United States Department of Agriculture
Natural Resources Conservation Service
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MONTANA SNOTEL Snow Water Equivalent Update Graph

As of SATURDAY: MARCH 6 , 2021

BasinSnow Water Equivalent Percent of Median
KOOTENAI RIVER BASINPercentage Bar 87% 87%
FLATHEAD RIVER BASINPercentage Bar 101% 101%
UPPER CLARK FORK RIVER BASINPercentage Bar 106% 106%
BITTERROOT RIVER BASINPercentage Bar 112% 112%
LOWER CLARK FORK RIVER BASINPercentage Bar 93% 93%
JEFFERSON RIVER BASINPercentage Bar 97% 97%
MADISON RIVER BASINPercentage Bar 89% 89%
GALLATIN RIVER BASINPercentage Bar 100% 100%
MISSOURI HEADWATERSPercentage Bar 96% 96%
HELENA VALLEYPercentage Bar 104% 104%
SMITH, JUDITH, AND MUSSELSHELL RIVER BASINSPercentage Bar 105% 105%
SUN, TETON AND MARIAS RIVER BASINSPercentage Bar 103% 103%
MISSOURI MAINSTEM RIVER BASINPercentage Bar 105% 105%
ST MARYS RIVER BASINPercentage Bar 110% 110%
MILK RIVER BASINPercentage Bar 119% 119%
UPPER YELLOWSTONE RIVER BASINPercentage Bar 106% 106%
WIND RIVER BASIN (WYOMING)Percentage Bar 79% 79%
SHOSHONE RIVER BASIN (WYOMING)Percentage Bar 106% 106%
BIGHORN RIVER BASIN (WYOMING)Percentage Bar 90% 90%
TONGUE RIVER BASIN (WYOMING)Percentage Bar 98% 98%
POWDER RIVER BASIN (WYOMING)Percentage Bar 96% 96%
LOWER YELLOWSTONE RIVER BASINPercentage Bar 92% 92%

Legend: Percentage Bar Below 70% <70% Percentage Bar 70-90% 70-90% Percentage Bar 91-110% 91-110% Percentage Bar 111-130% 111-130% Percentage Bar Above 130% >130%

* = Data are not available or data may not provide a valid measure of conditions for over half of the sites within the basin.

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