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 Brighton, UT

44°F7°C air · 93% humidity

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

Next snowmaking window: Sat 8 AM – 10 AM.

Next 48 hours wet-bulb by hour; columns below the line are snowmaking hours
28°F−2°C 28°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 PM44°F7°C93%42.6°F5.9°CToo warm
Thu 7 PM43°F6°C89%41.0°F5.0°CToo warm
Thu 8 PM43°F6°C88%40.8°F4.9°CToo warm
Thu 9 PM43°F6°C86%40.5°F4.7°CToo warm
Thu 10 PM43°F6°C86%40.5°F4.7°CToo warm
Thu 11 PM43°F6°C88%40.8°F4.9°CToo warm
Fri 12 AM42°F6°C91%40.3°F4.6°CToo warm
Fri 1 AM42°F6°C91%40.3°F4.6°CToo warm
Fri 2 AM41°F5°C91%39.4°F4.1°CToo warm
Fri 3 AM40°F4°C90%38.2°F3.4°CToo warm
Fri 4 AM39°F4°C89%37.1°F2.8°CToo warm
Fri 5 AM37°F3°C90%35.3°F1.8°CToo warm
Fri 6 AM36°F2°C90%34.3°F1.3°CToo warm
Fri 7 AM35°F2°C88%33.0°F0.6°CToo warm
Fri 8 AM34°F1°C87%31.9°F−0.1°CToo warm
Fri 9 AM34°F1°C86%31.7°F−0.2°CToo warm
Fri 10 AM34°F1°C90%32.3°F0.2°CToo warm
Fri 11 AM34°F1°C89%32.2°F0.1°CToo warm
Fri 12 PM34°F1°C88%32.0°F0.0°CToo warm
Fri 1 PM35°F2°C88%33.0°F0.6°CToo warm
Fri 2 PM36°F2°C85%33.5°F0.9°CToo warm
Fri 3 PM37°F3°C86%34.7°F1.5°CToo warm
Fri 4 PM37°F3°C85%34.5°F1.4°CToo warm
Fri 5 PM36°F2°C86%33.7°F0.9°CToo warm
Fri 6 PM35°F2°C92%33.6°F0.9°CToo warm
Fri 7 PM32°F0°C98%31.5°F−0.3°CToo warm
Fri 8 PM32°F0°C99%31.6°F−0.2°CToo warm
Fri 9 PM32°F0°C95%31.0°F−0.5°CToo warm
Fri 10 PM32°F0°C95%31.0°F−0.5°CToo warm
Fri 11 PM32°F0°C91%30.5°F−0.9°CToo warm
Sat 12 AM32°F0°C89%30.2°F−1.0°CToo warm
Sat 1 AM32°F0°C86%29.8°F−1.2°CToo warm
Sat 2 AM33°F1°C80%30.0°F−1.1°CToo warm
Sat 3 AM33°F1°C80%30.0°F−1.1°CToo warm
Sat 4 AM33°F1°C80%30.0°F−1.1°CToo warm
Sat 5 AM32°F0°C83%29.4°F−1.5°CToo warm
Sat 6 AM32°F0°C84%29.5°F−1.4°CToo warm
Sat 7 AM32°F0°C82%29.2°F−1.5°CToo warm
Sat 8 AM31°F−1°C82%28.3°F−2.1°CMarginal
Sat 9 AM31°F−1°C82%28.3°F−2.1°CMarginal
Sat 10 AM32°F0°C80%29.0°F−1.7°CToo warm
Sat 11 AM35°F2°C76%31.3°F−0.4°CToo warm
Sat 12 PM37°F3°C73%32.8°F0.5°CToo warm
Sat 1 PM39°F4°C71%34.4°F1.3°CToo warm
Sat 2 PM40°F4°C70%35.2°F1.8°CToo warm
Sat 3 PM40°F4°C71%35.4°F1.9°CToo warm
Sat 4 PM39°F4°C75%35.0°F1.7°CToo warm
Sat 5 PM38°F3°C81%34.9°F1.6°CToo warm

Right now

Chance of thunderstorms and rain showers
44°F7°C feels like 38°F3°C
Wind
12 mph19 km/h, gusts 28 mph44 km/h
Humidity
93%
Precipitation
40% chance

Snow forecast new snow, NOAA forecast

Next 24 h
0.2″0.5 cm
Next 48 h
0.3″0.8 cm
Next 72 h
0.3″0.8 cm
0.2″0.5 cm Now Fri Sat Sun

Use the left and right arrow keys to step through 6-hour periods.

Snowfall table
PeriodNew snow
Thu 6 PM – 12 AM0″0 cm
Fri 12 AM – 6 AM0″0 cm
Fri 6 AM – 12 PM0.2″0.5 cm
Fri 12 PM – 6 PM0″0 cm
Fri 6 PM – 12 AM0.1″0.3 cm
Sat 12 AM – 6 AM0″0 cm
Sat 6 AM – 12 PM0″0 cm
Sat 12 PM – 6 PM0″0 cm
Sat 6 PM – 12 AM0″0 cm
Sun 12 AM – 6 AM0″0 cm
Sun 6 AM – 12 PM0″0 cm
Sun 12 PM – 6 PM0″0 cm

7-day outlook

  1. Tonight 34°F1°C Chance Showers And Thunderstorms then Chance T-storms
  2. Fri 37°F3°C 30°F−1°C Snow Showers Likely ❄︎ <0.5″<1.3 cm
  3. Sat 40°F4°C 30°F−1°C Partly Sunny
  4. Sun 40°F4°C 31°F−1°C Slight Chance Light Snow
  5. Mon 45°F7°C 31°F−1°C Mostly Sunny
  6. Tue 43°F6°C 30°F−1°C Slight Chance Light Snow
  7. Wed 43°F6°C 33°F1°C Mostly Sunny
  8. Thu 46°F8°C Mostly Sunny

Forecast for 6 PM · NOAA grid updated 12:31 PM · grid elevation 8,757 ft

Checked at the base area (8,755 ft); the summit (10,500 ft) is usually colder.

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