FGUS53 KKRF 211544

RVFYEL



RIVER FORECAST

NWS MISSOURI BASIN RIVER FORECAST CENTER PLEASANT HILL MO

1544Z TUE APR 21 2026

:

: THIS PRODUCT HAS PRELIMINARY DATA AND SUBJECT TO REVISION.

: REFER TO YOUR LOCAL WFO FOR THE LATEST OFFICIAL RIVER FORECAST.



:    FORECAST GROUP IS YELLOW-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



:TONGUE RIVER RES, MT - TONGUE RIVER      HSA - BYZ

:LATEST ESTIMATED  INFLOW 0.267 KCFS AT 1200Z ON APR 21





:

.ER DKRM8  20260421 Z DC202604211544/DH18/QIIFFZZ/DIH6

:Flow Fcst      /       12Z /       18Z /       00Z /       06Z 

.E1  : 0421 :               /     0.245 /     0.295 /     0.284 

.E2  : 0422 :   /     0.292 /     0.300 /     0.319 /     0.351 

.E3  : 0423 :   /     0.382 /     0.383 /     0.409 /     0.408 

.E4  : 0424 :   /     0.358 /     0.298 /     0.265 /     0.255 

.E5  : 0425 :   /     0.251 /     0.246 /     0.242 /     0.239 

.E6  : 0426 :   /     0.236 /     0.233 /     0.229 /     0.226 

.E7  : 0427 :   /     0.223 /     0.220 /     0.217 /     0.214 

.E8  : 0428 :   /     0.211 



:



:****************************************************************

:COMMENT

:

:

:HSA - Hydrologic Service Area

:WFO - Weather Forecast Office

:RIW - NWS WFO Riverton, Wyoming

:BYZ - NWS WFO Billings, Montana

:GGW - NWS WFO Glasgow, Montana

: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 ecd

:...END of MESSAGE...