FGUS53 KKRF 181505 RVFNPL RIVER FORECAST NWS MISSOURI BASIN RIVER FORECAST CENTER PLEASANT HILL MO 1504Z MON MAY 18 2026 : : THIS PRODUCT HAS PRELIMINARY DATA AND SUBJECT TO REVISION. : REFER TO YOUR LOCAL WFO FOR THE LATEST OFFICIAL RIVER FORECAST. : FORECAST GROUP IS NOPLAT : ********************************************************** : *** THESE FORECASTS ARE SIGNIFICANTLY AFFECTED BY QPF *** : ********************************************************** : ************************************************************** : *** This forecast includes projected snowmelt due to *** : *** forecasted 6-hour mean temperatures for next 15 days. *** : ************************************************************** : ==> This forecast includes obsd precip & 24 hours of QPF :________________________________________________________________ :NORTHGATE 4 NW, CO - NORTH PLATTE RIVER HSA - BOU :MINOR FLOOD STAGE 8.0 FT FCST ISSUANCE STAGE 7.0 FT :MODERATE FLOOD STAGE 9.5 FT MAJOR FLOOD STAGE 11.0 FT :LATEST RIVER STAGE 2.8 FT AT 1445Z ON MAY 18 :obs Stage / 18Z / 00Z / 06Z / 12Z : 0517 / 2.6 / 2.7 / 2.7 / 2.8 : .ER NGTC2 20260518 Z DC202605181504/DH18/HGIFFZZ/DIH6 :Stage Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0518 : / 2.9 / 2.9 / 2.9 .E2 : 0519 : / 2.9 / 2.8 / 2.8 / 2.7 .E3 : 0520 : / 2.6 / 2.5 / 2.5 / 2.4 .E4 : 0521 : / 2.5 / 2.5 / 2.5 / 2.5 .E5 : 0522 : / 2.6 / 2.6 / 2.6 / 2.7 .E6 : 0523 : / 2.7 :Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs): : / 18Z / 00Z / 06Z / 12Z : 0517 / 0.01 / 0.12 / 0.17 / 0.27 : :Local observed 24-hr basin-averaged precip total : QPE Total Ending May 18 at 14Z is 0.57 inches : :Local forecast 6-hr basin-averaged precip(inches) (NEXT 24 hrs): : / 12Z / 18Z / 00Z / 06Z : 0518 / 0.24 / 0.26 / 0.03 : 0519 / 0.00 : :Local forecast 24-hr basin-averaged precip total : QPF Total Ending May 19 0.53 inches :________________________________________________________________ :ENCAMPMENT 8 NE, WY - ENCAMPMENT RIVER HSA - CYS :MINOR FLOOD STAGE 6.5 FT FCST ISSUANCE STAGE 5.5 FT :MODERATE FLOOD STAGE 7.5 FT MAJOR FLOOD STAGE 8.5 FT :LATEST RIVER STAGE 3.4 FT AT 1430Z ON MAY 18 :obs Stage / 18Z / 00Z / 06Z / 12Z : 0517 / 3.4 / 3.3 / 3.4 / 3.5 : .ER ECRW4 20260518 Z DC202605181504/DH18/HGIFFZZ/DIH6 :Stage Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0518 : / 3.4 / 3.3 / 3.4 .E2 : 0519 : / 3.5 / 3.1 / 3.0 / 3.1 .E3 : 0520 : / 3.2 / 3.0 / 3.0 / 3.0 .E4 : 0521 : / 2.9 / 2.9 / 2.9 / 2.9 .E5 : 0522 : / 2.9 / 3.0 / 3.1 / 3.2 .E6 : 0523 : / 3.3 :Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs): : / 18Z / 00Z / 06Z / 12Z : 0517 / 0.00 / 0.02 / 0.11 / 0.17 : :Local observed 24-hr basin-averaged precip total : QPE Total Ending May 18 at 14Z is 0.30 inches : :Local forecast 6-hr basin-averaged precip(inches) (NEXT 24 hrs): : / 12Z / 18Z / 00Z / 06Z : 0518 / 0.29 / 0.36 / 0.07 : 0519 / 0.00 : :Local forecast 24-hr basin-averaged precip total : QPF Total Ending May 19 0.72 inches :________________________________________________________________ :SARATOGA, WY - NORTH PLATTE RIVER HSA - CYS :MINOR FLOOD STAGE 8.5 FT FCST ISSUANCE STAGE 7.5 FT :MODERATE FLOOD STAGE 9.5 FT MAJOR FLOOD STAGE 10.5 FT :LATEST RIVER STAGE 5.0 FT AT 1445Z ON MAY 18 :obs Stage / 18Z / 00Z / 06Z / 12Z : 0517 / 4.8 / 4.9 / 4.9 / 5.0 : .ER SRAW4 20260518 Z DC202605181504/DH18/HGIFFZZ/DIH6 :Stage Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0518 : / 5.0 / 4.9 / 4.9 .E2 : 0519 : / 4.9 / 4.9 / 4.8 / 4.7 .E3 : 0520 : / 4.7 / 4.7 / 4.6 / 4.6 .E4 : 0521 : / 4.5 / 4.4 / 4.4 / 4.4 .E5 : 0522 : / 4.4 / 4.4 / 4.4 / 4.5 .E6 : 0523 : / 4.6 :Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs): : / 18Z / 00Z / 06Z / 12Z : 0517 / 0.01 / 0.11 / 0.25 / 0.49 : :Local observed 24-hr basin-averaged precip total : QPE Total Ending May 18 at 14Z is 0.86 inches : :Local forecast 6-hr basin-averaged precip(inches) (NEXT 24 hrs): : / 12Z / 18Z / 00Z / 06Z : 0518 / 0.34 / 0.26 / 0.02 : 0519 / 0.00 : :Local forecast 24-hr basin-averaged precip total : QPF Total Ending May 19 0.62 inches :________________________________________________________________ :SINCLAIR 7 NE, WY - NORTH PLATTE RIVER HSA - CYS :MINOR FLOOD STAGE 9.0 FT FCST ISSUANCE STAGE 8.5 FT :MODERATE FLOOD STAGE 10.0 FT MAJOR FLOOD STAGE 11.0 FT :LATEST RIVER STAGE 4.3 FT AT 1145Z ON MAY 18 :obs Stage / 18Z / 00Z / 06Z / 12Z : 0517 / 4.0 / 4.0 / 4.1 / 4.3 : .ER SINW4 20260518 Z DC202605181504/DH18/HGIFFZZ/DIH6 :Stage Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0518 : / 4.1 / 4.1 / 4.2 .E2 : 0519 : / 4.4 / 4.1 / 4.1 / 4.2 .E3 : 0520 : / 4.4 / 4.0 / 4.0 / 4.1 .E4 : 0521 : / 4.3 / 3.9 / 3.9 / 4.0 .E5 : 0522 : / 4.1 / 3.8 / 3.8 / 3.9 .E6 : 0523 : / 4.0 :Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs): : / 18Z / 00Z / 06Z / 12Z : 0517 / 0.00 / 0.04 / 0.19 / 0.38 : :Local observed 24-hr basin-averaged precip total : QPE Total Ending May 18 at 11Z is 0.61 inches : :Local forecast 6-hr basin-averaged precip(inches) (NEXT 24 hrs): : / 12Z / 18Z / 00Z / 06Z : 0518 / 0.57 / 0.18 / 0.02 : 0519 / 0.00 : :Local forecast 24-hr basin-averaged precip total : QPF Total Ending May 19 0.77 inches :________________________________________________________________ :HANNA 10 N, WY - MEDICINE BOW RIVER HSA - CYS :MINOR FLOOD STAGE 6.0 FT FCST ISSUANCE STAGE 5.0 FT :MODERATE FLOOD STAGE 7.0 FT MAJOR FLOOD STAGE 8.0 FT :LATEST RIVER STAGE 2.2 FT AT 1430Z ON MAY 18 :obs Stage / 18Z / 00Z / 06Z / 12Z : 0517 / 2.1 / 2.0 / 2.1 / 2.1 : .ER HANW4 20260518 Z DC202605181504/DH18/HGIFFZZ/DIH6 :Stage Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0518 : / 2.5 / 2.8 / 2.9 .E2 : 0519 : / 2.9 / 3.0 / 3.0 / 3.0 .E3 : 0520 : / 3.0 / 3.0 / 3.0 / 2.9 .E4 : 0521 : / 2.8 / 2.8 / 2.8 / 2.8 .E5 : 0522 : / 2.7 / 2.7 / 2.6 / 2.6 .E6 : 0523 : / 2.6 :Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs): : / 18Z / 00Z / 06Z / 12Z : 0517 / 0.00 / 0.07 / 0.31 / 0.49 : :Local observed 24-hr basin-averaged precip total : QPE Total Ending May 18 at 14Z is 0.87 inches : :Local forecast 6-hr basin-averaged precip(inches) (NEXT 24 hrs): : / 12Z / 18Z / 00Z / 06Z : 0518 / 0.40 / 0.12 / 0.01 : 0519 / 0.00 : :Local forecast 24-hr basin-averaged precip total : QPF Total Ending May 19 0.53 inches :________________________________________________________________ :WOODS LANDING 3 NE, WY - LARAMIE RIVER HSA - CYS :MINOR FLOOD STAGE 6.0 FT FCST ISSUANCE STAGE 5.0 FT :MODERATE FLOOD STAGE 6.5 FT MAJOR FLOOD STAGE 7.0 FT :LATEST RIVER STAGE 1.8 FT AT 1445Z ON MAY 18 :obs Stage / 18Z / 00Z / 06Z / 12Z : 0517 / 1.6 / 1.7 / 1.7 / 1.8 : .ER WODW4 20260518 Z DC202605181504/DH18/HGIFFZZ/DIH6 :Stage Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0518 : / 1.8 / 1.7 / 1.7 .E2 : 0519 : / 1.8 / 1.7 / 1.6 / 1.6 .E3 : 0520 : / 1.6 / 1.6 / 1.5 / 1.5 .E4 : 0521 : / 1.5 / 1.5 / 1.5 / 1.4 .E5 : 0522 : / 1.5 / 1.5 / 1.4 / 1.4 .E6 : 0523 : / 1.4 :Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs): : / 18Z / 00Z / 06Z / 12Z : 0517 / 0.01 / 0.08 / 0.31 / 0.40 : :Local observed 24-hr basin-averaged precip total : QPE Total Ending May 18 at 14Z is 0.80 inches : :Local forecast 6-hr basin-averaged precip(inches) (NEXT 24 hrs): : / 12Z / 18Z / 00Z / 06Z : 0518 / 0.15 / 0.36 / 0.06 : 0519 / 0.00 : :Local forecast 24-hr basin-averaged precip total : QPF Total Ending May 19 0.57 inches :________________________________________________________________ :LARAMIE, WY - LARAMIE RIVER HSA - CYS :MINOR FLOOD STAGE 9.0 FT FCST ISSUANCE STAGE 8.0 FT :MODERATE FLOOD STAGE 10.0 FT MAJOR FLOOD STAGE 11.0 FT :LATEST RIVER STAGE 3.8 FT AT 1400Z ON MAY 18 :obs Stage / 18Z / 00Z / 06Z / 12Z : 0517 / 3.6 / 3.6 / 3.9 / 3.9 : .ER LLRW4 20260518 Z DC202605181504/DH18/HGIFFZZ/DIH6 :Stage Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0518 : / 3.9 / 3.9 / 3.9 .E2 : 0519 : / 3.9 / 3.9 / 4.0 / 4.0 .E3 : 0520 : / 4.0 / 4.0 / 4.0 / 4.1 .E4 : 0521 : / 4.1 / 4.1 / 4.1 / 4.1 .E5 : 0522 : / 4.1 / 4.1 / 4.1 / 4.1 .E6 : 0523 : / 4.1 :Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs): : / 18Z / 00Z / 06Z / 12Z : 0517 / 0.01 / 0.10 / 0.38 / 0.32 : :Local observed 24-hr basin-averaged precip total : QPE Total Ending May 18 at 14Z is 0.81 inches : :Local forecast 6-hr basin-averaged precip(inches) (NEXT 24 hrs): : / 12Z / 18Z / 00Z / 06Z : 0518 / 0.14 / 0.16 / 0.02 : 0519 / 0.00 : :Local forecast 24-hr basin-averaged precip total : QPF Total Ending May 19 0.32 inches :**************************************************************** :COMMENT : : :HSA - Hydrologic Service Area :WFO - Weather Forecast Office :BOU - NWS WFO Denver, Colorado :CYS - NWS WFO Cheyenne, Wyoming :RIW - NWS WFO Riverton, Wyoming :LBF - NWS WFO North Platte, Nebraska :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 bds :...END of MESSAGE...