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

42°F5°C wet-bulb in Sugar Bowl, CA

42°F6°C air · 100% 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 5 PM42°F6°C100%41.8°F5.5°CToo warm
Thu 6 PM41°F5°C100%40.8°F4.9°CToo warm
Thu 7 PM39°F4°C100%38.8°F3.8°CToo warm
Thu 8 PM39°F4°C99%38.6°F3.7°CToo warm
Thu 9 PM39°F4°C97%38.3°F3.5°CToo warm
Thu 10 PM38°F3°C96%37.2°F2.9°CToo warm
Thu 11 PM38°F3°C96%37.2°F2.9°CToo warm
Fri 12 AM37°F3°C100%36.8°F2.7°CToo warm
Fri 1 AM37°F3°C100%36.8°F2.7°CToo warm
Fri 2 AM37°F3°C100%36.8°F2.7°CToo warm
Fri 3 AM37°F3°C100%36.8°F2.7°CToo warm
Fri 4 AM37°F3°C100%36.8°F2.7°CToo warm
Fri 5 AM36°F2°C100%35.8°F2.1°CToo warm
Fri 6 AM35°F2°C100%34.8°F1.5°CToo warm
Fri 7 AM34°F1°C100%33.8°F1.0°CToo warm
Fri 8 AM33°F1°C100%32.8°F0.4°CToo warm
Fri 9 AM36°F2°C100%35.8°F2.1°CToo warm
Fri 10 AM38°F3°C99%37.6°F3.1°CToo warm
Fri 11 AM40°F4°C86%37.6°F3.1°CToo warm
Fri 12 PM42°F6°C68%36.8°F2.7°CToo warm
Fri 1 PM45°F7°C53%37.3°F3.0°CToo warm
Fri 2 PM47°F8°C45%37.8°F3.2°CToo warm
Fri 3 PM48°F9°C44%38.5°F3.6°CToo warm
Fri 4 PM48°F9°C44%38.5°F3.6°CToo warm
Fri 5 PM46°F8°C46%37.2°F2.9°CToo warm
Fri 6 PM43°F6°C52%35.4°F1.9°CToo warm
Fri 7 PM41°F5°C58%34.5°F1.4°CToo warm
Fri 8 PM37°F3°C61%31.3°F−0.4°CToo warm
Fri 9 PM36°F2°C63%30.6°F−0.8°CToo warm
Fri 10 PM35°F2°C64%29.8°F−1.2°CToo warm
Fri 11 PM34°F1°C65%29.0°F−1.6°CToo warm
Sat 12 AM33°F1°C68%28.5°F−2.0°CToo warm
Sat 1 AM32°F0°C71%27.9°F−2.3°CMarginal
Sat 2 AM32°F0°C71%27.9°F−2.3°CMarginal
Sat 3 AM32°F0°C71%27.9°F−2.3°CMarginal
Sat 4 AM31°F−1°C72%27.1°F−2.7°CMarginal
Sat 5 AM30°F−1°C75%26.5°F−3.1°CMarginal
Sat 6 AM29°F−2°C78%25.9°F−3.4°CMarginal
Sat 7 AM29°F−2°C81%26.2°F−3.2°CMarginal
Sat 8 AM29°F−2°C82%26.4°F−3.1°CMarginal
Sat 9 AM33°F1°C76%29.4°F−1.4°CToo warm
Sat 10 AM38°F3°C67%33.0°F0.5°CToo warm
Sat 11 AM43°F6°C56%36.0°F2.2°CToo warm
Sat 12 PM47°F8°C47%38.1°F3.4°CToo warm
Sat 1 PM51°F11°C40%40.4°F4.6°CToo warm
Sat 2 PM53°F12°C35%41.1°F5.0°CToo warm
Sat 3 PM54°F12°C34%41.7°F5.4°CToo warm
Sat 4 PM54°F12°C37%42.2°F5.7°CToo warm

Right now

Light rain
42°F6°C feels like 38°F3°C
Wind
7 mph11 km/h, gusts 20 mph31 km/h
Humidity
100%
Precipitation
75% 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. This Afternoon 44°F7°C 32°F0°C Light Rain
  2. Fri 48°F9°C 27°F−3°C Areas Of Fog then Mostly Sunny
  3. Sat 54°F12°C 30°F−1°C Sunny
  4. Sun 57°F14°C 32°F0°C Widespread Frost then Sunny
  5. Mon 55°F13°C 31°F−1°C Mostly Sunny
  6. Tue 56°F13°C 32°F0°C Sunny
  7. Wed 56°F13°C 33°F1°C Mostly Sunny

Forecast for 5 PM · NOAA grid updated 2:01 PM · grid elevation 6,982 ft

Checked at the base area (6,883 ft); the summit (8,383 ft) is usually colder.

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