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

45°F7°C wet-bulb in Winter Park Resort, CO

51°F11°C air · 66% 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 29°F−2°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 6 PM51°F11°C66%44.8°F7.1°CToo warm
Thu 7 PM46°F8°C79%42.3°F5.7°CToo warm
Thu 8 PM45°F7°C82%41.8°F5.4°CToo warm
Thu 9 PM44°F7°C82%40.8°F4.9°CToo warm
Thu 10 PM43°F6°C86%40.5°F4.7°CToo warm
Thu 11 PM43°F6°C86%40.5°F4.7°CToo warm
Fri 12 AM44°F7°C82%40.8°F4.9°CToo warm
Fri 1 AM42°F6°C86%39.5°F4.2°CToo warm
Fri 2 AM42°F6°C82%38.9°F3.8°CToo warm
Fri 3 AM42°F6°C82%38.9°F3.8°CToo warm
Fri 4 AM41°F5°C82%37.9°F3.3°CToo warm
Fri 5 AM40°F4°C82%37.0°F2.8°CToo warm
Fri 6 AM39°F4°C85%36.5°F2.5°CToo warm
Fri 7 AM38°F3°C89%36.1°F2.3°CToo warm
Fri 8 AM38°F3°C89%36.1°F2.3°CToo warm
Fri 9 AM41°F5°C82%37.9°F3.3°CToo warm
Fri 10 AM46°F8°C65%40.0°F4.5°CToo warm
Fri 11 AM49°F9°C56%41.3°F5.2°CToo warm
Fri 12 PM51°F11°C50%42.0°F5.6°CToo warm
Fri 1 PM54°F12°C41%43.0°F6.1°CToo warm
Fri 2 PM54°F12°C38%42.4°F5.8°CToo warm
Fri 3 PM55°F13°C35%42.6°F5.9°CToo warm
Fri 4 PM53°F12°C36%41.3°F5.1°CToo warm
Fri 5 PM52°F11°C39%41.0°F5.0°CToo warm
Fri 6 PM48°F9°C47%39.0°F3.9°CToo warm
Fri 7 PM43°F6°C55%35.8°F2.1°CToo warm
Fri 8 PM41°F5°C62%35.0°F1.7°CToo warm
Fri 9 PM40°F4°C62%34.1°F1.2°CToo warm
Fri 10 PM38°F3°C67%33.0°F0.5°CToo warm
Fri 11 PM37°F3°C67%32.0°F0.0°CToo warm
Sat 12 AM37°F3°C67%32.0°F0.0°CToo warm
Sat 1 AM35°F2°C69%30.4°F−0.9°CToo warm
Sat 2 AM34°F1°C72%29.9°F−1.2°CToo warm
Sat 3 AM33°F1°C72%28.9°F−1.7°CToo warm
Sat 4 AM33°F1°C75%29.3°F−1.5°CToo warm
Sat 5 AM33°F1°C75%29.3°F−1.5°CToo warm
Sat 6 AM33°F1°C75%29.3°F−1.5°CToo warm
Sat 7 AM32°F0°C78%28.7°F−1.8°CToo warm
Sat 8 AM33°F1°C78%29.7°F−1.3°CToo warm
Sat 9 AM35°F2°C75%31.2°F−0.4°CToo warm
Sat 10 AM37°F3°C75%33.1°F0.6°CToo warm
Sat 11 AM39°F4°C73%34.7°F1.5°CToo warm
Sat 12 PM41°F5°C70%36.2°F2.3°CToo warm
Sat 1 PM43°F6°C62%36.8°F2.7°CToo warm
Sat 2 PM43°F6°C60%36.6°F2.5°CToo warm
Sat 3 PM43°F6°C57%36.1°F2.3°CToo warm
Sat 4 PM41°F5°C59%34.6°F1.5°CToo warm
Sat 5 PM39°F4°C62%33.2°F0.7°CToo warm

Right now

Chance of light rain showers
51°F11°C
Wind
3 mph6 km/h
Humidity
66%
Precipitation
48% chance

Nearest station KGNB at 5:35 PM: Clear, 53°F12°C, 63% humidity (46°F8°C wet-bulb), wind 5 mph8 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 38°F3°C Chance Rain Showers
  2. Fri 55°F13°C 32°F0°C Mostly Sunny
  3. Sat 45°F7°C 30°F−1°C Chance Snow Showers
  4. Sun 48°F9°C 30°F−1°C Chance Rain And Snow Showers
  5. Mon 46°F8°C 28°F−2°C Chance Snow Showers
  6. Tue 49°F9°C 28°F−2°C Mostly Sunny
  7. Wed 48°F9°C 28°F−2°C Mostly Sunny
  8. Thu 50°F10°C Mostly Sunny

Forecast for 6 PM · NOAA grid updated 12:46 PM · grid elevation 9,396 ft

Checked at the base area (9,000 ft); the summit (12,060 ft) is usually colder.

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