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Water Supply Snow Water Equivalency

Snow Water Equivalent (SWE) is a common snowpack measurement. It is the amount of water contained within the snowpack. Maps are posted weekly from mid-December through March or early April.

DateMountain Snow Water Equivalent Map
March 29, 2021
Idaho Snow Map: March 29, 2021

March 22, 2021
Idaho Snow Map: March 22, 2021

March 15, 2021
Idaho Snow Map: March 15, 2021

March 8, 2021
Idaho Snow Map: March 8, 2021

March 1, 2021
Idaho Snow Map: March 1, 2021

February 22, 2021
Idaho Snow Map: February 22, 2021

February 16, 2021
Idaho Snow Map: February 16, 2021

February 8, 2021
Idaho Snow Map: February 8, 2021

February 1, 2021
Idaho Snow Map: February 1, 2021

January 25, 2021
Idaho Snow Map: January 25, 2021

January 19, 2021
Idaho Snow Map: January 19, 2021

January 11, 2021
Idaho Snow Map: January 11, 2021

January 4, 2021
Idaho Snow Map: January 4, 2021

December 28, 2020
Idaho Snow Map: December 28, 2020

March 30, 2020
Idaho Snow Map: March 30, 2020

March 16, 2020
Idaho Snow Map: March 16, 2020

March 9, 2020
Idaho Snow Map:March 9, 2020

March 2, 2020
Idaho Snow Map:March 2, 2020

February 24, 2020
Idaho Snow Map: February 24, 2020

February 17, 2020
Idaho Snow Map: February 17, 2020

February 10, 2020
Idaho Snow Map: February 10, 2020

February 3, 2020
Idaho Snow Map: February 3, 2020

January 27, 2020
Idaho Snow Map: January 27, 2020

January 21, 2020
Idaho Snow Map: January 21, 2020

January 13, 2020
Idaho Snow Map: January 13, 2020

January 6, 2020
Idaho Snow Map: January 6, 2019

December 23, 2019
Idaho Snow Map: December 23, 2019

December 17, 2019
Idaho Snow Map: December 17, 2019

April 1, 2019
Idaho Snow Map: April 1, 2019

March 25, 2019
Idaho Snow Map: March 25, 2019

March 18, 2019
Idaho Snow Map: March 18, 2019

March 11, 2019
Idaho Snow Map: March 11, 2019

March 4, 2019
Idaho Snow Map: March 4, 2019

February 25, 2019
Idaho Snow Map: February 25, 2019

February 18, 2019
Idaho Snow Map: February 18, 2019

February 11, 2019
Idaho Snow Map: February 11, 2019

February 5, 2019
Idaho Snow Map: February 5, 2019

January 28, 2019
Idaho Snow Map: January 28, 2019

January 22, 2019
Idaho Snow Map: January 22, 2019

January 14, 2019
Idaho Snow Map: January 14, 2019

January 8, 2019
Idaho Snow Map: January 8, 2019

January 1, 2019
Idaho Snow Map: January 1, 2019

December 31, 2018
Idaho Snow Map: December 31, 2018

December 24, 2018
Idaho Snow Map: December 24, 2018

December 17, 2018
Idaho Snow Map: December 17, 2018

April 2, 2018
Idaho Snow Map: April 2, 2018

March 26, 2018
Idaho Snow Map: March 26, 2018

March 19, 2018
Idaho Snow Map: March 19, 2018

March 12, 2018
Idaho Snow Map: March 12, 2018

March 5, 2018
Idaho Snow Map: March 5, 2018

February 27, 2018
Idaho Snow Map: February 27, 2018

February 20, 2018
Idaho Snow Map: February 20, 2018

February 12, 2018
Idaho Snow Map: February 12, 2018

February 5, 2018
Idaho Snow Map: February 5, 2018

January 29, 2018
Idaho Snow Map: January 29, 2018

January 22, 2018
Idaho Snow Map: January 22, 2018

January 16, 2018
Idaho Snow Map: January 16, 2018

January 8, 2018
Idaho Snow Map: January 8, 2018

January 2, 2018
Idaho Snow Map: January 2, 2018

December 28, 2017
Idaho Snow Map: December 28, 2017

December 18, 2017
Idaho Snow Map: December 18, 2017

December 11, 2017
Idaho Snow Map: December 11, 2017

December 4, 2017
Idaho Snow Map: December 4, 2017

April 3, 2017
Idaho Snow Map: April 3, 2017

March 20, 2017
Idaho Snow Map: March 20, 2017

March 13, 2017
Idaho Snow Map: March 13, 2017

March 6, 2017
Idaho Snow Map: March 6, 2017

February 27, 2017
Idaho Snow Map: February 27, 2017

February 21, 2017
Idaho Snow Map: February 21, 2017

February 13, 2017
Idaho Snow Map: February 13, 2017

February 6, 2017
Idaho Snow Map: February 6, 2017

January 30, 2017
Idaho Snow Map: January 30, 2017

January 22, 2017
Idaho Snow Map: January 22, 2017

January 17, 2017
Idaho Snow Map: January 17, 2017

January 9, 2017
Idaho Snow Map: January 9, 2017

January 3, 2017
Idaho Snow Map: January 3, 2017

December 27, 2016
Idaho Snow Map: December 27, 2016

December 19, 2016
Idaho Snow Map: December 19, 2016

April 4, 2016
Idaho Snow Map: April 4, 2016

March 28, 2016
Idaho Snow Map: March 28, 2016

March 21, 2016
Idaho Snow Map: March 21, 2016

March 14, 2016
Idaho Snow Map: March 14, 2016

March 7, 2016
Idaho Snow Map: March 7, 2016

February 29, 2016
Idaho Snow Map: February 29, 2016

February 22, 2016
Idaho Snow Map: February 22, 2016

February 16, 2016
Idaho Snow Map: February 16, 2016

February 8, 2016
Idaho Snow Map: February 8, 2016

February 1, 2016
Idaho Snow Map: February 1, 2016

January 25, 2016
Idaho Snow Map: January 25, 2016

January 19, 2016
Idaho Snow Map: January 19, 2016

January 11, 2016
Idaho Snow Map: January 11, 2016

January 4, 2016
Idaho Snow Map: January 4, 2016

December 28, 2015
Idaho Snow Map: December 28, 2015

December 22, 2015
Idaho Snow Map: December 22, 2015

March 30, 2015
Idaho Snow Map: March 30, 2015

March 23, 2015
Idaho Snow Map: March 23, 2015

March 16, 2015
Idaho Snow Map: March 16, 2015

March 9, 2015
Idaho Snow Map: March 9, 2015

March 2, 2015
Idaho Snow Map: March 2, 2015

February 23, 2015
Idaho Snow Map: February 23, 2015

February 17, 2015
Idaho Snow Map: February 17, 2015

February 9, 2015
Idaho Snow Map: February 9, 2015

February 2, 2015
Idaho Snow Map: February 2, 2015

January 26, 2015
Idaho Snow Map: January 26, 2015

January 22, 2015
Idaho Snow Map: January 22, 2015

January 12, 2015
Idaho Snow Map: January 12, 2015

January 5, 2015
Idaho Snow Map: January 5, 2015

December 29, 2014
Idaho Snow Map: December 29, 2014

December 23, 2014
Idaho Snow Map: December 23, 2014

April 7, 2014
Idaho Snow Map: April 7, 2014

March 31, 2014
Idaho Snow Map: March 31, 2014

March 24, 2014
Idaho Snow Map: March 24, 2014

March 17, 2014
Idaho Snow Map: March 17, 2014

March 10, 2014
Idaho Snow Map: March 10, 2014

March 3, 2014
Idaho Snow Map: March 3, 2014

February 24, 2014
Idaho Snow Map: February 24, 2014

February 18, 2014
Idaho Snow Map: February 18, 2014

February 10, 2014
Idaho Snow Map: February 10, 2014

February 3, 2014
Idaho Snow Map: February 3, 2014

January 27, 2014
Idaho Snow Map: January 27, 2014

January 21, 2014
Idaho Snow Map: January 21, 2014

January 13, 2014
Idaho Snow Map: January 13, 2014

January 6, 2014
Idaho Snow Map: January 6, 2014

December 30, 2013
Idaho Snow Map: December 30, 2013

April 10, 2013
Idaho Snow Map: April 10, 2013

April 1, 2013
Idaho Snow Map: April 1, 2013

March 25, 2013
Idaho Snow Map: March 25, 2013

March 18, 2013
Idaho Snow Map: March 18, 2013

March 11, 2013
Idaho Snow Map: March 11, 2013

March 4, 2013
Idaho Snow Map: March 4, 2013

February 25, 2013
Idaho Snow Map: February 25, 2013

February 19, 2013
Idaho Snow Map: February 19, 2013

February 11, 2013
Idaho Snow Map: February 11, 2013

February 4, 2013
Idaho Snow Map: February 4, 2013

January 28, 2013
Idaho Snow Map: January 28, 2013

January 22, 2013
Idaho Snow Map: January 22, 2013

January 14, 2013
Idaho Snow Map: January 14, 2013

January 7, 2013
Idaho Snow Map: January 7, 2013

January 2, 2013
Idaho Snow Map: January 2, 2013

December 17, 2012
Idaho Snow Map: December 17, 2012

December 10, 2012
Idaho Snow Map: December 10, 2012

April 9, 2012
Idaho Snow Map: April 9, 2012

April 2, 2012
Idaho Snow Map: April 2, 2012

March 26, 2012
Idaho Snow Map: March 26, 2012

March 19, 2012
Idaho Snow Map: March 19, 2012

March 12, 2012
Idaho Snow Map: March 12, 2012

March 5, 2012
Idaho Snow Map: March 5, 2012

February 27, 2012
Idaho Snow Map: February 27, 2012

February 21, 2012
Idaho Snow Map: February 21, 2012

February 13, 2012
Idaho Snow Map: February 13, 2012

February 6, 2012
Idaho Snow Map: February 6, 2012

January 30, 2012
Idaho Snow Map: January 30, 2012

January 23, 2012
Idaho Snow Map: January 23, 2012

January 17, 2012
Idaho Snow Map: January 17, 2012

January 9, 2012
Idaho Snow Map: January 9, 2012

January 3, 2012
Idaho Snow Map: January 3, 2012

December 28, 2011
Idaho Snow Map: December 28, 2011

April 11, 2011
Idaho Snow Map: April 11, 2011

April 4, 2011
Idaho Snow Map: April 4, 2011

March 28, 2011
Idaho Snow Map: March 28, 2011

March 21, 2011
Idaho Snow Map: March 21, 2011

March 15, 2011
Idaho Snow Map: March 15, 2011

March 7, 2011
Idaho Snow Map: March 7, 2011

February 28, 2011
Idaho Snow Map: February 28, 2011

February 22, 2011
Idaho Snow Map: February 22, 2011

February 14, 2011
Idaho Snow Map: February 14, 2011

February 7, 2011
Idaho Snow Map: February 7, 2011

January 31, 2011
Idaho Snow Map: January 31, 2011

January 24, 2011
Idaho Snow Map: January 24, 2011

January 18, 2011
Idaho Snow Map: January 18, 2011

January 10, 2011
Idaho Snow Map: January 10, 2011

January 3, 2011
Idaho Snow Map: January 3, 2011

December 20, 2010
Idaho Snow Map: December 20, 2010

April 5, 2010
Idaho Snow Map: April 5, 2010

March 29, 2010
Idaho Snow Map: March 29, 2010

March 22, 2010
Idaho Snow Map: March 22, 2010

March 15, 2010
Idaho Snow Map: March 15, 2010

March 8, 2010
Idaho Snow Map: March 8, 2010

March 1, 2010
Idaho Snow Map: March 1, 2010

February 22, 2010
Idaho Snow Map: February 22, 2010

February 16, 2010
Idaho Snow Map: February 16, 2010

February 8, 2010
Idaho Snow Map: February 8, 2010

February 1, 2010
Idaho Snow Map: February 1, 2010

January 25, 2010
Idaho Snow Map: January 25, 2010

January 19, 2010
Idaho Snow Map: January 19, 2010

January 11, 2010
Idaho Snow Map: January 11, 2010

January 4, 2010
Idaho Snow Map: January 4, 2010

December 28, 2009
Idaho Snow Map: December 28, 2009

December 21, 2009
Idaho Snow Map: December 21, 2009

December 14, 2009
Idaho Snow Map: December 14, 2009

April 14, 2009
Idaho Snow Map: April 14, 2009

April 7, 2009
Idaho Snow Map: April 7, 2009

April 3, 2009
Idaho Snow Map: April 3, 2009

March 31, 2009
Idaho Snow Map: March 31, 2009

March 24, 2009
Idaho Snow Map: March 24, 2009

March 16, 2009
Idaho Snow Map: March 16, 2009

March 9, 2009
Idaho Snow Map: March 9, 2009

March 4, 2009
Idaho Snow Map: March 4, 2009

February 23, 2009
Idaho Snow Map: February 23, 2009

February 18, 2009
Idaho Snow Map: February 18, 2009

February 10, 2009
Idaho Snow Map: February 10, 2009

February 3, 2009
Idaho Snow Map: February 3, 2009

January 26, 2009
Idaho Snow Map: January 26, 2009

January 20, 2009
Idaho Snow Map: January 20, 2009

January 13, 2009
Idaho Snow Map: January 13, 2009

January 6, 2009
Idaho Snow Map: January 6, 2009

December 30, 2008
Idaho Snow Map: December 30, 2008

December 22, 2008
Idaho Snow Map: December 22, 2008

December 15, 2008
Idaho Snow Map: December 15, 2008

ver: 3.0.0a | last updated:
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