FGUS53 KKRF 191501 RVFMIL RIVER FORECAST NWS MISSOURI BASIN RIVER FORECAST CENTER PLEASANT HILL MO 1501Z 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 MILK : ************************************************************** : *** 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 :________________________________________________________________ :INTL BOUNDARY, MT - SAINT MARY RIVER HSA - TFX :MINOR FLOOD STAGE 7.5 FT FCST ISSUANCE STAGE 6.5 FT :MODERATE FLOOD STAGE 8.5 FT MAJOR FLOOD STAGE 9.5 FT :LATEST RIVER STAGE 5.4 FT AT 1410Z ON MAY 19 :obs Stage / 18Z / 00Z / 06Z / 12Z : 0518 / 5.6 / 5.5 / 5.5 / 5.4 : .ER SMBM8 20260519 Z DC202605191501/DH18/HGIFFZZ/DIH6 :Stage Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0519 : / 5.4 / 5.3 / 5.2 .E2 : 0520 : / 5.2 / 5.2 / 5.2 / 5.2 .E3 : 0521 : / 5.3 / 5.3 / 5.3 / 5.3 .E4 : 0522 : / 5.3 / 5.3 / 5.3 / 5.3 .E5 : 0523 : / 5.2 / 5.2 / 5.2 / 5.2 .E6 : 0524 : / 5.2 / 5.2 / 5.2 / 5.2 .E7 : 0525 : / 5.1 / 5.1 / 5.1 / 5.1 .E8 : 0526 : / 5.1 :Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs): : / 18Z / 00Z / 06Z / 12Z : 0518 / 0.00 / 0.10 / 0.06 / 0.00 : :Local observed 24-hr basin-averaged precip total : QPE Total Ending May 19 at 14Z is 0.16 inches : :Local forecast 6-hr basin-averaged precip(inches) (NEXT 72 hrs): : / 12Z / 18Z / 00Z / 06Z : 0519 / 0.00 / 0.01 / 0.00 : 0520 / 0.04 / 0.13 / 0.12 / 0.13 : 0521 / 0.00 / 0.00 / 0.00 / 0.00 : 0522 / 0.00 : :Local forecast 72-hr basin-averaged precip total : QPF Total Ending May 22 0.43 inches :INTL BOUNDARY, MT - SAINT MARY RIVER HSA - TFX :LATEST RIVER DISCHARGE 1.380 KCFS AT 1410Z ON MAY 19 : .ER SMBM8 20260519 Z DC202605191501/DH18/QRIFFZZ/DIH6 :Flow Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0519 : / 1.335 / 1.266 / 1.210 .E2 : 0520 : / 1.191 / 1.195 / 1.196 / 1.205 .E3 : 0521 : / 1.249 / 1.305 / 1.316 / 1.307 .E4 : 0522 : / 1.295 / 1.280 / 1.252 / 1.219 .E5 : 0523 : / 1.191 / 1.171 / 1.153 / 1.136 .E6 : 0524 : / 1.126 / 1.120 / 1.114 / 1.106 .E7 : 0525 : / 1.100 / 1.096 / 1.091 / 1.083 .E8 : 0526 : / 1.077 : :________________________________________________________________ :EASTERN CROSSING, MT - MILK RIVER HSA - TFX :MINOR FLOOD STAGE 9.5 FT FCST ISSUANCE STAGE 8.5 FT :MODERATE FLOOD STAGE 11.0 FT MAJOR FLOOD STAGE 13.0 FT :LATEST RIVER STAGE 4.1 FT AT 1415Z ON MAY 19 :obs Stage / 18Z / 00Z / 06Z / 12Z : 0518 / 4.0 / 4.0 / 4.1 / 4.1 : .ER ERNM8 20260519 Z DC202605191501/DH18/HGIFFZZ/DIH6 :Stage Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0519 : / 4.1 / 4.1 / 4.1 .E2 : 0520 : / 4.1 / 4.0 / 4.0 / 4.0 .E3 : 0521 : / 4.0 / 4.0 / 4.0 / 4.0 .E4 : 0522 : / 4.0 / 4.0 / 4.0 / 4.0 .E5 : 0523 : / 4.0 / 4.0 / 4.0 / 4.0 .E6 : 0524 : / 4.0 / 4.0 / 4.0 / 4.0 .E7 : 0525 : / 4.0 / 4.0 / 4.0 / 4.0 .E8 : 0526 : / 4.0 :Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs): : / 18Z / 00Z / 06Z / 12Z : 0518 / 0.00 / 0.00 / 0.00 / 0.00 : :Local observed 24-hr basin-averaged precip total : QPE Total Ending May 19 at 14Z is 0.00 inches : :Local forecast 6-hr basin-averaged precip(inches) (NEXT 72 hrs): : / 12Z / 18Z / 00Z / 06Z : 0519 / 0.00 / 0.01 / 0.00 : 0520 / 0.00 / 0.04 / 0.02 / 0.00 : 0521 / 0.00 / 0.00 / 0.00 / 0.00 : 0522 / 0.00 : :Local forecast 72-hr basin-averaged precip total : QPF Total Ending May 22 0.07 inches :EASTERN CROSSING, MT - MILK RIVER HSA - TFX :LATEST RIVER DISCHARGE 0.554 KCFS AT 1415Z ON MAY 19 : .ER ERNM8 20260519 Z DC202605191501/DH18/QRIFFZZ/DIH6 :Flow Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0519 : / 0.536 / 0.535 / 0.529 .E2 : 0520 : / 0.522 / 0.512 / 0.506 / 0.501 .E3 : 0521 : / 0.499 / 0.498 / 0.497 / 0.497 .E4 : 0522 : / 0.497 / 0.497 / 0.498 / 0.498 .E5 : 0523 : / 0.498 / 0.499 / 0.499 / 0.499 .E6 : 0524 : / 0.500 / 0.500 / 0.500 / 0.500 .E7 : 0525 : / 0.501 / 0.501 / 0.501 / 0.502 .E8 : 0526 : / 0.502 : :________________________________________________________________ :HARLEM 4 SSE, MT - MILK RIVER HSA - TFX :MINOR FLOOD STAGE 21.0 FT FCST ISSUANCE STAGE 19.0 FT :MODERATE FLOOD STAGE 23.0 FT MAJOR FLOOD STAGE 25.0 FT :LATEST RIVER STAGE 6.4 FT AT 1430Z ON MAY 19 :obs Stage / 18Z / 00Z / 06Z / 12Z : 0518 / 6.7 / 6.5 / 6.4 / 6.5 : .ER HRLM8 20260519 Z DC202605191501/DH18/HGIFFZZ/DIH6 :Stage Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0519 : / 6.4 / 6.4 / 6.4 .E2 : 0520 : / 6.5 / 6.5 / 6.4 / 6.4 .E3 : 0521 : / 6.4 / 6.4 / 6.5 / 6.6 .E4 : 0522 : / 6.6 / 6.6 / 6.7 / 6.7 .E5 : 0523 : / 6.7 / 6.7 / 6.8 / 6.8 .E6 : 0524 : / 6.8 / 6.8 / 6.8 / 6.8 .E7 : 0525 : / 6.8 / 6.9 / 6.8 / 6.9 .E8 : 0526 : / 6.8 :Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs): : / 18Z / 00Z / 06Z / 12Z : 0518 / 0.00 / 0.00 / 0.00 / 0.00 : :Local observed 24-hr basin-averaged precip total : QPE Total Ending May 19 at 14Z is 0.00 inches : :Local forecast 6-hr basin-averaged precip(inches) (NEXT 72 hrs): : / 12Z / 18Z / 00Z / 06Z : 0519 / 0.00 / 0.00 / 0.00 : 0520 / 0.00 / 0.01 / 0.05 / 0.00 : 0521 / 0.00 / 0.00 / 0.00 / 0.00 : 0522 / 0.00 : :Local forecast 72-hr basin-averaged precip total : QPF Total Ending May 22 0.06 inches :HARLEM 4 SSE, MT - MILK RIVER HSA - TFX :LATEST RIVER DISCHARGE 0.544 KCFS AT 1430Z ON MAY 19 : .ER HRLM8 20260519 Z DC202605191501/DH18/QRIFFZZ/DIH6 :Flow Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0519 : / 0.538 / 0.535 / 0.539 .E2 : 0520 : / 0.543 / 0.543 / 0.537 / 0.537 .E3 : 0521 : / 0.542 / 0.542 / 0.549 / 0.555 .E4 : 0522 : / 0.560 / 0.565 / 0.568 / 0.572 .E5 : 0523 : / 0.575 / 0.576 / 0.580 / 0.583 .E6 : 0524 : / 0.582 / 0.583 / 0.586 / 0.586 .E7 : 0525 : / 0.587 / 0.592 / 0.588 / 0.590 .E8 : 0526 : / 0.589 : :________________________________________________________________ :NASHUA 1 SW, MT - MILK RIVER HSA - GGW :MINOR FLOOD STAGE 20.0 FT FCST ISSUANCE STAGE 18.0 FT :MODERATE FLOOD STAGE 28.0 FT MAJOR FLOOD STAGE 30.0 FT :LATEST RIVER STAGE 1.7 FT AT 1400Z ON MAY 19 :obs Stage / 18Z / 00Z / 06Z / 12Z : 0518 / 1.6 / 1.6 / 1.7 / 1.7 : .ER NSHM8 20260519 Z DC202605191501/DH18/HGIFFZZ/DIH6 :Stage Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0519 : / 1.7 / 1.7 / 1.7 .E2 : 0520 : / 1.7 / 1.7 / 1.7 / 1.7 .E3 : 0521 : / 1.6 / 1.6 / 1.6 / 1.6 .E4 : 0522 : / 1.6 / 1.6 / 1.6 / 1.6 .E5 : 0523 : / 1.6 / 1.6 / 1.6 / 1.6 .E6 : 0524 : / 1.6 / 1.6 / 1.5 / 1.5 .E7 : 0525 : / 1.5 / 1.5 / 1.5 / 1.5 .E8 : 0526 : / 1.5 :Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs): : / 18Z / 00Z / 06Z / 12Z : 0518 / 0.00 / 0.00 / 0.00 / 0.00 : :Local observed 24-hr basin-averaged precip total : QPE Total Ending May 19 at 14Z is 0.00 inches : :Local forecast 6-hr basin-averaged precip(inches) (NEXT 72 hrs): : / 12Z / 18Z / 00Z / 06Z : 0519 / 0.00 / 0.00 / 0.00 : 0520 / 0.00 / 0.00 / 0.04 / 0.00 : 0521 / 0.01 / 0.02 / 0.00 / 0.00 : 0522 / 0.01 : :Local forecast 72-hr basin-averaged precip total : QPF Total Ending May 22 0.08 inches :NASHUA 1 SW, MT - MILK RIVER HSA - GGW :LATEST RIVER DISCHARGE 0.135 KCFS AT 1400Z ON MAY 19 : .ER NSHM8 20260519 Z DC202605191501/DH18/QRIFFZZ/DIH6 :Flow Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0519 : / 0.132 / 0.135 / 0.136 .E2 : 0520 : / 0.134 / 0.131 / 0.126 / 0.116 .E3 : 0521 : / 0.109 / 0.104 / 0.102 / 0.101 .E4 : 0522 : / 0.101 / 0.101 / 0.101 / 0.100 .E5 : 0523 : / 0.099 / 0.098 / 0.096 / 0.094 .E6 : 0524 : / 0.093 / 0.092 / 0.090 / 0.088 .E7 : 0525 : / 0.087 / 0.086 / 0.084 / 0.082 .E8 : 0526 : / 0.081 : :**************************************************************** :COMMENT : : :HSA - Hydrologic Service Area :WFO - Weather Forecast Office :TFX - NWS WFO Great Falls, Montana :GGW - NWS WFO Glasgow, Montana :BIS - NWS WFO Bismarck, North Dakota :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 jmt :...END of MESSAGE...