• Welcome to the new Snow Today website! Same content as before plus a new and improved Snow Data Viewer. Expect our first snow analysis article of the season in February.

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

Data Analysis
June 8, 2022
Snow-covered area for the western United States was 119 percent of average for May with above average snow cover in the North outbalancing below average snow cover in the South. Snow cover days remained well below average...

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).