Snow Water Equivalent (SWE) is a common snowpack measurement. It is the amount of water contained within the snowpack. Maps are posted weekly from January through March or early April.
| Date | Mountain Snow Water Equivalent Map |
|---|---|
| May 5, 2025 | Idaho Snow Map: May 5, 2025 |
| March 31, 2025 | Idaho Snow Map: March 31, 2025 |
| March 24, 2025 | Idaho Snow Map: March 24, 2025 |
| March 17, 2025 | Idaho Snow Map: March 17, 2025 |
| March 10, 2025 | Idaho Snow Map: March 10, 2025 |
| March 3, 2025 | Idaho Snow Map: March 3, 2025 |
| February 24, 2025 | Idaho Snow Map: February 24, 2025 |
| February 17, 2025 | Idaho Snow Map: February 17, 2025 |
| February 10, 2025 | Idaho Snow Map: February 10, 2025 |
| February 3, 2025 | Idaho Snow Map: February 3, 2025 |
| January 27, 2025 | Idaho Snow Map: January 27, 2025 |
| January 21, 2025 | Idaho Snow Map: January 21, 2025 |
| January 13, 2025 | Idaho Snow Map: January 13, 2025 |
| January 6, 2025 | Idaho Snow Map: January 6, 2025 |
| December 30, 2024 | Idaho Snow Map: December 30, 2024 |
| April 15, 2024 | Idaho Snow Map: April 15, 2024 |
| April 8, 2024 | Idaho Snow Map: April 8, 2024 |
| April 1, 2024 | Idaho Snow Map: April 1, 2024 |
| March 25, 2024 | Idaho Snow Map: March 25, 2024 |
| March 18, 2024 | Idaho Snow Map: March 18, 2024 |
| March 11, 2024 | Idaho Snow Map: March 11, 2024 |
| March 4, 2024 | Idaho Snow Map: March 4, 2024 |
| February 26, 2024 | Idaho Snow Map: February 26, 2024 |
| February 20, 2024 | Idaho Snow Map: February 20, 2024 |
| February 12, 2024 | Idaho Snow Map: February 12, 2024 |
| February 5, 2024 | Idaho Snow Map: February 5, 2024 |
| January 30, 2024 | Idaho Snow Map: January 30, 2024 |
| January 22, 2024 | Idaho Snow Map: January 22, 2024 |
| January 16, 2024 | Idaho Snow Map: January 16, 2024 |
| January 8, 2024 | Idaho Snow Map: January 8, 2024 |
| January 2, 2024 | Idaho Snow Map: January 2, 2024 |
| April 3, 2023 | Idaho Snow Map: April 3, 2023 |
| March 27, 2023 | Idaho Snow Map: March 27, 2023 |
| March 20, 2023 | Idaho Snow Map: March 20, 2023 |
| March 13, 2023 | Idaho Snow Map: March 13, 2023 |
| March 6, 2023 | Idaho Snow Map: March 6, 2023 |
| February 27, 2023 | Idaho Snow Map: February 27, 2023 |
| February 21, 2023 | Idaho Snow Map: February 21, 2023 |
| February 13, 2023 | Idaho Snow Map: February 13, 2023 |
| February 6, 2023 | Idaho Snow Map: February 6, 2023 |
| January 30, 2023 | Idaho Snow Map: January 30, 2023 |
| January 23, 2023 | Idaho Snow Map: January 23, 2023 |
| January 17, 2023 | Idaho Snow Map: January 17, 2023 |
| January 9, 2023 | Idaho Snow Map: January 9, 2023 |
| January 3, 2023 | Idaho Snow Map: January 3, 2023 |
| April 1, 2022 | Idaho Snow Map: April 1, 2022 |
| March 28, 2022 | Idaho Snow Map: March 28, 2022 |
| March 21, 2022 | Idaho Snow Map: March 21, 2022 |
| March 14, 2022 | Idaho Snow Map: March 14, 2022 |
| March 7, 2022 | Idaho Snow Map: March 7, 2022 |
| February 28, 2022 | Idaho Snow Map: February 28, 2022 |
| February 22, 2022 | Idaho Snow Map: February 22, 2022 |
| February 14, 2022 | Idaho Snow Map: February 14, 2022 |
| February 7, 2022 | Idaho Snow Map: February 7, 2022 |
| January 31, 2022 | Idaho Snow Map: January 31, 2022 |
| January 24, 2022 | Idaho Snow Map: January 24, 2022 |
| January 18, 2022 | Idaho Snow Map: January 18, 2022 |
| January 10, 2022 | Idaho Snow Map: January 10, 2022 |
| January 3, 2022 | Idaho Snow Map: January 3, 2022 |
| December 27, 2021 | Idaho Snow Map: December 27, 2021 |
| 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 |  |
| January 13, 2020 |  |
| January 6, 2020 |  |
| December 23, 2019 |  |
| December 17, 2019 |  |
| April 1, 2019 |  |
| March 25, 2019 |  |
| March 18, 2019 |  |
| March 11, 2019 |  |
| March 4, 2019 |  |
| February 25, 2019 |  |
| February 18, 2019 |  |
| February 11, 2019 |  |
| February 5, 2019 |  |
| January 28, 2019 |  |
| January 22, 2019 |  |
| January 14, 2019 |  |
| January 8, 2019 |  |
| January 1, 2019 |  |
| December 31, 2018 |  |
| December 24, 2018 |  |
| December 17, 2018 |  |
| April 2, 2018 |  |
| March 26, 2018 |  |
| March 19, 2018 |  |
| March 12, 2018 |  |
| March 5, 2018 |  |
| February 27, 2018 |  |
| February 20, 2018 |  |
| February 12, 2018 |  |
| February 5, 2018 |  |
| January 29, 2018 |  |
| January 22, 2018 |  |
| January 16, 2018 |  |
| January 8, 2018 |  |
| January 2, 2018 |  |
| December 28, 2017 |  |
| December 18, 2017 |  |
| December 11, 2017 |  |
| December 4, 2017 |  |
| April 3, 2017 |  |
| March 20, 2017 |  |
| March 13, 2017 |  |
| March 6, 2017 |  |
| February 27, 2017 |  |
| February 21, 2017 |  |
| February 13, 2017 |  |
| February 6, 2017 |  |
| January 30, 2017 |  |
| January 22, 2017 |  |
| January 17, 2017 |  |
| January 9, 2017 |  |
| January 3, 2017 |  |
| December 27, 2016 |  |
| December 19, 2016 |  |
| April 4, 2016 |  |
| March 28, 2016 |  |
| March 21, 2016 |  |
| March 14, 2016 |  |
| March 7, 2016 |  |
| February 29, 2016 |  |
| February 22, 2016 |  |
| February 16, 2016 |  |
| February 8, 2016 |  |
| February 1, 2016 |  |
| January 25, 2016 |  |
| January 19, 2016 |  |
| January 11, 2016 |  |
| January 4, 2016 |  |
| December 28, 2015 |  |
| December 22, 2015 |  |
| March 30, 2015 |  |
| March 23, 2015 |  |
| March 16, 2015 |  |
| March 9, 2015 |  |
| March 2, 2015 |  |
| February 23, 2015 |  |
| February 17, 2015 |  |
| February 9, 2015 |  |
| February 2, 2015 |  |
| January 26, 2015 |  |
| January 22, 2015 |  |
| January 12, 2015 |  |
| January 5, 2015 |  |
| December 29, 2014 |  |
| December 23, 2014 |  |
| April 7, 2014 |  |
| March 31, 2014 |  |
| March 24, 2014 |  |
| March 17, 2014 |  |
| March 10, 2014 |  |
| March 3, 2014 |  |
| February 24, 2014 |  |
| February 18, 2014 |  |
| February 10, 2014 |  |
| February 3, 2014 |  |
| January 27, 2014 |  |
| January 21, 2014 |  |
| January 13, 2014 |  |
| January 6, 2014 |  |
| December 30, 2013 |  |
| April 10, 2013 |  |
| April 1, 2013 |  |
| March 25, 2013 |  |
| March 18, 2013 |  |
| March 11, 2013 |  |
| March 4, 2013 |  |
| February 25, 2013 |  |
| February 19, 2013 |  |
| February 11, 2013 |  |
| February 4, 2013 |  |
| January 28, 2013 |  |
| January 22, 2013 |  |
| January 14, 2013 |  |
| January 7, 2013 |  |
| January 2, 2013 |  |
| December 17, 2012 |  |
| December 10, 2012 |  |
| April 9, 2012 |  |
| April 2, 2012 |  |
| March 26, 2012 |  |
| March 19, 2012 |  |
| March 12, 2012 |  |
| March 5, 2012 |  |
| February 27, 2012 |  |
| February 21, 2012 |  |
| February 13, 2012 |  |
| February 6, 2012 |  |
| January 30, 2012 |  |
| January 23, 2012 |  |
| January 17, 2012 |  |
| January 9, 2012 |  |
| January 3, 2012 |  |
| December 28, 2011 |  |
| April 11, 2011 |  |
| April 4, 2011 |  |
| March 28, 2011 |  |
| March 21, 2011 |  |
| March 15, 2011 |  |
| March 7, 2011 |  |
| February 28, 2011 |  |
| February 22, 2011 |  |
| February 14, 2011 |  |
| February 7, 2011 |  |
| January 31, 2011 |  |
| January 24, 2011 |  |
| January 18, 2011 |  |
| January 10, 2011 |  |
| January 3, 2011 |  |
| December 20, 2010 |  |
| April 5, 2010 |  |
| March 29, 2010 |  |
| March 22, 2010 |  |
| March 15, 2010 |  |
| March 8, 2010 |  |
| March 1, 2010 |  |
| February 22, 2010 |  |
| February 16, 2010 |  |
| February 8, 2010 |  |
| February 1, 2010 |  |
| January 25, 2010 |  |
| January 19, 2010 |  |
| January 11, 2010 |  |
| January 4, 2010 |  |
| December 28, 2009 |  |
| December 21, 2009 |  |
| December 14, 2009 |  |
| April 14, 2009 |  |
| April 7, 2009 |  |
| April 3, 2009 |  |
| March 31, 2009 |  |
| March 24, 2009 |  |
| March 16, 2009 |  |
| March 9, 2009 |  |
| March 4, 2009 |  |
| February 23, 2009 |  |
| February 18, 2009 |  |
| February 10, 2009 |  |
| February 3, 2009 |  |
| January 26, 2009 |  |
| January 20, 2009 |  |
| January 13, 2009 |  |
| January 6, 2009 |  |
| December 30, 2008 |  |
| December 22, 2008 |  |
| December 15, 2008 |  |
