Snow Today

Daily images of snow data and seasonal analyses

What's New from Snow Today

Explore Current Snow Conditions

Use the Snow Today interactive data viewer to explore current various aspects of snow conditions and how they compare to past years.

Go to the Data Viewer

Read our Monthly Insights

Each snow season, our scientists write monthly data analyses examining how snow conditions are changing across the western United States.

Learn About the Snow Today Project

This NASA-funded research project provides data and insights about snow today, snow yesterday, snow last year, and snow over time.

Learn more

Most Recent Monthly Insight

Data Analysis

May 10, 2023

What snow builds up must meltdown

Snow-covered area for the western United States hit another record for April, the second month in a row since the satellite record began in 2001. With longer days, more sun, and increasing temperatures in the coming months, concerns arise for how quickly the snowpack may melt in California with potential for flood risks.

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:

Daily data visualizations of snow conditions in near-real time across the western United States
Scientific data analysis articles published during the winter and spring months of the snow season

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).