Snow Today

Daily images of snow data and seasonal analyses

Monthly Insights

Our scientific data analysis articles are published during the winter and spring months of the snow season. Select an article below to learn more about how snow conditions have changed across time.

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Snow cover anomaly map
January 13, 2021
December snow-covered area and snow cover days in the western United States were below average compared to the previous 20 years. Storms in mid-December bolstered the snow-covered area but not enough to bring it close to the December average.
Snow-disappearance anomaly map
June 11, 2020
Snow-covered area and snow cover days in the Western United States were below average in May 2020. The vast majority of snow monitoring sites in the Western United States no longer reported a snowpack by the end of the month.
Snow-percentage graphs for study sites
May 14, 2020
Snow-covered area and snow cover days were near average in April 2020. Snow-covered area continued to decline in April 2020 but was bolstered by storms in California in early April and in Colorado in late April.
SWE probability map
April 14, 2020
April 1 is historically viewed as nearing the maximum Snow Water Equivalent (SWE). The Rockies show less than a 50 percent probability of reaching maximum SWE in March while the Sierra Nevada, Arizona, New Mexico...
Graph of declining snow cover
March 11, 2020
February continued to see a trend of below average snow cover across the Western United States. Late January and early February storms replenished snow cover in some areas, but drought continues to impact California.
Graph of snow-covered area in western US, January 2020
February 24, 2020
Introducing Snow Today, a scientific analysis website that provides a snapshot and interpretation of snow conditions in near-real time across the Western United States, told with a unique combination of satellite data and surface observations.