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

38°F3°C wet-bulb in Wintergreen Resort, VA

46°F8°C air · 51% 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 35°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 PM46°F8°C51%37.9°F3.3°CToo warm
Thu 9 PM45°F7°C58%38.1°F3.4°CToo warm
Thu 10 PM44°F7°C60%37.5°F3.0°CToo warm
Thu 11 PM43°F6°C65%37.3°F2.9°CToo warm
Fri 12 AM43°F6°C67%37.6°F3.1°CToo warm
Fri 1 AM43°F6°C67%37.6°F3.1°CToo warm
Fri 2 AM43°F6°C67%37.6°F3.1°CToo warm
Fri 3 AM43°F6°C70%38.0°F3.3°CToo warm
Fri 4 AM42°F6°C70%37.1°F2.8°CToo warm
Fri 5 AM42°F6°C73%37.5°F3.1°CToo warm
Fri 6 AM42°F6°C79%38.4°F3.6°CToo warm
Fri 7 AM41°F5°C85%38.4°F3.6°CToo warm
Fri 8 AM41°F5°C85%38.4°F3.6°CToo warm
Fri 9 AM43°F6°C82%39.9°F4.4°CToo warm
Fri 10 AM45°F7°C79%41.3°F5.2°CToo warm
Fri 11 AM47°F8°C74%42.4°F5.8°CToo warm
Fri 12 PM49°F9°C66%42.9°F6.1°CToo warm
Fri 1 PM50°F10°C63%43.3°F6.3°CToo warm
Fri 2 PM51°F11°C59%43.6°F6.4°CToo warm
Fri 3 PM51°F11°C59%43.6°F6.4°CToo warm
Fri 4 PM52°F11°C54%43.6°F6.4°CToo warm
Fri 5 PM50°F10°C58%42.5°F5.8°CToo warm
Fri 6 PM49°F9°C61%42.1°F5.6°CToo warm
Fri 7 PM46°F8°C71%41.0°F5.0°CToo warm
Fri 8 PM43°F6°C79%39.4°F4.1°CToo warm
Fri 9 PM43°F6°C79%39.4°F4.1°CToo warm
Fri 10 PM42°F6°C79%38.4°F3.6°CToo warm
Fri 11 PM41°F5°C82%37.9°F3.3°CToo warm
Sat 12 AM41°F5°C79%37.5°F3.0°CToo warm
Sat 1 AM41°F5°C79%37.5°F3.0°CToo warm
Sat 2 AM40°F4°C79%36.5°F2.5°CToo warm
Sat 3 AM40°F4°C76%36.1°F2.3°CToo warm
Sat 4 AM39°F4°C79%35.6°F2.0°CToo warm
Sat 5 AM39°F4°C79%35.6°F2.0°CToo warm
Sat 6 AM39°F4°C76%35.1°F1.7°CToo warm
Sat 7 AM39°F4°C76%35.1°F1.7°CToo warm
Sat 8 AM39°F4°C82%36.0°F2.2°CToo warm
Sat 9 AM41°F5°C76%37.0°F2.8°CToo warm
Sat 10 AM43°F6°C70%38.0°F3.3°CToo warm
Sat 11 AM45°F7°C68%39.6°F4.2°CToo warm
Sat 12 PM47°F8°C60%40.1°F4.5°CToo warm
Sat 1 PM48°F9°C58%40.7°F4.8°CToo warm
Sat 2 PM49°F9°C56%41.3°F5.2°CToo warm
Sat 3 PM50°F10°C52%41.5°F5.3°CToo warm
Sat 4 PM49°F9°C54%41.0°F5.0°CToo warm
Sat 5 PM48°F9°C56%40.4°F4.7°CToo warm
Sat 6 PM46°F8°C60%39.2°F4.0°CToo warm
Sat 7 PM43°F6°C67%37.6°F3.1°CToo warm

Right now

Clear
46°F8°C feels like 41°F5°C
Wind
9 mph15 km/h
Humidity
51%
Precipitation
0% chance

Nearest station KW13 at 7:35 PM: Clear, 52°F11°C, 41% humidity (41°F5°C wet-bulb), wind 3 mph5 km/h.

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 39°F4°C Clear
  2. Fri 52°F11°C 36°F2°C Sunny
  3. Sat 50°F10°C 37°F3°C Mostly Sunny
  4. Sun 53°F12°C 39°F4°C Sunny
  5. Mon 58°F14°C 45°F7°C Sunny
  6. Tue 57°F14°C 45°F7°C Sunny
  7. Wed 52°F11°C 45°F7°C Partly Sunny
  8. Thu 56°F13°C Mostly Sunny

Forecast for 8 PM · NOAA grid updated 7:52 PM · grid elevation 3,501 ft

Checked at the base area (2,847 ft); the summit (3,851 ft) is usually colder.

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