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 Winter Park Resort?

NO

Too warm to make snow at Winter Park Resort, CO

Base: 42°F6°C air · 60% humidity

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

Next snowmaking window: tomorrow 8 AM – 9 AM.

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 10 AM42°F6°C60%35.7°F2.0°CToo warm
Sun 11 AM44°F7°C53%36.4°F2.5°CToo warm
Sun 12 PM48°F9°C46%38.8°F3.8°CToo warm
Sun 1 PM48°F9°C46%38.8°F3.8°CToo warm
Sun 2 PM48°F9°C44%38.5°F3.6°CToo warm
Sun 3 PM47°F8°C45%37.8°F3.2°CToo warm
Sun 4 PM46°F8°C49%37.6°F3.1°CToo warm
Sun 5 PM44°F7°C55%36.7°F2.6°CToo warm
Sun 6 PM41°F5°C67%35.7°F2.1°CToo warm
Sun 7 PM36°F2°C82%33.1°F0.6°CToo warm
Sun 8 PM35°F2°C85%32.6°F0.3°CToo warm
Sun 9 PM35°F2°C89%33.1°F0.6°CToo warm
Sun 10 PM34°F1°C89%32.2°F0.1°CToo warm
Sun 11 PM33°F1°C92%31.6°F−0.2°CToo warm
Mon 12 AM33°F1°C92%31.6°F−0.2°CToo warm
Mon 1 AM32°F0°C92%30.6°F−0.8°CToo warm
Mon 2 AM32°F0°C92%30.6°F−0.8°CToo warm
Mon 3 AM32°F0°C92%30.6°F−0.8°CToo warm
Mon 4 AM32°F0°C89%30.2°F−1.0°CToo warm
Mon 5 AM31°F−1°C92%29.6°F−1.3°CToo warm
Mon 6 AM31°F−1°C96%30.2°F−1.0°CToo warm
Mon 7 AM30°F−1°C92%28.6°F−1.9°CToo warm
Mon 8 AM30°F−1°C88%28.1°F−2.2°CMarginal
Mon 9 AM31°F−1°C88%29.1°F−1.6°CToo warm
Mon 10 AM36°F2°C79%32.7°F0.4°CToo warm
Mon 11 AM39°F4°C73%34.7°F1.5°CToo warm
Mon 12 PM42°F6°C62%35.9°F2.2°CToo warm
Mon 1 PM45°F7°C58%38.1°F3.4°CToo warm
Mon 2 PM45°F7°C51%37.0°F2.8°CToo warm
Mon 3 PM46°F8°C43%36.7°F2.6°CToo warm
Mon 4 PM45°F7°C43%35.9°F2.2°CToo warm
Mon 5 PM44°F7°C43%35.1°F1.7°CToo warm
Mon 6 PM40°F4°C48%32.3°F0.2°CToo warm
Mon 7 PM36°F2°C54%29.6°F−1.3°CToo warm
Mon 8 PM34°F1°C58%28.2°F−2.1°CMarginal
Mon 9 PM33°F1°C63%27.9°F−2.3°CMarginal
Mon 10 PM32°F0°C66%27.3°F−2.6°CMarginal
Mon 11 PM31°F−1°C66%26.4°F−3.1°CMarginal
Tue 12 AM30°F−1°C66%25.5°F−3.6°CMarginal
Tue 1 AM29°F−2°C66%24.6°F−4.1°CGreat
Tue 2 AM29°F−2°C63%24.3°F−4.3°CGreat
Tue 3 AM29°F−2°C60%24.0°F−4.5°CGreat
Tue 4 AM28°F−2°C60%23.1°F−5.0°CGreat
Tue 5 AM28°F−2°C60%23.1°F−5.0°CGreat
Tue 6 AM29°F−2°C58%23.8°F−4.6°CGreat
Tue 7 AM30°F−1°C55%24.4°F−4.2°CGreat
Tue 8 AM32°F0°C51%25.8°F−3.4°CMarginal
Tue 9 AM34°F1°C47%27.1°F−2.7°CMarginal

Right now at the base

Mostly clear
42°F6°C
Wind
3 mph6 km/h
Humidity
60%
Precipitation
11% chance

Nearest station KGNB at 9:15 AM: Clear, 36°F2°C, 72% humidity (32°F0°C wet-bulb), wind 0 mph0 km/h.

Snow forecast new snow at the base, NOAA forecast

Next 24 h
0.5″1.2 cm
Next 48 h
0.5″1.3 cm
Next 72 h
0.5″1.3 cm
0.3″0.7 cm Now Mon Tue Wed

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

Snowfall table
PeriodNew snow
Sun 10 AM – 4 PM0″0 cm
Sun 4 PM – 10 PM0″0 cm
Sun 10 PM – 4 AM0.3″0.7 cm
Mon 4 AM – 10 AM0.2″0.5 cm
Mon 10 AM – 4 PM0.0″0.1 cm
Mon 4 PM – 10 PM0″0 cm
Mon 10 PM – 4 AM0″0 cm
Tue 4 AM – 10 AM0″0 cm
Tue 10 AM – 4 PM0″0 cm
Tue 4 PM – 10 PM0″0 cm
Tue 10 PM – 4 AM0″0 cm
Wed 4 AM – 10 AM0″0 cm

7-day outlook

  1. Today 48°F9°C 30°F−1°C Mostly Sunny then Slight Chance Rain And Snow Showers ❄︎ <0.5″<1.3 cm
  2. Mon 46°F8°C 27°F−3°C Slight Chance Snow Showers then Mostly Sunny
  3. Tue 49°F9°C 27°F−3°C Sunny
  4. Wed 52°F11°C 29°F−2°C Sunny
  5. Thu 54°F12°C 31°F−1°C Mostly Sunny
  6. Fri 53°F12°C 32°F0°C Partly Sunny
  7. Sat 48°F9°C 29°F−2°C Chance Rain And Snow Showers

Forecast for 10 AM · NOAA grid updated 12:46 AM

About this forecast

Winter Park Resort is a ski resort in Colorado with a base at 9,000 ft and a summit at 12,060 ft, 3,060 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 Colorado

All ski resorts by state →

Base: NOAA's forecast for the base area (forecast grid elevation 9,396 ft). Summit: NOAA's forecast for the top of the mountain (forecast grid elevation 11,253 ft).

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