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

46°F8°C wet-bulb in Pats Peak, NH

54°F12°C air · 57% humidity

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

Next snowmaking window: Sat 1 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 PM54°F12°C57%45.9°F7.7°CToo warm
Thu 9 PM50°F10°C63%43.3°F6.3°CToo warm
Thu 10 PM47°F8°C68%41.4°F5.2°CToo warm
Thu 11 PM43°F6°C76%38.9°F3.8°CToo warm
Fri 12 AM41°F5°C79%37.5°F3.0°CToo warm
Fri 1 AM40°F4°C82%37.0°F2.8°CToo warm
Fri 2 AM38°F3°C85%35.5°F1.9°CToo warm
Fri 3 AM37°F3°C85%34.5°F1.4°CToo warm
Fri 4 AM36°F2°C82%33.1°F0.6°CToo warm
Fri 5 AM35°F2°C82%32.1°F0.1°CToo warm
Fri 6 AM34°F1°C82%31.2°F−0.5°CToo warm
Fri 7 AM33°F1°C82%30.2°F−1.0°CToo warm
Fri 8 AM33°F1°C82%30.2°F−1.0°CToo warm
Fri 9 AM37°F3°C72%32.7°F0.4°CToo warm
Fri 10 AM44°F7°C57%37.0°F2.8°CToo warm
Fri 11 AM49°F9°C50%40.3°F4.6°CToo warm
Fri 12 PM51°F11°C44%41.0°F5.0°CToo warm
Fri 1 PM53°F12°C41%42.2°F5.6°CToo warm
Fri 2 PM55°F13°C37%43.0°F6.1°CToo warm
Fri 3 PM55°F13°C37%43.0°F6.1°CToo warm
Fri 4 PM55°F13°C37%43.0°F6.1°CToo warm
Fri 5 PM53°F12°C39%41.8°F5.4°CToo warm
Fri 6 PM50°F10°C44%40.2°F4.6°CToo warm
Fri 7 PM45°F7°C53%37.3°F3.0°CToo warm
Fri 8 PM40°F4°C64%34.4°F1.3°CToo warm
Fri 9 PM38°F3°C70%33.4°F0.8°CToo warm
Fri 10 PM36°F2°C72%31.8°F−0.1°CToo warm
Fri 11 PM34°F1°C78%30.6°F−0.8°CToo warm
Sat 12 AM32°F0°C81%29.1°F−1.6°CToo warm
Sat 1 AM31°F−1°C81%28.2°F−2.1°CMarginal
Sat 2 AM30°F−1°C85%27.7°F−2.4°CMarginal
Sat 3 AM30°F−1°C81%27.2°F−2.7°CMarginal
Sat 4 AM29°F−2°C85%26.7°F−2.9°CMarginal
Sat 5 AM29°F−2°C85%26.7°F−2.9°CMarginal
Sat 6 AM28°F−2°C88%26.1°F−3.3°CMarginal
Sat 7 AM28°F−2°C88%26.1°F−3.3°CMarginal
Sat 8 AM28°F−2°C92%26.6°F−3.0°CMarginal
Sat 9 AM35°F2°C72%30.8°F−0.7°CToo warm
Sat 10 AM42°F6°C60%35.7°F2.0°CToo warm
Sat 11 AM50°F10°C48%40.9°F4.9°CToo warm
Sat 12 PM55°F13°C37%43.0°F6.1°CToo warm
Sat 1 PM58°F14°C32%44.4°F6.9°CToo warm
Sat 2 PM59°F15°C29%44.4°F6.9°CToo warm
Sat 3 PM59°F15°C30%44.7°F7.0°CToo warm
Sat 4 PM58°F14°C32%44.4°F6.9°CToo warm
Sat 5 PM56°F13°C35%43.4°F6.3°CToo warm
Sat 6 PM51°F11°C42%40.7°F4.8°CToo warm
Sat 7 PM46°F8°C51%37.9°F3.3°CToo warm

Right now

Clear
54°F12°C
Wind
9 mph15 km/h, gusts 17 mph28 km/h
Humidity
57%
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 33°F1°C Clear
  2. Fri 55°F13°C 27°F−3°C Sunny
  3. Sat 59°F15°C 27°F−3°C Sunny
  4. Sun 64°F18°C 35°F2°C Sunny
  5. Mon 66°F19°C 36°F2°C Sunny
  6. Tue 54°F12°C 28°F−2°C Sunny
  7. Wed 54°F12°C 33°F1°C Mostly Sunny
  8. Thu 59°F15°C Mostly Sunny

Forecast for 8 PM · NOAA grid updated 7:46 PM · grid elevation 397 ft

Checked at the base area (710 ft); the summit (1,460 ft) is usually colder.

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