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

43°F6°C wet-bulb in Okemo Mountain Resort, VT

47°F8°C air · 76% humidity

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

Next snowmaking window: Sat 3 AM – 9 AM.

Next 48 hours wet-bulb by hour; columns below the line are snowmaking hours
28°F−2°C 24°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 PM47°F8°C76%42.7°F6.0°CToo warm
Thu 9 PM44°F7°C82%40.8°F4.9°CToo warm
Thu 10 PM42°F6°C89%40.0°F4.5°CToo warm
Thu 11 PM40°F4°C92%38.5°F3.6°CToo warm
Fri 12 AM39°F4°C89%37.1°F2.8°CToo warm
Fri 1 AM38°F3°C89%36.1°F2.3°CToo warm
Fri 2 AM37°F3°C89%35.1°F1.7°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°C92%32.6°F0.3°CToo warm
Fri 6 AM33°F1°C92%31.6°F−0.2°CToo warm
Fri 7 AM32°F0°C96%31.2°F−0.5°CToo warm
Fri 8 AM36°F2°C85%33.5°F0.9°CToo warm
Fri 9 AM40°F4°C70%35.2°F1.8°CToo warm
Fri 10 AM43°F6°C65%37.3°F2.9°CToo warm
Fri 11 AM47°F8°C53%39.1°F3.9°CToo warm
Fri 12 PM50°F10°C41%39.7°F4.3°CToo warm
Fri 1 PM52°F11°C35%40.3°F4.6°CToo warm
Fri 2 PM53°F12°C35%41.1°F5.0°CToo warm
Fri 3 PM53°F12°C36%41.3°F5.1°CToo warm
Fri 4 PM55°F13°C37%43.0°F6.1°CToo warm
Fri 5 PM51°F11°C44%41.0°F5.0°CToo warm
Fri 6 PM46°F8°C58%38.9°F3.9°CToo warm
Fri 7 PM42°F6°C67%36.6°F2.6°CToo warm
Fri 8 PM39°F4°C79%35.6°F2.0°CToo warm
Fri 9 PM36°F2°C89%34.1°F1.2°CToo warm
Fri 10 PM35°F2°C89%33.1°F0.6°CToo warm
Fri 11 PM33°F1°C92%31.6°F−0.2°CToo warm
Sat 12 AM31°F−1°C96%30.2°F−1.0°CToo warm
Sat 1 AM30°F−1°C100%29.7°F−1.3°CToo warm
Sat 2 AM30°F−1°C96%29.2°F−1.6°CToo warm
Sat 3 AM29°F−2°C96%28.2°F−2.1°CMarginal
Sat 4 AM28°F−2°C100%27.7°F−2.4°CMarginal
Sat 5 AM27°F−3°C100%26.7°F−2.9°CMarginal
Sat 6 AM26°F−3°C100%25.7°F−3.5°CMarginal
Sat 7 AM24°F−4°C100%23.7°F−4.6°CGreat
Sat 8 AM28°F−2°C100%27.7°F−2.4°CMarginal
Sat 9 AM35°F2°C92%33.6°F0.9°CToo warm
Sat 10 AM41°F5°C67%35.7°F2.1°CToo warm
Sat 11 AM47°F8°C53%39.1°F3.9°CToo warm
Sat 12 PM51°F11°C46%41.4°F5.2°CToo warm
Sat 1 PM55°F13°C34%42.4°F5.8°CToo warm
Sat 2 PM56°F13°C32%42.8°F6.0°CToo warm
Sat 3 PM57°F14°C33%43.8°F6.6°CToo warm
Sat 4 PM60°F16°C31%45.7°F7.6°CToo warm
Sat 5 PM56°F13°C37%43.8°F6.6°CToo warm
Sat 6 PM51°F11°C50%42.0°F5.6°CToo warm
Sat 7 PM47°F8°C58%39.8°F4.4°CToo warm

Right now

Mostly clear
47°F8°C feels like 43°F6°C
Wind
9 mph15 km/h, gusts 17 mph28 km/h
Humidity
76%
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 55°F13°C 24°F−4°C Sunny
  3. Sat 60°F16°C 29°F−2°C Sunny
  4. Sun 66°F19°C 37°F3°C Sunny
  5. Mon 64°F18°C 36°F2°C Sunny
  6. Tue 53°F12°C 29°F−2°C Mostly Sunny
  7. Wed 54°F12°C 33°F1°C Mostly Sunny
  8. Thu 58°F14°C Partly Sunny

Forecast for 8 PM · NOAA grid updated 6:36 PM · grid elevation 1,198 ft

Checked at the base area (1,144 ft); the summit (3,344 ft) is usually colder.

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