Flash Flood Threat to Persist in the 4-Corners; Heat Threat in Several Regions

The threat of flash flooding will continue to exist into Monday across the Southwest into the the central Rockies as monsoon conditions persist. Dangerous heat will be in place across the Intermountain West, northern Plains, and into the southern Plains and Lower Mississippi River Valley into early week. Read More >

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Snow Avalanche Guidance (RPK)

Recent Snowfall Analysis

Snowpack Analysis

Snow Forecast At A Glance

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For current avalanche forecasts, conditions, and advisories go to Bridger-Teton Avalanche Center or Gallatin National Forest Avalanche Center

The Snow Avalanche Guidance (also known as the RPK) will return in mid November.

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24 Hour Observed Snowfall Analysis

This is an estimate of the amount of snow that has fallen over the past 24 hours.

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48 Hour Observed Snowfall Analysis

This is an estimate of the amount of snow that has fallen over the past 48 hours (two days).

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72 Hour Observed Snowfall Analysis

This is an estimate of the amount of snow that has fallen over the past 72 hours (three days).

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Snow Water Equivalent (SWE)

SWE is commonly used for measuring snowpack. This is how much water would be measured if the snow on the ground was completely melted.

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Snow Water Equivalent (SWE) Percent of Normal

This represents current basin-wide SWE values compared to average values for this date. Values above (below) 100% represent more than (less than) average snowpack for this date.