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

44°F7°C wet-bulb in Whitefish Mountain, MT

51°F11°C air · 63% humidity

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

Next snowmaking window: tomorrow night 9 PM – 11 AM.

Next 48 hours wet-bulb by hour; columns below the line are snowmaking hours
28°F−2°C 26°F−3°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 PM51°F11°C63%44.3°F6.8°CToo warm
Thu 7 PM49°F9°C62%42.3°F5.7°CToo warm
Thu 8 PM48°F9°C61%41.2°F5.1°CToo warm
Thu 9 PM48°F9°C62%41.4°F5.2°CToo warm
Thu 10 PM47°F8°C63%40.6°F4.8°CToo warm
Thu 11 PM47°F8°C64%40.8°F4.9°CToo warm
Fri 12 AM47°F8°C65%40.9°F5.0°CToo warm
Fri 1 AM47°F8°C64%40.8°F4.9°CToo warm
Fri 2 AM46°F8°C68%40.5°F4.7°CToo warm
Fri 3 AM46°F8°C70%40.8°F4.9°CToo warm
Fri 4 AM46°F8°C72%41.1°F5.1°CToo warm
Fri 5 AM46°F8°C74%41.5°F5.3°CToo warm
Fri 6 AM44°F7°C76%39.9°F4.4°CToo warm
Fri 7 AM42°F6°C81%38.7°F3.7°CToo warm
Fri 8 AM41°F5°C85%38.4°F3.6°CToo warm
Fri 9 AM37°F3°C91%35.4°F1.9°CToo warm
Fri 10 AM39°F4°C100%38.8°F3.8°CToo warm
Fri 11 AM38°F3°C100%37.8°F3.2°CToo warm
Fri 12 PM37°F3°C100%36.8°F2.7°CToo warm
Fri 1 PM40°F4°C100%39.8°F4.3°CToo warm
Fri 2 PM36°F2°C99%35.6°F2.0°CToo warm
Fri 3 PM35°F2°C92%33.6°F0.9°CToo warm
Fri 4 PM36°F2°C85%33.5°F0.9°CToo warm
Fri 5 PM34°F1°C83%31.3°F−0.4°CToo warm
Fri 6 PM32°F0°C85%29.6°F−1.3°CToo warm
Fri 7 PM31°F−1°C85%28.7°F−1.8°CToo warm
Fri 8 PM31°F−1°C83%28.4°F−2.0°CToo warm
Fri 9 PM31°F−1°C81%28.2°F−2.1°CMarginal
Fri 10 PM31°F−1°C80%28.0°F−2.2°CMarginal
Fri 11 PM31°F−1°C79%27.9°F−2.3°CMarginal
Sat 12 AM30°F−1°C77%26.7°F−2.9°CMarginal
Sat 1 AM30°F−1°C75%26.5°F−3.1°CMarginal
Sat 2 AM31°F−1°C74%27.3°F−2.6°CMarginal
Sat 3 AM31°F−1°C75%27.4°F−2.5°CMarginal
Sat 4 AM31°F−1°C78%27.8°F−2.3°CMarginal
Sat 5 AM31°F−1°C79%27.9°F−2.3°CMarginal
Sat 6 AM31°F−1°C79%27.9°F−2.3°CMarginal
Sat 7 AM31°F−1°C78%27.8°F−2.3°CMarginal
Sat 8 AM30°F−1°C79%26.9°F−2.8°CMarginal
Sat 9 AM29°F−2°C80%26.1°F−3.3°CMarginal
Sat 10 AM30°F−1°C82%27.3°F−2.6°CMarginal
Sat 11 AM31°F−1°C84%28.5°F−1.9°CToo warm
Sat 12 PM33°F1°C85%30.6°F−0.8°CToo warm
Sat 1 PM34°F1°C81%31.0°F−0.5°CToo warm
Sat 2 PM36°F2°C76%32.3°F0.2°CToo warm
Sat 3 PM37°F3°C73%32.8°F0.5°CToo warm
Sat 4 PM36°F2°C75%32.1°F0.1°CToo warm
Sat 5 PM35°F2°C79%31.7°F−0.1°CToo warm

Right now

Mostly cloudy
51°F11°C
Wind
1 mph2 km/h
Humidity
63%
Precipitation
3% 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. Tonight 35°F2°C Mostly Cloudy then Light Rain Likely
  2. Fri 44°F7°C 29°F−2°C Rain then Chance Rain And Snow
  3. Sat 37°F3°C 28°F−2°C Partly Sunny
  4. Sun 37°F3°C 25°F−4°C Partly Sunny
  5. Mon 39°F4°C 28°F−2°C Mostly Sunny ❄︎ <1″<3 cm
  6. Tue 36°F2°C 27°F−3°C Chance Light Snow ❄︎ 1–2″3–5 cm
  7. Wed 35°F2°C 25°F−4°C Chance Light Snow
  8. Thu 34°F1°C Slight Chance Light Snow

Forecast for 6 PM · NOAA grid updated 2:01 PM · grid elevation 5,279 ft

Checked at the base area (4,464 ft); the summit (6,817 ft) is usually colder.

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