°F−2°C78%25.9°F−3.4°CMarginal
Fri 8 AM29°F−2°C78%25.9°F−3.4°CMarginal
Fri 9 AM32°F0°C69%27.7°F−2.4°CMarginal
Fri 10 AM35°F2°C61%29.5°F−1.4°CToo warm
Fri 11 AM39°F4°C54%32.2°F0.1°CToo warm
Fri 12 PM41°F5°C50%33.4°F0.8°CToo warm
Fri 1 PM42°F6°C50%34.3°F1.3°CToo warm
Fri 2 PM43°F6°C49%35.0°F1.7°CToo warm
Fri 3 PM44°F7°C49%35.9°F2.2°CToo warm
Fri 4 PM45°F7°C47%36.5°F2.5°CToo warm
Fri 5 PM42°F6°C53%34.7°F1.5°CToo warm
Fri 6 PM39°F4°C59%32.8°F0.5°CToo warm
Fri 7 PM35°F2°C69%30.4°F−0.9°CToo warm
Fri 8 PM33°F1°C75%29.3°F−1.5°CToo warm
Fri 9 PM31°F−1°C81%28.2°F−2.1°CMarginal
Fri 10 PM30°F−1°C81%27.2°F−2.7°CMarginal
Fri 11 PM29°F−2°C81%26.2°F−3.2°CMarginal
Sat 12 AM28°F−2°C85%25.8°F−3.5°CMarginal
Sat 1 AM27°F−3°C88%25.1°F−3.8°CMarginal
Sat 2 AM26°F−3°C88%24.2°F−4.4°CGreat
Sat 3 AM25°F−4°C92%23.7°F−4.6°CGreat
Sat 4 AM25°F−4°C88%23.2°F−4.9°CGreat
Sat 5 AM24°F−4°C88%22.2°F−5.4°CGreat
Sat 6 AM24°F−4°C88%22.2°F−5.4°CGreat
Sat 7 AM22°F−6°C96%21.2°F−6.0°CGreat
Sat 8 AM25°F−4°C88%23.2°F−4.9°CGreat
Sat 9 AM30°F−1°C78%26.8°F−2.9°CMarginal
Sat 10 AM35°F2°C69%30.4°F−0.9°CToo warm
Sat 11 AM40°F4°C59%33.7°F1.0°CToo warm
Sat 12 PM43°F6°C53%35.6°F2.0°CToo warm
Sat 1 PM46°F8°C40%36.3°F2.4°CToo warm
Sat 2 PM47°F8°C40%37.1°F2.8°CToo warm
Sat 3 PM48°F9°C40%37.9°F3.3°CToo warm
Sat 4 PM50°F10°C39%39.4°F4.1°CToo warm
Sat 5 PM47°F8°C45%37.8°F3.2°CToo warm
Sat 6 PM43°F6°C55%35.8°F2.1°CToo warm
Sat 7 PM40°F4°C59%33.7°F1.0°CToo warm

Right now

Mostly clear
42°F6°C feels like 35°F2°C
Wind
14 mph22 km/h, gusts 24 mph39 km/h
Humidity
73%
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 27°F−3°C Mostly Clear
  2. Fri 45°F7°C 22°F−6°C Sunny
  3. Sat 50°F10°C 26°F−3°C Sunny
  4. Sun 56°F13°C 36°F2°C Sunny
  5. Mon 52°F11°C 30°F−1°C Mostly Sunny
  6. Tue 40°F4°C 25°F−4°C Mostly Sunny
  7. Wed 44°F7°C 30°F−1°C Mostly Sunny
  8. Thu 49°F9°C Mostly Sunny

Forecast for 8 PM · NOAA grid updated 6:36 PM · grid elevation 2,093 ft

Checked at the base area (1,559 ft); the summit (3,625 ft) is usually colder.

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