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Boulder Mountain SNOTEL

No snow sat on the pillow at Boulder Mountain at the start of October 4, 2026. The NRCS median first snow is October 16, and the median peak is 23.2 in around April 25.

as of

All values are from the start of the day, midnight Pacific Standard Time

Last 8 days

Start-of-day readings for Boulder Mountain, last 8 days.
DateSWEMedianPercentDepthPrecip since Oct 1
Oct 40.0 inches0.0 inches0 inches0.0 inches
Oct 30.0 inches0.0 inches0 inches0.0 inches
Oct 20.0 inches0.0 inches0 inches0.0 inches
Oct 10.0 inches0.0 inches0 inches0.0 inches
Sep 300.0 inches0.0 inches0 inches42.0 inches
Sep 290.0 inches0.0 inches0 inches41.9 inches
Sep 280.0 inches0.0 inches0 inches41.9 inches
Sep 270.0 inches0.0 inches0 inches41.9 inches

The Natural Resources Conservation Service (USDA) created the figures on this page, which are works of the US government and therefore have no copyright under 17 U.S.C. 105. The notice that 17 U.S.C. 403 requires appears in this sentence. Neither NRCS nor USDA endorses or is affiliated with WeatherTotals. See: Data sources and attribution.

Records at Boulder Mountain

Record values for Boulder Mountain, from daily snowpack history.
Highest SWE on record31.9 inches, April 27, 1997
Deepest snow on record95 inches, April 30, 2011
Biggest season peak31.9 in, 1996-97 season, on April 27, 1997
Smallest season peak14.4 in, 1986-87 season, on April 20, 1987
Last season's peak18.5 in, 2025-26 season, on April 19, 2026

48 complete water years in the record, daily SWE since October 1, 1978

Station details

Elevation7,890 ft
CountyMeagher
Position46.5596, -111.2897
Record startsOctober 1, 1976
Median peak SWE23.2 in around April 25
Median first snowOctober 16
Median melt-outJune 10
NRCS station ID360:MT:SNTL

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