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°F5°C wet-bulb in Berkshire East, MA

48°F9°C air · 65% 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 26°F−3°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 PM48°F9°C65%41.9°F5.5°CToo warm
Thu 9 PM45°F7°C73%40.3°F4.6°CToo warm
Thu 10 PM44°F7°C73%39.4°F4.1°CToo warm
Thu 11 PM42°F6°C79%38.4°F3.6°CToo warm
Fri 12 AM41°F5°C76%37.0°F2.8°CToo warm
Fri 1 AM40°F4°C79%36.5°F2.5°CToo warm
Fri 2 AM39°F4°C76%35.1°F1.7°CToo warm
Fri 3 AM38°F3°C79%34.6°F1.4°CToo warm
Fri 4 AM37°F3°C79%33.6°F0.9°CToo warm
Fri 5 AM36°F2°C75%32.1°F0.1°CToo warm
Fri 6 AM35°F2°C75%31.2°F−0.4°CToo warm
Fri 7 AM35°F2°C72%30.8°F−0.7°CToo warm
Fri 8 AM36°F2°C67%31.1°F−0.5°CToo warm
Fri 9 AM40°F4°C59%33.7°F1.0°CToo warm
Fri 10 AM44°F7°C51%36.2°F2.3°CToo warm
Fri 11 AM48°F9°C42%38.2°F3.5°CToo warm
Fri 12 PM50°F10°C37%39.0°F3.9°CToo warm
Fri 1 PM52°F11°C35%40.3°F4.6°CToo warm
Fri 2 PM53°F12°C33%40.7°F4.8°CToo warm
Fri 3 PM54°F12°C34%41.7°F5.4°CToo warm
Fri 4 PM53°F12°C35%41.1°F5.0°CToo warm
Fri 5 PM52°F11°C38%40.8°F4.9°CToo warm
Fri 6 PM46°F8°C49%37.6°F3.1°CToo warm
Fri 7 PM42°F6°C57%35.2°F1.8°CToo warm
Fri 8 PM37°F3°C72%32.7°F0.4°CToo warm
Fri 9 PM34°F1°C78%30.6°F−0.8°CToo warm
Fri 10 PM34°F1°C78%30.6°F−0.8°CToo warm
Fri 11 PM33°F1°C82%30.2°F−1.0°CToo warm
Sat 12 AM33°F1°C82%30.2°F−1.0°CToo warm
Sat 1 AM32°F0°C82%29.2°F−1.5°CToo warm
Sat 2 AM30°F−1°C85%27.7°F−2.4°CMarginal
Sat 3 AM29°F−2°C88%27.1°F−2.7°CMarginal
Sat 4 AM29°F−2°C85%26.7°F−2.9°CMarginal
Sat 5 AM28°F−2°C88%26.1°F−3.3°CMarginal
Sat 6 AM28°F−2°C85%25.8°F−3.5°CMarginal
Sat 7 AM28°F−2°C85%25.8°F−3.5°CMarginal
Sat 8 AM30°F−1°C78%26.8°F−2.9°CMarginal
Sat 9 AM37°F3°C64%31.7°F−0.2°CToo warm
Sat 10 AM44°F7°C51%36.2°F2.3°CToo warm
Sat 11 AM50°F10°C44%40.2°F4.6°CToo warm
Sat 12 PM54°F12°C36%42.0°F5.6°CToo warm
Sat 1 PM56°F13°C34%43.2°F6.2°CToo warm
Sat 2 PM58°F14°C30%43.9°F6.6°CToo warm
Sat 3 PM58°F14°C32%44.4°F6.9°CToo warm
Sat 4 PM57°F14°C33%43.8°F6.6°CToo warm
Sat 5 PM54°F12°C38%42.4°F5.8°CToo warm
Sat 6 PM49°F9°C46%39.7°F4.3°CToo warm
Sat 7 PM43°F6°C60%36.6°F2.5°CToo warm

Right now

Clear
48°F9°C feels like 43°F6°C
Wind
10 mph17 km/h, gusts 21 mph33 km/h
Humidity
65%
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 34°F1°C Mostly Clear
  2. Fri 54°F12°C 27°F−3°C Sunny
  3. Sat 58°F14°C 28°F−2°C Sunny
  4. Sun 61°F16°C 37°F3°C Sunny
  5. Mon 63°F17°C 39°F4°C Sunny
  6. Tue 55°F13°C 31°F−1°C Mostly Sunny
  7. Wed 53°F12°C 36°F2°C Mostly Sunny
  8. Thu 57°F14°C Partly Sunny

Forecast for 8 PM · NOAA grid updated 3:13 PM · grid elevation 1,102 ft

Checked at the base area (610 ft); the summit (1,790 ft) is usually colder.

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