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.

Can they make snow at Sugar Bowl?

NO

Too warm to make snow at Sugar Bowl, CA

Base: 37°F3°C air · 76% humidity

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

Next snowmaking window: tomorrow night 11 PM onward.

Next 48 hours wet-bulb by hour; columns below the line are snowmaking hours
28°F−2°C 23°F−5°C Now Mon Tue

Use the left and right arrow keys to step through hours.

  • Ideal
  • Great
  • Marginal
  • Too warm
  • Night
Hourly table
HourAirHumidityWet-bulbSnowmaking
Sun 9 AM37°F3°C76%33.2°F0.7°CToo warm
Sun 10 AM44°F7°C64%38.0°F3.4°CToo warm
Sun 11 AM48°F9°C53%39.9°F4.4°CToo warm
Sun 12 PM50°F10°C48%40.9°F4.9°CToo warm
Sun 1 PM52°F11°C44%41.9°F5.5°CToo warm
Sun 2 PM53°F12°C44%42.7°F5.9°CToo warm
Sun 3 PM53°F12°C46%43.1°F6.1°CToo warm
Sun 4 PM53°F12°C53%44.3°F6.8°CToo warm
Sun 5 PM50°F10°C59%42.7°F5.9°CToo warm
Sun 6 PM47°F8°C67%41.3°F5.1°CToo warm
Sun 7 PM45°F7°C73%40.3°F4.6°CToo warm
Sun 8 PM41°F5°C77%37.2°F2.9°CToo warm
Sun 9 PM39°F4°C77%35.3°F1.8°CToo warm
Sun 10 PM39°F4°C78%35.4°F1.9°CToo warm
Sun 11 PM37°F3°C80%33.8°F1.0°CToo warm
Mon 12 AM36°F2°C83%33.3°F0.7°CToo warm
Mon 1 AM36°F2°C85%33.5°F0.9°CToo warm
Mon 2 AM36°F2°C83%33.3°F0.7°CToo warm
Mon 3 AM36°F2°C82%33.1°F0.6°CToo warm
Mon 4 AM35°F2°C83%32.3°F0.2°CToo warm
Mon 5 AM35°F2°C83%32.3°F0.2°CToo warm
Mon 6 AM35°F2°C86%32.7°F0.4°CToo warm
Mon 7 AM35°F2°C88%33.0°F0.6°CToo warm
Mon 8 AM34°F1°C92%32.6°F0.3°CToo warm
Mon 9 AM37°F3°C84%34.4°F1.3°CToo warm
Mon 10 AM41°F5°C77%37.2°F2.9°CToo warm
Mon 11 AM41°F5°C69%36.0°F2.2°CToo warm
Mon 12 PM43°F6°C63%37.0°F2.8°CToo warm
Mon 1 PM45°F7°C55%37.6°F3.1°CToo warm
Mon 2 PM45°F7°C53%37.3°F3.0°CToo warm
Mon 3 PM46°F8°C53%38.2°F3.4°CToo warm
Mon 4 PM46°F8°C59%39.1°F3.9°CToo warm
Mon 5 PM43°F6°C61%36.7°F2.6°CToo warm
Mon 6 PM41°F5°C67%35.7°F2.1°CToo warm
Mon 7 PM38°F3°C72%33.6°F0.9°CToo warm
Mon 8 PM35°F2°C76%31.3°F−0.4°CToo warm
Mon 9 PM33°F1°C79%29.8°F−1.2°CToo warm
Mon 10 PM32°F0°C80%29.0°F−1.7°CToo warm
Mon 11 PM31°F−1°C80%28.0°F−2.2°CMarginal
Tue 12 AM30°F−1°C79%26.9°F−2.8°CMarginal
Tue 1 AM30°F−1°C76%26.6°F−3.0°CMarginal
Tue 2 AM29°F−2°C73%25.3°F−3.7°CMarginal
Tue 3 AM29°F−2°C71%25.1°F−3.8°CMarginal
Tue 4 AM28°F−2°C68%23.8°F−4.5°CGreat
Tue 5 AM28°F−2°C66%23.6°F−4.6°CGreat
Tue 6 AM27°F−3°C66%22.7°F−5.2°CGreat
Tue 7 AM28°F−2°C65%23.5°F−4.7°CGreat
Tue 8 AM29°F−2°C62%24.2°F−4.4°CGreat

Right now at the base

Areas frost
37°F3°C
Wind
3 mph6 km/h
Humidity
76%
Precipitation
0% chance

Snow forecast new snow at the base, 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. Today 55°F13°C 33°F1°C Areas Of Frost then Mostly Sunny
  2. Mon 48°F9°C 27°F−3°C Mostly Sunny
  3. Tue 53°F12°C 30°F−1°C Sunny
  4. Wed 52°F11°C 31°F−1°C Mostly Sunny
  5. Thu 48°F9°C 28°F−2°C Chance Light Snow ❄︎ <0.5″<1.3 cm
  6. Fri 41°F5°C 25°F−4°C Chance Light Snow ❄︎ 1–3″3–6 cm
  7. Sat 39°F4°C 24°F−4°C Chance Light Snow ❄︎ 1–2″3–5 cm

Forecast for 9 AM · NOAA grid updated 2:01 AM

About this forecast

Sugar Bowl is a ski resort in California with a base at 6,883 ft and a summit at 8,383 ft, 1,500 ft of vertical. This page checks NOAA's hourly forecast at the base and the summit every time you load it and works out the wet-bulb temperature, which is what decides whether snow guns can run. Snowmakers can start below 28°F−2°C wet-bulb, and make good snow below 25°F−4°C.

Other ski resorts in California

All ski resorts by state →

Base: NOAA's forecast for the base area (forecast grid elevation 6,982 ft). Summit: NOAA's forecast for the top of the mountain (forecast grid elevation 7,067 ft).

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