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

36°F2°C wet-bulb in Mission Ridge, WA

44°F7°C air · 48% humidity

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

Next snowmaking window: tomorrow 2 AM – 3 PM.

Next 48 hours wet-bulb by hour; columns below the line are snowmaking hours
28°F−2°C 21°F−6°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 PM44°F7°C48%35.7°F2.1°CToo warm
Thu 6 PM42°F6°C51%34.4°F1.4°CToo warm
Thu 7 PM41°F5°C54%34.0°F1.1°CToo warm
Thu 8 PM41°F5°C56%34.2°F1.2°CToo warm
Thu 9 PM40°F4°C59%33.7°F1.0°CToo warm
Thu 10 PM39°F4°C62%33.2°F0.7°CToo warm
Thu 11 PM38°F3°C61%32.2°F0.1°CToo warm
Fri 12 AM37°F3°C54%30.5°F−0.9°CToo warm
Fri 1 AM36°F2°C52%29.4°F−1.5°CToo warm
Fri 2 AM34°F1°C50%27.4°F−2.5°CMarginal
Fri 3 AM33°F1°C53%26.8°F−2.9°CMarginal
Fri 4 AM33°F1°C43%26.0°F−3.4°CMarginal
Fri 5 AM31°F−1°C48%24.7°F−4.1°CGreat
Fri 6 AM30°F−1°C54%24.3°F−4.3°CGreat
Fri 7 AM29°F−2°C58%23.8°F−4.6°CGreat
Fri 8 AM28°F−2°C60%23.1°F−5.0°CGreat
Fri 9 AM29°F−2°C57%23.7°F−4.6°CGreat
Fri 10 AM29°F−2°C55%23.5°F−4.7°CGreat
Fri 11 AM31°F−1°C50%24.8°F−4.0°CMarginal
Fri 12 PM33°F1°C44%26.0°F−3.3°CMarginal
Fri 1 PM34°F1°C41%26.6°F−3.0°CMarginal
Fri 2 PM35°F2°C41%27.4°F−2.5°CMarginal
Fri 3 PM36°F2°C43%28.4°F−2.0°CToo warm
Fri 4 PM35°F2°C44%27.7°F−2.4°CMarginal
Fri 5 PM34°F1°C51%27.5°F−2.5°CMarginal
Fri 6 PM32°F0°C53%26.0°F−3.3°CMarginal
Fri 7 PM30°F−1°C54%24.3°F−4.3°CGreat
Fri 8 PM30°F−1°C48%23.8°F−4.5°CGreat
Fri 9 PM30°F−1°C51%24.1°F−4.4°CGreat
Fri 10 PM29°F−2°C54%23.4°F−4.8°CGreat
Fri 11 PM29°F−2°C53%23.4°F−4.8°CGreat
Sat 12 AM29°F−2°C49%23.0°F−5.0°CGreat
Sat 1 AM28°F−2°C51%22.3°F−5.4°CGreat
Sat 2 AM28°F−2°C52%22.4°F−5.3°CGreat
Sat 3 AM28°F−2°C55%22.6°F−5.2°CGreat
Sat 4 AM28°F−2°C57%22.8°F−5.1°CGreat
Sat 5 AM28°F−2°C57%22.8°F−5.1°CGreat
Sat 6 AM26°F−3°C58%21.1°F−6.0°CGreat
Sat 7 AM26°F−3°C57%21.0°F−6.1°CGreat
Sat 8 AM26°F−3°C56%21.0°F−6.1°CGreat
Sat 9 AM27°F−3°C56%21.8°F−5.6°CGreat
Sat 10 AM28°F−2°C57%22.8°F−5.1°CGreat
Sat 11 AM30°F−1°C58%24.7°F−4.1°CGreat
Sat 12 PM31°F−1°C58%25.6°F−3.6°CMarginal
Sat 1 PM32°F0°C59%26.6°F−3.0°CMarginal
Sat 2 PM33°F1°C61%27.7°F−2.4°CMarginal
Sat 3 PM32°F0°C66%27.3°F−2.6°CMarginal
Sat 4 PM31°F−1°C72%27.1°F−2.7°CMarginal

Right now

Mostly cloudy
44°F7°C feels like 40°F4°C
Wind
6 mph9 km/h, gusts 15 mph24 km/h
Humidity
48%
Precipitation
1% 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 49°F9°C 28°F−2°C Mostly Cloudy
  2. Fri 36°F2°C 26°F−3°C Sunny
  3. Sat 33°F1°C 27°F−3°C Mostly Sunny
  4. Sun 31°F−1°C 28°F−2°C Slight Chance Snow Showers
  5. Mon 32°F0°C 27°F−3°C Slight Chance Snow Showers
  6. Tue 32°F0°C 26°F−3°C Partly Sunny
  7. Wed 32°F0°C 26°F−3°C Mostly Sunny

Forecast for 5 PM · NOAA grid updated 3:52 PM · grid elevation 6,257 ft

Checked at the base area (4,570 ft); the summit (6,820 ft) is usually colder.

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