499  
FGUS53 KKRF 111450  
RVFBGH  
 
RIVER FORECAST  
NWS MISSOURI BASIN RIVER FORECAST CENTER PLEASANT HILL MO  
1449Z MON MAY 11 2026  
:  
: THIS PRODUCT HAS PRELIMINARY DATA AND SUBJECT TO REVISION.  
: REFER TO YOUR LOCAL WFO FOR THE LATEST OFFICIAL RIVER FORECAST.  
 
: FORECAST GROUP IS BIGHORN-RES  
 
: **********************************************************  
: *** R E S E R V O I R I N F L O W F O R E C A S T ***  
: **********************************************************  
 
: **************************************************************  
: *** THIS FORECAST INCLUDES PROJECTED SNOWMELT DUE TO ***  
: *** FORECASTED 6-HOUR MEAN TEMPERATURES FOR NEXT 15 DAYS. ***  
: **************************************************************  
 
: ==> THIS FORECAST INCLUDES OBSD PRECIP & 72 HOURS OF QPF  
 
:BULL LAKE RES, WY - BULL LAKE CREEK HSA - RIW  
:LATEST ESTIMATED INFLOW 0.180 KCFS AT 1200Z ON MAY 11  
 
:  
.ER BLRW4 20260511 Z DC202605111449/DH18/QIIFFZZ/DIH6  
:FLOW FCST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0511 : / 0.181 / 0.179 / 0.180  
.E2 : 0512 : / 0.189 / 0.199 / 0.204 / 0.206  
.E3 : 0513 : / 0.214 / 0.222 / 0.224 / 0.227  
.E4 : 0514 : / 0.235 / 0.240 / 0.233 / 0.220  
.E5 : 0515 : / 0.210 / 0.203 / 0.195 / 0.187  
.E6 : 0516 : / 0.181 / 0.178 / 0.174 / 0.169  
.E7 : 0517 : / 0.165 / 0.161 / 0.156 / 0.148  
.E8 : 0518 : / 0.142  
 
:  
 
:BOYSEN DAM, WY - WIND RIVER HSA - RIW  
:LATEST ESTIMATED INFLOW 0.663 KCFS AT 1200Z ON MAY 11  
 
:  
.ER SBDW4 20260511 Z DC202605111449/DH18/QIIFFZZ/DIH6  
:FLOW FCST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0511 : / 0.664 / 0.656 / 0.634  
.E2 : 0512 : / 0.625 / 0.602 / 0.581 / 0.568  
.E3 : 0513 : / 0.563 / 0.549 / 0.540 / 0.537  
.E4 : 0514 : / 0.536 / 0.534 / 0.533 / 0.532  
.E5 : 0515 : / 0.531 / 0.530 / 0.529 / 0.527  
.E6 : 0516 : / 0.526 / 0.525 / 0.524 / 0.523  
.E7 : 0517 : / 0.521 / 0.520 / 0.519 / 0.518  
.E8 : 0518 : / 0.517  
 
:  
 
:BUFFALO BILL DAM, WY - SHOSHONE RIVER HSA - RIW  
:LATEST ESTIMATED INFLOW 1.928 KCFS AT 1200Z ON MAY 11  
 
:  
.ER CDYW4 20260511 Z DC202605111449/DH18/QIIFFZZ/DIH6  
:FLOW FCST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0511 : / 2.075 / 2.046 / 2.069  
.E2 : 0512 : / 2.189 / 2.156 / 1.995 / 1.982  
.E3 : 0513 : / 2.211 / 2.276 / 2.152 / 2.154  
.E4 : 0514 : / 2.422 / 2.462 / 2.363 / 2.234  
.E5 : 0515 : / 2.324 / 2.263 / 2.090 / 1.910  
.E6 : 0516 : / 1.761 / 1.705 / 1.661 / 1.618  
.E7 : 0517 : / 1.585 / 1.559 / 1.523 / 1.467  
.E8 : 0518 : / 1.402  
 
:  
 
:BIGHORN RES, MT - BIGHORN RIVER HSA - BYZ  
:LATEST ESTIMATED INFLOW 1.716 KCFS AT 1200Z ON MAY 11  
 
:  
.ER BHRM8 20260511 Z DC202605111449/DH18/QIIFFZZ/DIH6  
:FLOW FCST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0511 : / 1.704 / 1.687 / 1.688  
.E2 : 0512 : / 1.697 / 1.708 / 1.729 / 1.747  
.E3 : 0513 : / 1.764 / 1.782 / 1.791 / 1.794  
.E4 : 0514 : / 1.791 / 1.786 / 1.791 / 1.813  
.E5 : 0515 : / 1.853 / 1.904 / 1.948 / 1.978  
.E6 : 0516 : / 1.991 / 1.986 / 1.968 / 1.938  
.E7 : 0517 : / 1.903 / 1.870 / 1.843 / 1.822  
.E8 : 0518 : / 1.813  
 
:  
 
:****************************************************************  
:COMMENT  
:  
:  
:HSA - HYDROLOGIC SERVICE AREA  
:WFO - WEATHER FORECAST OFFICE  
:RIW - NWS WFO RIVERTON, WYOMING  
:OBS - OBSERVED  
:EST - ESTIMATED  
:M - MISSING  
:STAGE FCST - RIVER STAGE FORECAST INCLUDING FUTURE PRECIPITATION  
:FLOW FCST - RIVER FLOW FORECAST INCLUDING FUTURE PRECIPITATION  
:PRECIP - PRECIPITATION  
:QPE - OBSERVED RADAR ESTIMATED PRECIPITATION  
:QPF - FORECASTED MEAN AREAL PRECIPITATION FOR LOCAL BASIN  
:  
:  

 
:MBRFC STJ  
:...END OF MESSAGE...  
 
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