Snow Today

Daily images of snow data and seasonal analyses

What's New from Snow Today

SWE graph for four hydrologic basins
Snow-cover-days anomaly map, April 2021
Sierra Nevada bighorn sheep in snow

Most Recent Monthly Insight

Snow Analysis
April 10, 2024
March started out dry in the western United States, but made significant gains in winter storms toward the end of the month, finishing tenth in snow-covered area over the 24-year-satellite record. Snow-covered area reached a maximum on January 17, 2024, spot on with the average over the data record.

What is Snow Today?

An avalanche
A variety of factors, including terrain, slope steepness, weather, temperature, and snowpack conditions can cause an avalanche. — Credit: Copyright Richard Armstrong

Snow Today is a NASA-funded research project that examines where snow is present, where it has snowed recently, and how much water is in the snow, while also comparing between snow today, snow yesterday, snow last year, and snow over the last few decades. 

You can find the following resources on our website:

The Snow Today project is a collaborative effort between the National Snow and Ice Data Center (NSIDC) and the Institute of Arctic and Alpine Research (INSTAAR).