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.

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Most Recent Monthly Insight

Analysis - Snow Today

March 4, 2025

Widespread snow, limited water

February 2025 snow summary Snow-covered area across the western United States was 87 percent of average for February, ranking sixteenth in the 25-year satellite record. On February 18, snow-covered area reached its maximum for the season. Snow cover duration was just above the twenty-fifth percentile of the 25-year satellite record. Snow albedo, also known as snow brightness, was low in early February. By mid-month, snowstorms increased the brightness, only to rapidly decrease to a seasonal low at month's end. Snow water equivalent (SWE) was below average for 76 percent of stations at the

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).