SLCESPCO National Weather Service Colorado Basin River Forecast Center Salt Lake City, Utah October 1, 2026 San Juan Basin Special Forecast Group October 2026 Forecasts Forecast volumes in thousands of acre-feet (KAF) Animas-Durango FORECAST 90% 50% 10% Oct 23 30 38 Nov 13 17 20 Dec 10 13 15 Navajo Reservoir FORECAST 90% 50% 10% Oct 35 50 65 Nov 24 31 39 Dec 16 21 30