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 Lutsen Mountains, MN

46°F8°C air · 91% 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 42°F5°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 7 PM46°F8°C91%44.3°F6.8°CToo warm
Thu 8 PM45°F7°C93%43.6°F6.5°CToo warm
Thu 9 PM44°F7°C96%43.2°F6.2°CToo warm
Thu 10 PM44°F7°C96%43.2°F6.2°CToo warm
Thu 11 PM44°F7°C96%43.2°F6.2°CToo warm
Fri 12 AM45°F7°C93%43.6°F6.5°CToo warm
Fri 1 AM45°F7°C93%43.6°F6.5°CToo warm
Fri 2 AM45°F7°C93%43.6°F6.5°CToo warm
Fri 3 AM44°F7°C96%43.2°F6.2°CToo warm
Fri 4 AM44°F7°C96%43.2°F6.2°CToo warm
Fri 5 AM43°F6°C100%42.8°F6.0°CToo warm
Fri 6 AM42°F6°C100%41.8°F5.5°CToo warm
Fri 7 AM43°F6°C100%42.8°F6.0°CToo warm
Fri 8 AM43°F6°C100%42.8°F6.0°CToo warm
Fri 9 AM47°F8°C100%46.9°F8.3°CToo warm
Fri 10 AM51°F11°C89%48.9°F9.4°CToo warm
Fri 11 AM53°F12°C86%50.3°F10.1°CToo warm
Fri 12 PM55°F13°C83%51.6°F10.9°CToo warm
Fri 1 PM57°F14°C77%52.4°F11.3°CToo warm
Fri 2 PM57°F14°C80%53.0°F11.7°CToo warm
Fri 3 PM57°F14°C80%53.0°F11.7°CToo warm
Fri 4 PM59°F15°C75%53.9°F12.2°CToo warm
Fri 5 PM57°F14°C80%53.0°F11.7°CToo warm
Fri 6 PM54°F12°C86%51.2°F10.7°CToo warm
Fri 7 PM52°F11°C93%50.6°F10.3°CToo warm
Fri 8 PM50°F10°C100%49.9°F9.9°CToo warm
Fri 9 PM51°F11°C96%50.1°F10.1°CToo warm
Fri 10 PM51°F11°C96%50.1°F10.1°CToo warm
Fri 11 PM51°F11°C93%49.6°F9.8°CToo warm
Sat 12 AM52°F11°C89%49.8°F9.9°CToo warm
Sat 1 AM52°F11°C89%49.8°F9.9°CToo warm
Sat 2 AM52°F11°C86%49.3°F9.6°CToo warm
Sat 3 AM51°F11°C89%48.9°F9.4°CToo warm
Sat 4 AM51°F11°C89%48.9°F9.4°CToo warm
Sat 5 AM51°F11°C86%48.3°F9.1°CToo warm
Sat 6 AM50°F10°C89%47.9°F8.8°CToo warm
Sat 7 AM50°F10°C86%47.3°F8.5°CToo warm
Sat 8 AM51°F11°C86%48.3°F9.1°CToo warm
Sat 9 AM54°F12°C80%50.1°F10.1°CToo warm
Sat 10 AM58°F14°C69%51.8°F11.0°CToo warm
Sat 11 AM60°F16°C64%52.6°F11.5°CToo warm
Sat 12 PM61°F16°C62%53.1°F11.7°CToo warm
Sat 1 PM62°F17°C60%53.6°F12.0°CToo warm
Sat 2 PM63°F17°C60%54.5°F12.5°CToo warm
Sat 3 PM63°F17°C60%54.5°F12.5°CToo warm
Sat 4 PM62°F17°C65%54.7°F12.6°CToo warm
Sat 5 PM61°F16°C67%54.2°F12.3°CToo warm
Sat 6 PM59°F15°C75%53.9°F12.2°CToo warm

Right now

Areas fog
46°F8°C
Wind
3 mph6 km/h
Humidity
91%
Precipitation
7% 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 41°F5°C Areas Of Fog
  2. Fri 59°F15°C 49°F9°C Areas Of Fog
  3. Sat 63°F17°C 39°F4°C Chance Showers And Thunderstorms
  4. Sun 51°F11°C 33°F1°C Mostly Sunny
  5. Mon 44°F7°C 30°F−1°C Partly Sunny
  6. Tue 44°F7°C 34°F1°C Slight Chance Rain Showers
  7. Wed 49°F9°C 36°F2°C Chance Rain Showers
  8. Thu 48°F9°C Slight Chance Rain Showers

Forecast for 7 PM · NOAA grid updated 5:47 PM · grid elevation 1,417 ft

Checked at the base area (700 ft); the summit (1,688 ft) is usually colder.

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