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

48°F9°C wet-bulb in Schweitzer, ID

51°F11°C air · 86% humidity

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

No snowmaking window in the next 48 hours.

Next 48 hours wet-bulb by hour; columns below the line are snowmaking hours
28°F−2°C 29°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 5 PM51°F11°C86%48.3°F9.1°CToo warm
Thu 6 PM49°F9°C91%47.2°F8.5°CToo warm
Thu 7 PM48°F9°C92%46.4°F8.0°CToo warm
Thu 8 PM49°F9°C88%46.7°F8.2°CToo warm
Thu 9 PM48°F9°C91%46.3°F7.9°CToo warm
Thu 10 PM48°F9°C94%46.8°F8.2°CToo warm
Thu 11 PM47°F8°C95%46.0°F7.8°CToo warm
Fri 12 AM47°F8°C95%46.0°F7.8°CToo warm
Fri 1 AM47°F8°C95%46.0°F7.8°CToo warm
Fri 2 AM46°F8°C94%44.8°F7.1°CToo warm
Fri 3 AM46°F8°C94%44.8°F7.1°CToo warm
Fri 4 AM45°F7°C85%42.3°F5.7°CToo warm
Fri 5 AM44°F7°C83%41.0°F5.0°CToo warm
Fri 6 AM43°F6°C91%41.3°F5.2°CToo warm
Fri 7 AM42°F6°C91%40.3°F4.6°CToo warm
Fri 8 AM42°F6°C90%40.2°F4.5°CToo warm
Fri 9 AM42°F6°C100%41.8°F5.5°CToo warm
Fri 10 AM42°F6°C100%41.8°F5.5°CToo warm
Fri 11 AM42°F6°C100%41.8°F5.5°CToo warm
Fri 12 PM42°F6°C100%41.8°F5.5°CToo warm
Fri 1 PM41°F5°C100%40.8°F4.9°CToo warm
Fri 2 PM41°F5°C98%40.5°F4.7°CToo warm
Fri 3 PM42°F6°C85%39.4°F4.1°CToo warm
Fri 4 PM41°F5°C56%34.2°F1.2°CToo warm
Fri 5 PM39°F4°C60%33.0°F0.5°CToo warm
Fri 6 PM38°F3°C64%32.6°F0.3°CToo warm
Fri 7 PM37°F3°C68%32.2°F0.1°CToo warm
Fri 8 PM38°F3°C71%33.5°F0.8°CToo warm
Fri 9 PM37°F3°C75%33.1°F0.6°CToo warm
Fri 10 PM36°F2°C79%32.7°F0.4°CToo warm
Fri 11 PM36°F2°C79%32.7°F0.4°CToo warm
Sat 12 AM36°F2°C79%32.7°F0.4°CToo warm
Sat 1 AM35°F2°C79%31.7°F−0.1°CToo warm
Sat 2 AM35°F2°C76%31.3°F−0.4°CToo warm
Sat 3 AM34°F1°C74%30.1°F−1.0°CToo warm
Sat 4 AM34°F1°C74%30.1°F−1.0°CToo warm
Sat 5 AM33°F1°C76%29.4°F−1.4°CToo warm
Sat 6 AM32°F0°C79%28.9°F−1.7°CToo warm
Sat 7 AM32°F0°C77%28.6°F−1.9°CToo warm
Sat 8 AM33°F1°C74%29.2°F−1.6°CToo warm
Sat 9 AM34°F1°C73%30.0°F−1.1°CToo warm
Sat 10 AM35°F2°C73%30.9°F−0.6°CToo warm
Sat 11 AM36°F2°C72%31.8°F−0.1°CToo warm
Sat 12 PM38°F3°C69%33.2°F0.7°CToo warm
Sat 1 PM38°F3°C67%33.0°F0.5°CToo warm
Sat 2 PM39°F4°C65%33.6°F0.9°CToo warm
Sat 3 PM38°F3°C66%32.8°F0.5°CToo warm
Sat 4 PM37°F3°C67%32.0°F0.0°CToo warm

Right now

Light rain showers
51°F11°C
Wind
3 mph6 km/h
Humidity
86%
Precipitation
91% 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 56°F13°C 42°F6°C Rain Showers
  2. Fri 43°F6°C 32°F0°C Chance Light Rain then Mostly Sunny
  3. Sat 39°F4°C 33°F1°C Mostly Sunny
  4. Sun 40°F4°C 32°F0°C Partly Sunny
  5. Mon 39°F4°C 32°F0°C Slight Chance Rain And Snow Showers ❄︎ <0.5″<1.3 cm
  6. Tue 37°F3°C 31°F−1°C Chance Rain And Snow Showers
  7. Wed 37°F3°C 29°F−2°C Slight Chance Rain And Snow Showers

Forecast for 5 PM · NOAA grid updated 3:52 PM · grid elevation 4,783 ft

Checked at the base area (4,700 ft); the summit (6,400 ft) is usually colder.

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