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 Bretton Woods?

NO

Too warm to make snow at Bretton Woods, NH

Base: 55°F13°C air · 31% humidity

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

Next snowmaking window: Tue 3 AM – 10 AM.

Next 48 hours wet-bulb by hour; columns below the line are snowmaking hours
28°F−2°C 22°F−6°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°C31%41.9°F5.5°CToo warm
Sun 1 PM58°F14°C27%43.2°F6.2°CToo warm
Sun 2 PM60°F16°C25%44.2°F6.8°CToo warm
Sun 3 PM61°F16°C23%44.4°F6.9°CToo warm
Sun 4 PM59°F15°C25%43.5°F6.4°CToo warm
Sun 5 PM56°F13°C31%42.6°F5.9°CToo warm
Sun 6 PM51°F11°C39%40.2°F4.5°CToo warm
Sun 7 PM45°F7°C49%36.7°F2.6°CToo warm
Sun 8 PM41°F5°C57%34.4°F1.3°CToo warm
Sun 9 PM40°F4°C59%33.7°F1.0°CToo warm
Sun 10 PM39°F4°C59%32.8°F0.5°CToo warm
Sun 11 PM38°F3°C62%32.3°F0.2°CToo warm
Mon 12 AM37°F3°C64%31.7°F−0.2°CToo warm
Mon 1 AM37°F3°C64%31.7°F−0.2°CToo warm
Mon 2 AM37°F3°C64%31.7°F−0.2°CToo warm
Mon 3 AM37°F3°C64%31.7°F−0.2°CToo warm
Mon 4 AM37°F3°C64%31.7°F−0.2°CToo warm
Mon 5 AM36°F2°C64%30.7°F−0.7°CToo warm
Mon 6 AM37°F3°C61%31.3°F−0.4°CToo warm
Mon 7 AM37°F3°C64%31.7°F−0.2°CToo warm
Mon 8 AM39°F4°C62%33.2°F0.7°CToo warm
Mon 9 AM44°F7°C62%37.7°F3.2°CToo warm
Mon 10 AM50°F10°C61%43.0°F6.1°CToo warm
Mon 11 AM53°F12°C64%46.3°F7.9°CToo warm
Mon 12 PM55°F13°C64%48.1°F8.9°CToo warm
Mon 1 PM55°F13°C66%48.4°F9.1°CToo warm
Mon 2 PM55°F13°C72%49.6°F9.8°CToo warm
Mon 3 PM56°F13°C72%50.5°F10.3°CToo warm
Mon 4 PM55°F13°C72%49.6°F9.8°CToo warm
Mon 5 PM53°F12°C77%48.6°F9.2°CToo warm
Mon 6 PM51°F11°C83%47.8°F8.8°CToo warm
Mon 7 PM47°F8°C89%44.9°F7.2°CToo warm
Mon 8 PM44°F7°C96%43.2°F6.2°CToo warm
Mon 9 PM42°F6°C96%41.2°F5.1°CToo warm
Mon 10 PM40°F4°C96%39.2°F4.0°CToo warm
Mon 11 PM37°F3°C96%36.2°F2.3°CToo warm
Tue 12 AM34°F1°C96%33.2°F0.7°CToo warm
Tue 1 AM32°F0°C92%30.6°F−0.8°CToo warm
Tue 2 AM30°F−1°C92%28.6°F−1.9°CToo warm
Tue 3 AM28°F−2°C92%26.6°F−3.0°CMarginal
Tue 4 AM27°F−3°C92%25.7°F−3.5°CMarginal
Tue 5 AM25°F−4°C96%24.2°F−4.3°CGreat
Tue 6 AM24°F−4°C92%22.7°F−5.2°CGreat
Tue 7 AM23°F−5°C92%21.7°F−5.7°CGreat
Tue 8 AM23°F−5°C92%21.7°F−5.7°CGreat
Tue 9 AM27°F−3°C81%24.3°F−4.3°CGreat
Tue 10 AM33°F1°C69%28.6°F−1.9°CToo warm
Tue 11 AM38°F3°C62%32.3°F0.2°CToo warm

Right now at the base

Clear
55°F13°C
Wind
2 mph4 km/h
Humidity
31%
Precipitation
0% chance

Nearest station KHIE at 12:30 PM: Clear, 57°F14°C, 29% humidity (43°F6°C wet-bulb), wind 0 mph0 km/h.

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 61°F16°C 35°F2°C Sunny
  2. Mon 57°F14°C 23°F−5°C Isolated Rain Showers
  3. Tue 43°F6°C 20°F−7°C Sunny
  4. Wed 49°F9°C 30°F−1°C Sunny
  5. Thu 59°F15°C 40°F4°C Mostly Sunny then Slight Chance Rain Showers
  6. Fri 55°F13°C 35°F2°C Partly Sunny
  7. Sat 57°F14°C 38°F3°C Mostly Sunny

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

About this forecast

Bretton Woods is a ski resort in New Hampshire with a base at 1,500 ft and a summit at 3,100 ft, 1,600 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 1,749 ft). Summit: NOAA's forecast for the top of the mountain (forecast grid elevation 2,799 ft).

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