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 Mission Ridge?

YES

Snowmaking possible at the summit of Mission Ridge, WA

Summit: 28°F−2°C air · 63% humidity

Great snowmaking conditions
Colder Snowmaking line 28°F−2°C Warmer

Snowmaking conditions now, until today 2 PM.

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 AM28°F−2°C63%23.3°F−4.8°CGreat
Sun 10 AM28°F−2°C73%24.4°F−4.2°CGreat
Sun 11 AM28°F−2°C77%24.8°F−4.0°CMarginal
Sun 12 PM30°F−1°C80%27.1°F−2.7°CMarginal
Sun 1 PM30°F−1°C85%27.7°F−2.4°CMarginal
Sun 2 PM30°F−1°C91%28.5°F−2.0°CToo warm
Sun 3 PM31°F−1°C91%29.5°F−1.4°CToo warm
Sun 4 PM30°F−1°C91%28.5°F−2.0°CToo warm
Sun 5 PM29°F−2°C95%28.0°F−2.2°CMarginal
Sun 6 PM30°F−1°C90%28.4°F−2.0°CMarginal
Sun 7 PM30°F−1°C74%26.4°F−3.1°CMarginal
Sun 8 PM31°F−1°C65%26.3°F−3.2°CMarginal
Sun 9 PM32°F0°C67%27.4°F−2.5°CMarginal
Sun 10 PM32°F0°C66%27.3°F−2.6°CMarginal
Sun 11 PM33°F1°C66%28.2°F−2.1°CMarginal
Mon 12 AM33°F1°C64%28.0°F−2.2°CMarginal
Mon 1 AM33°F1°C68%28.5°F−2.0°CToo warm
Mon 2 AM33°F1°C69%28.6°F−1.9°CToo warm
Mon 3 AM33°F1°C72%28.9°F−1.7°CToo warm
Mon 4 AM33°F1°C73%29.1°F−1.6°CToo warm
Mon 5 AM33°F1°C74%29.2°F−1.6°CToo warm
Mon 6 AM32°F0°C77%28.6°F−1.9°CToo warm
Mon 7 AM30°F−1°C78%26.8°F−2.9°CMarginal
Mon 8 AM32°F0°C78%28.7°F−1.8°CToo warm
Mon 9 AM32°F0°C86%29.8°F−1.2°CToo warm
Mon 10 AM29°F−2°C100%28.7°F−1.8°CToo warm
Mon 11 AM29°F−2°C100%28.7°F−1.8°CToo warm
Mon 12 PM30°F−1°C100%29.7°F−1.3°CToo warm
Mon 1 PM31°F−1°C100%30.8°F−0.7°CToo warm
Mon 2 PM31°F−1°C100%30.8°F−0.7°CToo warm
Mon 3 PM32°F0°C100%31.8°F−0.1°CToo warm
Mon 4 PM31°F−1°C100%30.8°F−0.7°CToo warm
Mon 5 PM31°F−1°C100%30.8°F−0.7°CToo warm
Mon 6 PM31°F−1°C100%30.8°F−0.7°CToo warm
Mon 7 PM30°F−1°C96%29.2°F−1.6°CToo warm
Mon 8 PM30°F−1°C91%28.5°F−2.0°CToo warm
Mon 9 PM30°F−1°C89%28.2°F−2.1°CMarginal
Mon 10 PM30°F−1°C87%28.0°F−2.2°CMarginal
Mon 11 PM30°F−1°C87%28.0°F−2.2°CMarginal
Tue 12 AM30°F−1°C86%27.8°F−2.3°CMarginal
Tue 1 AM30°F−1°C86%27.8°F−2.3°CMarginal
Tue 2 AM30°F−1°C86%27.8°F−2.3°CMarginal
Tue 3 AM30°F−1°C86%27.8°F−2.3°CMarginal
Tue 4 AM30°F−1°C87%28.0°F−2.2°CMarginal
Tue 5 AM30°F−1°C87%28.0°F−2.2°CMarginal
Tue 6 AM30°F−1°C87%28.0°F−2.2°CMarginal
Tue 7 AM30°F−1°C87%28.0°F−2.2°CMarginal
Tue 8 AM29°F−2°C88%27.1°F−2.7°CMarginal

Right now at the base

Mostly cloudy
37°F3°C feels like 34°F1°C
Wind
3 mph6 km/h
Humidity
70%
Precipitation
4% 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 41°F5°C 35°F2°C Mostly Cloudy then Slight Chance Rain And Snow Showers
  2. Mon 42°F6°C 35°F2°C Rain And Snow Showers Likely
  3. Tue 43°F6°C 33°F1°C Mostly Sunny
  4. Wed 38°F3°C 30°F−1°C Snow Showers Likely ❄︎ 1–2″3–5 cm
  5. Thu 35°F2°C 28°F−2°C Snow Showers Likely ❄︎ <2″<4 cm
  6. Fri 35°F2°C 26°F−3°C Chance Snow Showers
  7. Sat 36°F2°C 28°F−2°C Slight Chance Snow Showers

Forecast for 9 AM · NOAA grid updated 3:52 AM

About this forecast

Mission Ridge is a ski resort in Washington with a base at 4,570 ft and a summit at 6,820 ft, 2,250 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 Washington

All ski resorts by state →

Base: NOAA's forecast for the base area (forecast grid elevation 4,482 ft). Summit: NOAA's forecast for the top of the mountain (forecast grid elevation 6,257 ft).

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