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

42°F6°C wet-bulb in Jiminy Peak, MA

46°F8°C air · 79% humidity

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

Next snowmaking window: Sat 4 AM – 8 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 PM46°F8°C79%42.3°F5.7°CToo warm
Thu 9 PM44°F7°C82%40.8°F4.9°CToo warm
Thu 10 PM43°F6°C86%40.5°F4.7°CToo warm
Thu 11 PM41°F5°C86%38.6°F3.6°CToo warm
Fri 12 AM39°F4°C92%37.5°F3.1°CToo warm
Fri 1 AM37°F3°C100%36.8°F2.7°CToo warm
Fri 2 AM36°F2°C100%35.8°F2.1°CToo warm
Fri 3 AM35°F2°C100%34.8°F1.5°CToo warm
Fri 4 AM34°F1°C100%33.8°F1.0°CToo warm
Fri 5 AM33°F1°C96%32.2°F0.1°CToo warm
Fri 6 AM32°F0°C96%31.2°F−0.5°CToo warm
Fri 7 AM31°F−1°C96%30.2°F−1.0°CToo warm
Fri 8 AM33°F1°C89%31.2°F−0.5°CToo warm
Fri 9 AM38°F3°C73%33.8°F1.0°CToo warm
Fri 10 AM43°F6°C55%35.8°F2.1°CToo warm
Fri 11 AM47°F8°C47%38.1°F3.4°CToo warm
Fri 12 PM51°F11°C39%40.2°F4.5°CToo warm
Fri 1 PM52°F11°C39%41.0°F5.0°CToo warm
Fri 2 PM53°F12°C39%41.8°F5.4°CToo warm
Fri 3 PM54°F12°C40%42.8°F6.0°CToo warm
Fri 4 PM53°F12°C43%42.5°F5.8°CToo warm
Fri 5 PM52°F11°C46%42.2°F5.7°CToo warm
Fri 6 PM48°F9°C54%40.1°F4.5°CToo warm
Fri 7 PM41°F5°C70%36.2°F2.3°CToo warm
Fri 8 PM37°F3°C82%34.1°F1.2°CToo warm
Fri 9 PM35°F2°C89%33.1°F0.6°CToo warm
Fri 10 PM34°F1°C92%32.6°F0.3°CToo warm
Fri 11 PM33°F1°C92%31.6°F−0.2°CToo warm
Sat 12 AM32°F0°C96%31.2°F−0.5°CToo warm
Sat 1 AM31°F−1°C96%30.2°F−1.0°CToo warm
Sat 2 AM30°F−1°C96%29.2°F−1.6°CToo warm
Sat 3 AM29°F−2°C100%28.7°F−1.8°CToo warm
Sat 4 AM28°F−2°C100%27.7°F−2.4°CMarginal
Sat 5 AM27°F−3°C92%25.7°F−3.5°CMarginal
Sat 6 AM25°F−4°C92%23.7°F−4.6°CGreat
Sat 7 AM26°F−3°C92%24.7°F−4.1°CGreat
Sat 8 AM32°F0°C78%28.7°F−1.8°CToo warm
Sat 9 AM37°F3°C75%33.1°F0.6°CToo warm
Sat 10 AM45°F7°C58%38.1°F3.4°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 PM55°F13°C38%43.2°F6.2°CToo warm
Sat 2 PM55°F13°C38%43.2°F6.2°CToo warm
Sat 3 PM56°F13°C38%44.0°F6.7°CToo warm
Sat 4 PM56°F13°C40%44.4°F6.9°CToo warm
Sat 5 PM54°F12°C43%43.3°F6.3°CToo warm
Sat 6 PM49°F9°C52%40.6°F4.8°CToo warm
Sat 7 PM43°F6°C65%37.3°F2.9°CToo warm

Right now

Mostly clear
46°F8°C feels like 40°F4°C
Wind
13 mph20 km/h, gusts 28 mph44 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 31°F−1°C Mostly Clear
  2. Fri 54°F12°C 25°F−4°C Sunny
  3. Sat 56°F13°C 30°F−1°C Mostly Sunny
  4. Sun 61°F16°C 35°F2°C Sunny
  5. Mon 62°F17°C 36°F2°C Sunny
  6. Tue 54°F12°C 30°F−1°C Mostly Sunny
  7. Wed 55°F13°C 35°F2°C Mostly Sunny
  8. Thu 58°F14°C Partly Sunny

Forecast for 8 PM · NOAA grid updated 2:36 PM · grid elevation 1,385 ft

Checked at the base area (1,150 ft); the summit (2,380 ft) is usually colder.

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