FGUS53 KKRF 191542
RVFUMO

RIVER FORECAST
NWS MISSOURI BASIN RIVER FORECAST CENTER PLEASANT HILL MO
1541Z TUE MAY 19 2026
:
: THIS PRODUCT HAS PRELIMINARY DATA AND SUBJECT TO REVISION.
: REFER TO YOUR LOCAL WFO FOR THE LATEST OFFICIAL RIVER FORECAST.

:    FORECAST GROUP IS UPRMO-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

:LIMA RESERVOIR, MT - RED ROCK RIVER     HSA - TFX
:LATEST ESTIMATED  INFLOW 0.101 KCFS AT 1200Z ON MAY 19


:
.ER LRRM8  20260519 Z DC202605191541/DH18/QIIFFZZ/DIH6
:Flow Fcst      /       12Z /       18Z /       00Z /       06Z 
.E1  : 0519 :               /     0.099 /     0.098 /     0.096 
.E2  : 0520 :   /     0.094 /     0.092 /     0.091 /     0.091 
.E3  : 0521 :   /     0.091 /     0.090 /     0.090 /     0.089 
.E4  : 0522 :   /     0.089 /     0.088 /     0.087 /     0.086 
.E5  : 0523 :   /     0.084 /     0.083 /     0.081 /     0.079 
.E6  : 0524 :   /     0.077 /     0.075 /     0.073 /     0.070 
.E7  : 0525 :   /     0.068 /     0.065 /     0.063 /     0.060 
.E8  : 0526 :   /     0.057 

:

:CLARK CANYON DAM 18 SW, MT - BEAVERHEAD RIVER     HSA - TFX
:LATEST ESTIMATED  INFLOW 0.077 KCFS AT 1200Z ON MAY 19


:
.ER CLKM8  20260519 Z DC202605191541/DH18/QIIFFZZ/DIH6
:Flow Fcst      /       12Z /       18Z /       00Z /       06Z 
.E1  : 0519 :               /     0.076 /     0.075 /     0.074 
.E2  : 0520 :   /     0.073 /     0.072 /     0.071 /     0.070 
.E3  : 0521 :   /     0.069 /     0.068 /     0.067 /     0.066 
.E4  : 0522 :   /     0.065 /     0.064 /     0.063 /     0.062 
.E5  : 0523 :   /     0.061 /     0.060 /     0.060 /     0.059 
.E6  : 0524 :   /     0.058 /     0.057 /     0.056 /     0.055 
.E7  : 0525 :   /     0.054 /     0.053 /     0.052 /     0.051 
.E8  : 0526 :   /     0.050 

:

:HEBGEN DAM, MT - MADISON RIVER     HSA - TFX
:LATEST ESTIMATED  INFLOW 1.425 KCFS AT 1200Z ON MAY 19


:
.ER HBDM8  20260519 Z DC202605191541/DH18/QIIFFZZ/DIH6
:Flow Fcst      /       12Z /       18Z /       00Z /       06Z 
.E1  : 0519 :               /     1.399 /     1.373 /     1.342 
.E2  : 0520 :   /     1.320 /     1.302 /     1.288 /     1.284 
.E3  : 0521 :   /     1.317 /     1.372 /     1.416 /     1.440 
.E4  : 0522 :   /     1.471 /     1.491 /     1.504 /     1.515 
.E5  : 0523 :   /     1.548 /     1.580 /     1.598 /     1.625 
.E6  : 0524 :   /     1.680 /     1.738 /     1.782 /     1.830 
.E7  : 0525 :   /     1.903 /     1.950 /     1.968 /     1.997 
.E8  : 0526 :   /     2.048 

:

:CANYON FERRY DAM, MT - MISSOURI RIVER     HSA - TFX
:LATEST ESTIMATED  INFLOW 5.080 KCFS AT 1200Z ON MAY 19


:
.ER CYNM8  20260519 Z DC202605191541/DH18/QIIFFZZ/DIH6
:Flow Fcst      /       12Z /       18Z /       00Z /       06Z 
.E1  : 0519 :               /     4.994 /     4.900 /     4.799 
.E2  : 0520 :   /     4.685 /     4.551 /     4.413 /     4.298 
.E3  : 0521 :   /     4.232 /     4.202 /     4.179 /     4.145 
.E4  : 0522 :   /     4.108 /     4.079 /     4.048 /     4.004 
.E5  : 0523 :   /     3.952 /     3.899 /     3.848 /     3.801 
.E6  : 0524 :   /     3.759 /     3.718 /     3.673 /     3.637 
.E7  : 0525 :   /     3.628 /     3.648 /     3.679 /     3.711 
.E8  : 0526 :   /     3.755 

:

:GIBSON DAM, MT - SUN RIVER     HSA - TFX
:LATEST ESTIMATED  INFLOW 1.566 KCFS AT 1200Z ON MAY 19


:
.ER AGSM8  20260519 Z DC202605191541/DH18/QIIFFZZ/DIH6
:Flow Fcst      /       12Z /       18Z /       00Z /       06Z 
.E1  : 0519 :               /     1.516 /     1.454 /     1.422 
.E2  : 0520 :   /     1.395 /     1.373 /     1.372 /     1.406 
.E3  : 0521 :   /     1.479 /     1.632 /     1.874 /     2.130 
.E4  : 0522 :   /     2.312 /     2.408 /     2.455 /     2.475 
.E5  : 0523 :   /     2.467 /     2.444 /     2.431 /     2.426 
.E6  : 0524 :   /     2.414 /     2.407 /     2.422 /     2.447 
.E7  : 0525 :   /     2.462 /     2.475 /     2.506 /     2.545 
.E8  : 0526 :   /     2.574 

:

:TIBER DAM, MT - MARIAS RIVER     HSA - TFX
:LATEST ESTIMATED  INFLOW 1.529 KCFS AT 1200Z ON MAY 19


:
.ER TBRM8  20260519 Z DC202605191541/DH18/QIIFFZZ/DIH6
:Flow Fcst      /       12Z /       18Z /       00Z /       06Z 
.E1  : 0519 :               /     1.466 /     1.411 /     1.341 
.E2  : 0520 :   /     1.275 /     1.217 /     1.169 /     1.123 
.E3  : 0521 :   /     1.070 /     1.040 /     1.015 /     1.000 
.E4  : 0522 :   /     1.005 /     1.034 /     1.080 /     1.140 
.E5  : 0523 :   /     1.182 /     1.199 /     1.191 /     1.167 
.E6  : 0524 :   /     1.139 /     1.112 /     1.087 /     1.068 
.E7  : 0525 :   /     1.059 /     1.061 /     1.067 /     1.075 
.E8  : 0526 :   /     1.086 

:

:****************************************************************
:COMMENT
:
:
:HSA - Hydrologic Service Area
:WFO - Weather Forecast Office
:TFX - NWS WFO Great Falls, Montana
: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 cwh
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