San Juan River Outlook

Much below average precipitation has persisted since October in the San Juan Basin with 5%, 5%, and 15% of average precipitation, for October, November, December, respectively. The snowpack is at 20% of average. As a result, spring runoff forecasts call for 45% to 60% of average flows.

April-July streamflow forecasts for the San Juan Basin are as follows:

San Juan River:
Much Below Average

Water Supply Outlook for the Upper Colorado - January, 2000
Colorado Basin River Forecast Center (
Last Modified: Wednesday, 20-Mar-2024 17:11:06 UTC