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 Cranmore Mountain, NH

51°F11°C air · 54% humidity

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

Next snowmaking window: tomorrow 7 AM – 8 AM.

Next 48 hours wet-bulb by hour; columns below the line are snowmaking hours
28°F−2°C 24°F−4°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 PM51°F11°C54%42.7°F6.0°CToo warm
Thu 9 PM49°F9°C56%41.3°F5.2°CToo warm
Thu 10 PM46°F8°C60%39.2°F4.0°CToo warm
Thu 11 PM44°F7°C62%37.7°F3.2°CToo warm
Fri 12 AM41°F5°C67%35.7°F2.1°CToo warm
Fri 1 AM39°F4°C70%34.3°F1.3°CToo warm
Fri 2 AM38°F3°C70%33.4°F0.8°CToo warm
Fri 3 AM37°F3°C70%32.4°F0.2°CToo warm
Fri 4 AM35°F2°C72%30.8°F−0.7°CToo warm
Fri 5 AM34°F1°C72%29.9°F−1.2°CToo warm
Fri 6 AM33°F1°C72%28.9°F−1.7°CToo warm
Fri 7 AM32°F0°C75%28.4°F−2.0°CMarginal
Fri 8 AM33°F1°C69%28.6°F−1.9°CToo warm
Fri 9 AM37°F3°C61%31.3°F−0.4°CToo warm
Fri 10 AM43°F6°C51%35.3°F1.8°CToo warm
Fri 11 AM46°F8°C47%37.3°F2.9°CToo warm
Fri 12 PM50°F10°C39%39.4°F4.1°CToo warm
Fri 1 PM52°F11°C35%40.3°F4.6°CToo warm
Fri 2 PM54°F12°C32%41.3°F5.2°CToo warm
Fri 3 PM54°F12°C32%41.3°F5.2°CToo warm
Fri 4 PM54°F12°C34%41.7°F5.4°CToo warm
Fri 5 PM52°F11°C36%40.5°F4.7°CToo warm
Fri 6 PM49°F9°C42%39.0°F3.9°CToo warm
Fri 7 PM43°F6°C53%35.6°F2.0°CToo warm
Fri 8 PM37°F3°C70%32.4°F0.2°CToo warm
Fri 9 PM35°F2°C72%30.8°F−0.7°CToo warm
Fri 10 PM34°F1°C75%30.3°F−1.0°CToo warm
Fri 11 PM32°F0°C78%28.7°F−1.8°CToo warm
Sat 12 AM31°F−1°C78%27.8°F−2.3°CMarginal
Sat 1 AM30°F−1°C81%27.2°F−2.7°CMarginal
Sat 2 AM29°F−2°C81%26.2°F−3.2°CMarginal
Sat 3 AM28°F−2°C81%25.3°F−3.7°CMarginal
Sat 4 AM27°F−3°C85%24.8°F−4.0°CGreat
Sat 5 AM27°F−3°C81%24.3°F−4.3°CGreat
Sat 6 AM27°F−3°C81%24.3°F−4.3°CGreat
Sat 7 AM27°F−3°C78%24.0°F−4.5°CGreat
Sat 8 AM27°F−3°C78%24.0°F−4.5°CGreat
Sat 9 AM34°F1°C64%28.9°F−1.7°CToo warm
Sat 10 AM42°F6°C50%34.3°F1.3°CToo warm
Sat 11 AM49°F9°C44%39.4°F4.1°CToo warm
Sat 12 PM54°F12°C35%41.9°F5.5°CToo warm
Sat 1 PM57°F14°C30%43.2°F6.2°CToo warm
Sat 2 PM58°F14°C29%43.7°F6.5°CToo warm
Sat 3 PM58°F14°C29%43.7°F6.5°CToo warm
Sat 4 PM57°F14°C31%43.4°F6.3°CToo warm
Sat 5 PM55°F13°C35%42.6°F5.9°CToo warm
Sat 6 PM51°F11°C41%40.5°F4.7°CToo warm
Sat 7 PM45°F7°C51%37.0°F2.8°CToo warm

Right now

Clear
51°F11°C
Wind
8 mph13 km/h, gusts 16 mph26 km/h
Humidity
54%
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 54°F12°C 26°F−3°C Sunny
  3. Sat 58°F14°C 28°F−2°C Sunny
  4. Sun 63°F17°C 36°F2°C Sunny
  5. Mon 65°F18°C 34°F1°C Sunny
  6. Tue 52°F11°C 27°F−3°C Sunny
  7. Wed 51°F11°C 31°F−1°C Mostly Sunny
  8. Thu 55°F13°C Mostly Sunny

Forecast for 8 PM · NOAA grid updated 7:46 PM · grid elevation 748 ft

Checked at the base area (950 ft); the summit (2,000 ft) is usually colder.

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