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 Mount Sunapee?

NO

Too warm to make snow at Mount Sunapee, NH

Base: 55°F13°C air · 37% 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 30°F−1°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 12 PM55°F13°C37%43.0°F6.1°CToo warm
Sun 1 PM57°F14°C33%43.8°F6.6°CToo warm
Sun 2 PM59°F15°C30%44.7°F7.0°CToo warm
Sun 3 PM59°F15°C32%45.1°F7.3°CToo warm
Sun 4 PM58°F14°C34%44.8°F7.1°CToo warm
Sun 5 PM57°F14°C38%44.8°F7.1°CToo warm
Sun 6 PM53°F12°C44%42.7°F5.9°CToo warm
Sun 7 PM47°F8°C60%40.1°F4.5°CToo warm
Sun 8 PM43°F6°C70%38.0°F3.3°CToo warm
Sun 9 PM41°F5°C76%37.0°F2.8°CToo warm
Sun 10 PM40°F4°C76%36.1°F2.3°CToo warm
Sun 11 PM39°F4°C79%35.6°F2.0°CToo warm
Mon 12 AM39°F4°C79%35.6°F2.0°CToo warm
Mon 1 AM38°F3°C82%35.0°F1.7°CToo warm
Mon 2 AM37°F3°C82%34.1°F1.2°CToo warm
Mon 3 AM37°F3°C82%34.1°F1.2°CToo warm
Mon 4 AM37°F3°C82%34.1°F1.2°CToo warm
Mon 5 AM36°F2°C85%33.5°F0.9°CToo warm
Mon 6 AM37°F3°C82%34.1°F1.2°CToo warm
Mon 7 AM37°F3°C82%34.1°F1.2°CToo warm
Mon 8 AM37°F3°C85%34.5°F1.4°CToo warm
Mon 9 AM43°F6°C76%38.9°F3.8°CToo warm
Mon 10 AM48°F9°C71%42.8°F6.0°CToo warm
Mon 11 AM52°F11°C66%45.7°F7.6°CToo warm
Mon 12 PM56°F13°C59%48.0°F8.9°CToo warm
Mon 1 PM59°F15°C57%50.3°F10.2°CToo warm
Mon 2 PM59°F15°C62%51.3°F10.7°CToo warm
Mon 3 PM61°F16°C60%52.7°F11.5°CToo warm
Mon 4 PM59°F15°C67%52.3°F11.3°CToo warm
Mon 5 PM59°F15°C69%52.7°F11.5°CToo warm
Mon 6 PM57°F14°C72%51.4°F10.8°CToo warm
Mon 7 PM53°F12°C80%49.2°F9.5°CToo warm
Mon 8 PM50°F10°C86%47.3°F8.5°CToo warm
Mon 9 PM48°F9°C89%45.9°F7.7°CToo warm
Mon 10 PM46°F8°C89%43.9°F6.6°CToo warm
Mon 11 PM45°F7°C86%42.5°F5.8°CToo warm
Tue 12 AM43°F6°C86%40.5°F4.7°CToo warm
Tue 1 AM42°F6°C86%39.5°F4.2°CToo warm
Tue 2 AM40°F4°C85%37.4°F3.0°CToo warm
Tue 3 AM38°F3°C89%36.1°F2.3°CToo warm
Tue 4 AM36°F2°C89%34.1°F1.2°CToo warm
Tue 5 AM34°F1°C92%32.6°F0.3°CToo warm
Tue 6 AM33°F1°C89%31.2°F−0.5°CToo warm
Tue 7 AM32°F0°C88%30.0°F−1.1°CToo warm
Tue 8 AM32°F0°C85%29.6°F−1.3°CToo warm
Tue 9 AM35°F2°C75%31.2°F−0.4°CToo warm
Tue 10 AM38°F3°C67%33.0°F0.5°CToo warm
Tue 11 AM42°F6°C57%35.2°F1.8°CToo warm

Right now at the base

Clear
55°F13°C
Wind
3 mph6 km/h
Humidity
37%
Precipitation
0% 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. This Afternoon 59°F15°C 35°F2°C Sunny
  2. Mon 61°F16°C 32°F0°C Mostly Sunny
  3. Tue 48°F9°C 25°F−4°C Sunny
  4. Wed 52°F11°C 33°F1°C Sunny
  5. Thu 60°F16°C 43°F6°C Sunny
  6. Fri 60°F16°C 39°F4°C Mostly Sunny
  7. Sat 59°F15°C 42°F6°C Mostly Sunny

Forecast for 12 PM · NOAA grid updated 2:36 AM

About this forecast

Mount Sunapee is a ski resort in New Hampshire with a base at 1,233 ft and a summit at 2,743 ft, 1,510 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 New Hampshire

All ski resorts by state →

Base: NOAA's forecast for the base area (forecast grid elevation 1,647 ft). Summit: NOAA's forecast for the top of the mountain (forecast grid elevation 1,795 ft).

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