Lyman Lake SNOTEL

5,990 ftChelan County, WashingtonNRCS site 606Updated Fri Oct 16, 3:00 AM PDT

Last peak49.4″SWE · Mar 18
Depth0″snow-free since Jun 13
Temp42°38°–55° 48 h
Thu 15Past 48 hAir temperature42°F now30°40°50°32°42°FNow · Fri 3 AM
ThuPast 48 hAir temperature42°F now30°40°50°32°42°FNow · Fri 3 AM
Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Past 7 daysAir temperature42°F now40°32°42°FNow · Fri 3 AM
SatSunMonTueWedPast 7 daysAir temperature42°F now40°32°42°FNow · Fri 3 AM
0″20″40″60″OctNovDecJanFebMarAprMayJunJul
0″25″50″ONDJFMAMJJ
<50%50–6970–8990–109110–129130–149150%+
0″2″8″16″32″+
0″6″24″48″100″+
Map
Open in the Vertex map

Next 3 days

The forecast for this station is on its way.

16-day outlook, three models

Last season

49.4″peak snow water equivalent

Last season peaked at 49.4″ of water, 75% of the median peak.

Nearby SNOTEL stations

All Washington

Station details

Elevation
5,990 ft
Location
48.1980°N, 120.9168°W
County
Chelan County, Washington
Basin
Lake Chelan · HUC 17020009
Network
NRCS SNOTEL · site 606
Station ID
606:WA:SNTL · SHEF LYLW1
Reporting since
October 1978
NWS forecast office
Spokane (OTX) discussion

Questions

What is snow water equivalent (SWE)?

SWE is the depth of water you would get by melting the whole snowpack. Fresh powder is often 5 to 10% water; old spring snow can be 40% or more.

How often does Lyman Lake SNOTEL update?

The station reports every hour by radio telemetry to the USDA Natural Resources Conservation Service. This page refreshes each hour. Readings are provisional until NRCS quality control.

What does “% of median” mean?

It compares today’s SWE with the 1991–2020 median for the same calendar day at this station. Above 100% means more water in the snowpack than on a typical year’s same date.

Where is Lyman Lake SNOTEL?

At 5,990 ft in Chelan County, Washington (48.1980°N, 120.9168°W), in the Lake Chelan basin.

How is the snow forecast made?

Vertex runs the HRRR, RRFS and GFS weather models at the station’s own elevation and carries the measured snowpack forward hour by hour. Treat it as guidance, and check your avalanche center’s forecast before heading out.