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 Seven Springs, PA

47°F8°C air · 78% humidity

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

No snowmaking window in the next 48 hours.

Next 48 hours wet-bulb by hour; columns below the line are snowmaking hours
28°F−2°C 36°F2°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°C78%43.1°F6.1°CToo warm
Thu 9 PM46°F8°C83%42.9°F6.1°CToo warm
Thu 10 PM45°F7°C85%42.3°F5.7°CToo warm
Thu 11 PM44°F7°C90%42.1°F5.6°CToo warm
Fri 12 AM43°F6°C93%41.7°F5.4°CToo warm
Fri 1 AM42°F6°C98%41.5°F5.3°CToo warm
Fri 2 AM42°F6°C99%41.7°F5.4°CToo warm
Fri 3 AM42°F6°C99%41.7°F5.4°CToo warm
Fri 4 AM42°F6°C99%41.7°F5.4°CToo warm
Fri 5 AM41°F5°C100%40.8°F4.9°CToo warm
Fri 6 AM41°F5°C100%40.8°F4.9°CToo warm
Fri 7 AM41°F5°C100%40.8°F4.9°CToo warm
Fri 8 AM41°F5°C99%40.7°F4.8°CToo warm
Fri 9 AM42°F6°C100%41.8°F5.5°CToo warm
Fri 10 AM47°F8°C90%45.1°F7.3°CToo warm
Fri 11 AM51°F11°C73%46.0°F7.8°CToo warm
Fri 12 PM54°F12°C61%46.6°F8.1°CToo warm
Fri 1 PM56°F13°C56%47.5°F8.6°CToo warm
Fri 2 PM57°F14°C51%47.4°F8.6°CToo warm
Fri 3 PM58°F14°C48%47.7°F8.7°CToo warm
Fri 4 PM57°F14°C48%46.8°F8.2°CToo warm
Fri 5 PM57°F14°C47%46.6°F8.1°CToo warm
Fri 6 PM54°F12°C56%45.7°F7.6°CToo warm
Fri 7 PM49°F9°C68%43.3°F6.3°CToo warm
Fri 8 PM46°F8°C77%41.9°F5.5°CToo warm
Fri 9 PM44°F7°C82%40.8°F4.9°CToo warm
Fri 10 PM43°F6°C83%40.0°F4.5°CToo warm
Fri 11 PM42°F6°C86%39.5°F4.2°CToo warm
Sat 12 AM42°F6°C86%39.5°F4.2°CToo warm
Sat 1 AM41°F5°C91%39.4°F4.1°CToo warm
Sat 2 AM41°F5°C91%39.4°F4.1°CToo warm
Sat 3 AM40°F4°C94%38.8°F3.8°CToo warm
Sat 4 AM40°F4°C91%38.4°F3.5°CToo warm
Sat 5 AM39°F4°C91%37.4°F3.0°CToo warm
Sat 6 AM39°F4°C93%37.7°F3.2°CToo warm
Sat 7 AM39°F4°C90%37.2°F2.9°CToo warm
Sat 8 AM39°F4°C85%36.5°F2.5°CToo warm
Sat 9 AM41°F5°C87%38.7°F3.7°CToo warm
Sat 10 AM46°F8°C73%41.3°F5.2°CToo warm
Sat 11 AM51°F11°C60%43.7°F6.5°CToo warm
Sat 12 PM54°F12°C56%45.7°F7.6°CToo warm
Sat 1 PM56°F13°C52%46.7°F8.2°CToo warm
Sat 2 PM58°F14°C48%47.7°F8.7°CToo warm
Sat 3 PM58°F14°C47%47.5°F8.6°CToo warm
Sat 4 PM57°F14°C47%46.6°F8.1°CToo warm
Sat 5 PM57°F14°C46%46.4°F8.0°CToo warm
Sat 6 PM53°F12°C54%44.5°F6.9°CToo warm
Sat 7 PM49°F9°C64%42.6°F5.9°CToo warm

Right now

Clear
47°F8°C
Wind
1 mph2 km/h, gusts 7 mph11 km/h
Humidity
78%
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 40°F4°C Mostly Clear
  2. Fri 58°F14°C 38°F3°C Sunny
  3. Sat 59°F15°C 36°F2°C Sunny
  4. Sun 62°F17°C 40°F4°C Areas Of Frost then Sunny
  5. Mon 62°F17°C 44°F7°C Sunny
  6. Tue 61°F16°C 43°F6°C Mostly Sunny
  7. Wed 60°F16°C 45°F7°C Partly Sunny
  8. Thu 62°F17°C Mostly Sunny

Forecast for 8 PM · NOAA grid updated 6:36 PM · grid elevation 2,480 ft

Checked at the base area (2,240 ft); the summit (2,990 ft) is usually colder.

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