####018006088####
FGUS53 KKRF 202030

RVFUMO



RIVER FORECAST

NWS MISSOURI BASIN RIVER FORECAST CENTER PLEASANT HILL MO

2030Z TUE MAY 20 2025

:

: 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





:                ***    AFTERNOON FORECAST    ***



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

:     *** 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  INFLOW 0.030 KCFS AT 0559Z ON MAY 20





:

.ER LRRM8  20250521 Z DC202505202030/DH00/QIIFFZZ/DIH6

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

.E1  : 0520 :                           /     0.339 /     0.337 

.E2  : 0521 :   /     0.334 /     0.331 /     0.328 /     0.324 

.E3  : 0522 :   /     0.321 /     0.317 /     0.313 /     0.309 

.E4  : 0523 :   /     0.306 /     0.302 /     0.298 /     0.295 

.E5  : 0524 :   /     0.291 /     0.287 /     0.284 /     0.280 

.E6  : 0525 :   /     0.277 /     0.274 /     0.270 /     0.267 

.E7  : 0526 :   /     0.264 /     0.261 /     0.258 /     0.255 

.E8  : 0527 :   /     0.252 /     0.249 



:



:CLARK CANYON DAM 18 SW, MT - BEAVERHEAD RIVER     HSA - TFX

:LATEST  INFLOW 0.135 KCFS AT 0559Z ON MAY 20





:

.ER CLKM8  20250521 Z DC202505202030/DH00/QIIFFZZ/DIH6

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

.E1  : 0520 :                           /     0.082 /     0.081 

.E2  : 0521 :   /     0.080 /     0.079 /     0.078 /     0.076 

.E3  : 0522 :   /     0.075 /     0.074 /     0.073 /     0.072 

.E4  : 0523 :   /     0.071 /     0.070 /     0.069 /     0.068 

.E5  : 0524 :   /     0.066 /     0.065 /     0.064 /     0.063 

.E6  : 0525 :   /     0.062 /     0.061 /     0.060 /     0.059 

.E7  : 0526 :   /     0.059 /     0.059 /     0.060 /     0.060 

.E8  : 0527 :   /     0.060 /     0.060 



:



:HEBGEN DAM, MT - MADISON RIVER     HSA - TFX

:LATEST  INFLOW 1.664 KCFS AT 0559Z ON MAY 20





:

.ER HBDM8  20250521 Z DC202505202030/DH00/QIIFFZZ/DIH6

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

.E1  : 0520 :                           /     1.861 /     1.876 

.E2  : 0521 :   /     1.938 /     2.025 /     2.061 /     2.065 

.E3  : 0522 :   /     2.063 /     2.067 /     2.069 /     2.078 

.E4  : 0523 :   /     2.125 /     2.182 /     2.225 /     2.275 

.E5  : 0524 :   /     2.341 /     2.384 /     2.406 /     2.415 

.E6  : 0525 :   /     2.439 /     2.454 /     2.452 /     2.477 

.E7  : 0526 :   /     2.534 /     2.570 /     2.598 /     2.651 

.E8  : 0527 :   /     2.734 /     2.788 



:



:CANYON FERRY DAM, MT - MISSOURI RIVER     HSA - TFX

:LATEST  INFLOW 9.691 KCFS AT 0559Z ON MAY 20





:

.ER CYNM8  20250521 Z DC202505202030/DH00/QIIFFZZ/DIH6

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

.E1  : 0520 :                           /     8.940 /     8.867 

.E2  : 0521 :   /     8.772 /     8.681 /     8.610 /     8.566 

.E3  : 0522 :   /     8.545 /     8.547 /     8.566 /     8.615 

.E4  : 0523 :   /     8.684 /     8.762 /     8.839 /     8.934 

.E5  : 0524 :   /     9.065 /     9.226 /     9.387 /     9.533 

.E6  : 0525 :   /     9.653 /     9.752 /     9.833 /     9.911 

.E7  : 0526 :   /     9.956 /    10.015 /    10.080 /    10.160 

.E8  : 0527 :   /    10.264 /    10.405 



:



:GIBSON DAM, MT - SUN RIVER     HSA - TFX

:LATEST  INFLOW 1.516 KCFS AT 0559Z ON MAY 20





:

.ER AGSM8  20250521 Z DC202505202030/DH00/QIIFFZZ/DIH6

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

.E1  : 0520 :                           /     1.314 /     1.283 

.E2  : 0521 :   /     1.265 /     1.261 /     1.260 /     1.248 

.E3  : 0522 :   /     1.231 /     1.214 /     1.198 /     1.203 

.E4  : 0523 :   /     1.263 /     1.368 /     1.475 /     1.542 

.E5  : 0524 :   /     1.572 /     1.581 /     1.576 /     1.558 

.E6  : 0525 :   /     1.537 /     1.516 /     1.489 /     1.470 

.E7  : 0526 :   /     1.472 /     1.490 /     1.510 /     1.535 

.E8  : 0527 :   /     1.574 /     1.623 



:



:TIBER DAM, MT - MARIAS RIVER     HSA - TFX

:LATEST  INFLOW 1.277 KCFS AT 0559Z ON MAY 20





:

.ER TBRM8  20250521 Z DC202505202030/DH00/QIIFFZZ/DIH6

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

.E1  : 0520 :                           /     1.398 /     1.374 

.E2  : 0521 :   /     1.351 /     1.329 /     1.307 /     1.284 

.E3  : 0522 :   /     1.262 /     1.239 /     1.227 /     1.215 

.E4  : 0523 :   /     1.203 /     1.190 /     1.178 /     1.204 

.E5  : 0524 :   /     1.187 /     1.173 /     1.166 /     1.169 

.E6  : 0525 :   /     1.187 /     1.212 /     1.234 /     1.247 

.E7  : 0526 :   /     1.255 /     1.259 /     1.260 /     1.258 

.E8  : 0527 :   /     1.254 /     1.250 



:



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

: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 jjl

:...END of MESSAGE...