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 Schweitzer?

YES

Snowmaking possible at the summit of Schweitzer, ID

Summit: 33°F1°C air · 63% humidity

Marginal: snowmakers can just barely run
Colder Snowmaking line 28°F−2°C Warmer

Snowmaking conditions now, until today 12 PM.

Next 48 hours wet-bulb by hour; columns below the line are snowmaking hours
28°F−2°C 27°F−3°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 AM33°F1°C63%27.9°F−2.3°CMarginal
Sun 10 AM33°F1°C64%28.0°F−2.2°CMarginal
Sun 11 AM33°F1°C66%28.2°F−2.1°CMarginal
Sun 12 PM33°F1°C75%29.3°F−1.5°CToo warm
Sun 1 PM33°F1°C74%29.2°F−1.6°CToo warm
Sun 2 PM34°F1°C70%29.6°F−1.3°CToo warm
Sun 3 PM35°F2°C69%30.4°F−0.9°CToo warm
Sun 4 PM34°F1°C70%29.6°F−1.3°CToo warm
Sun 5 PM33°F1°C72%28.9°F−1.7°CToo warm
Sun 6 PM33°F1°C73%29.1°F−1.6°CToo warm
Sun 7 PM33°F1°C68%28.5°F−2.0°CToo warm
Sun 8 PM34°F1°C63%28.8°F−1.8°CToo warm
Sun 9 PM34°F1°C62%28.7°F−1.8°CToo warm
Sun 10 PM34°F1°C61%28.6°F−1.9°CToo warm
Sun 11 PM35°F2°C59%29.2°F−1.5°CToo warm
Mon 12 AM35°F2°C60%29.4°F−1.5°CToo warm
Mon 1 AM35°F2°C59%29.2°F−1.5°CToo warm
Mon 2 AM35°F2°C57%29.0°F−1.7°CToo warm
Mon 3 AM35°F2°C55%28.8°F−1.8°CToo warm
Mon 4 AM34°F1°C56%28.0°F−2.2°CMarginal
Mon 5 AM34°F1°C59%28.4°F−2.0°CMarginal
Mon 6 AM34°F1°C61%28.6°F−1.9°CToo warm
Mon 7 AM33°F1°C59%27.5°F−2.5°CMarginal
Mon 8 AM34°F1°C57%28.1°F−2.1°CMarginal
Mon 9 AM33°F1°C60%27.6°F−2.5°CMarginal
Mon 10 AM33°F1°C61%27.7°F−2.4°CMarginal
Mon 11 AM33°F1°C63%27.9°F−2.3°CMarginal
Mon 12 PM33°F1°C73%29.1°F−1.6°CToo warm
Mon 1 PM33°F1°C74%29.2°F−1.6°CToo warm
Mon 2 PM34°F1°C75%30.3°F−1.0°CToo warm
Mon 3 PM34°F1°C81%31.0°F−0.5°CToo warm
Mon 4 PM33°F1°C89%31.2°F−0.5°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 PM32°F0°C97%31.3°F−0.4°CToo warm
Mon 8 PM32°F0°C94%30.9°F−0.6°CToo warm
Mon 9 PM33°F1°C92%31.6°F−0.2°CToo warm
Mon 10 PM33°F1°C92%31.6°F−0.2°CToo warm
Mon 11 PM34°F1°C91%32.4°F0.2°CToo warm
Tue 12 AM34°F1°C90%32.3°F0.2°CToo warm
Tue 1 AM34°F1°C89%32.2°F0.1°CToo warm
Tue 2 AM34°F1°C88%32.0°F0.0°CToo warm
Tue 3 AM34°F1°C87%31.9°F−0.1°CToo warm
Tue 4 AM34°F1°C87%31.9°F−0.1°CToo warm
Tue 5 AM34°F1°C87%31.9°F−0.1°CToo warm
Tue 6 AM35°F2°C86%32.7°F0.4°CToo warm
Tue 7 AM35°F2°C86%32.7°F0.4°CToo warm
Tue 8 AM35°F2°C87%32.8°F0.5°CToo warm

Right now at the base

Mostly cloudy
35°F2°C feels like 25°F−4°C
Wind
17 mph28 km/h, gusts 26 mph43 km/h
Humidity
59%
Precipitation
1% 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 39°F4°C 33°F1°C Partly Sunny
  2. Mon 39°F4°C 34°F1°C Chance Rain Showers
  3. Tue 37°F3°C 33°F1°C Rain And Snow Showers
  4. Wed 36°F2°C 30°F−1°C Snow Showers ❄︎ 1–3″3–8 cm
  5. Thu 33°F1°C 28°F−2°C Snow Showers Likely ❄︎ 1–3″3–8 cm
  6. Fri 31°F−1°C 26°F−3°C Chance Snow Showers ❄︎ <0.5″<1.3 cm
  7. Sat 31°F−1°C 26°F−3°C Slight Chance Snow Showers then Partly Sunny

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

About this forecast

Schweitzer is a ski resort in Idaho with a base at 4,700 ft and a summit at 6,400 ft, 1,700 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 Idaho

All ski resorts by state →

Base: NOAA's forecast for the base area (forecast grid elevation 4,783 ft). Summit: NOAA's forecast for the top of the mountain (forecast grid elevation 5,469 ft).

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