Colorado Basin River Forecast Center
June final Forecast
06-03-2026

:FLOOD CONTROL RESERVOIR UNREGULATED INFLOW FORECASTS
1 June through 31 July 2026 (units:: 1000's Acre-Feet)
Reservoir ID, Reservoir Name, Most Probable
LKSA3, Lake Mead      ,   315
GLDA3, Lake Powell    ,   195
NVRN5, Navajo         ,    -2
BMDC2, Blue Mesa Res  ,    58
GRNU1, Flaming Gorge  ,   229

:Other Reservoir Unregulated Inflow Forecasts
OBSERVED MONTHLY INFLOW VOLUMES PROVIDED BY THE BUREAU OF RECLAMATION
Reservoir, Reservoir, Observed Inflow (kaf),,,,May,Inflow Forecast (kaf),,,Outlook
ID   ,Name           , Feb, Mar, Apr, May,%Avg,  Jun,  Jul,  Aug,Apr-Jul,%Avg
GLDA3,Lake Powell    , 253, 350, 372, 383, 18%,  170,   25,   80,  950,  15%
GBRW4,Fontenelle     ,  31,  57,  46,  66, 38%,  155,   63,   29,330.0,  45%
GRNU1,Flaming Gorge  ,  42,  64,  51,  70, 28%,  160,   69,   30,  350,  36%
BMDC2,Blue Mesa      ,  23,  42,  37,  55, 27%,   38,   20,   25,  150,  24%
MPSC2,Morrow Point   ,  25,  44,  38,  56, 25%,   40,   21,   26,  155,  22%
CLSC2,Crystal        ,  26,  48,  41,  58, 23%,   43,   23,   29,  165,  21%
TPIC2,Taylor Park    , 3.3, 7.3, 7.4,12.1, 46%,  8.5,  5.0,     ,   33,  35%
VCRC2,Vallecito      , 4.5,15.2,  21,  28, 43%,   14,    7,    7,   70,  40%
NVRN5,Navajo         ,19.8,  70,  73,  87, 36%,    8,  -10,   -2,  158,  25%
LEMC2,Lemon          ,0.68, 3.9, 4.5, 6.8, 36%,  2.5,  1.5,  1.5, 15.3,  32%
MPHC2,McPhee         , 3.1,19.2,  23,  22, 20%,  7.0,  6.0,  6.0,   58,  23%
RBSC2,Ridgway        , 3.7, 5.3, 4.3, 7.2, 31%, 10.5,  6.0,  5.5,   28,  30%
YDLC2,Deerlodge      ,  22,  63, 103, 150, 30%,   65,    2,    3,320.0,  27%
DRGC2,Durango        , 9.3,  25,  32,  45, 35%,   31,   14,   11,  122,  32%
PRSC2,Paonia         ,1.21, 4.1, 5.6, 4.6, 12%,  1.0,  0.3,  0.8, 11.5,  14%

:Other
OBSERVED MONTHLY INFLOW VOLUMES PROVIDED BY THE BUREAU OF RECLAMATION
Reservoir, Reservoir, Observed Inflow (kaf),,,,May,Inflow Forecast (kaf),,,Outlook
ID   ,Name           , Feb, Mar, Apr, May,%Avg,  Jun,  Jul,  Aug,Mar-Jun,%Avg
PRSC2-2,Paonia       ,1.21, 4.1, 5.6, 4.6, 12%,  1.0,  0.3,  0.8, 15.3,  19%


# PRECIPITATION SUMMARY - % OF AVERAGE BY MONTH - WY 2026
RIVER BASIN            ,  Oct,  Nov,  Dec,  Jan,  Feb,  Mar,  Apr,  May
GREEN
   ABV FLAMING GORGE   ,  150,   50,  195,   65,   90,   45,   85,  100
   ABV GRN RVR UT (TOT),  130,   50,  130,   65,  100,   35,   95,  100
COLORADO
   ABV  GRAND JUNCTION ,   95,   40,   75,   65,   90,   40,   80,   65
   GUNNISON BASIN      ,  170,   55,   60,   65,   95,   20,  105,   50
   DOLORES BASIN       ,  175,   85,   40,   75,   95,   15,  120,   35
   ABV CISCO (TOTAL)   ,  130,   50,   65,   70,   90,   30,   95,   60
SAN JUAN
   ABV BLUFF (TOTAL)   ,  255,   70,   45,   45,   90,   10,  125,   45
ABV LAKE POWELL (TOTAL),  150,   55,   80,   65,   95,   30,   95,   70
     
B.Alcorn/C.Moser/W.Hanft
CBRFC (801-524-5130)