


River Forecast
Issued by NWS
Issued by NWS
618 FGUS53 KKRF 041221 RVFSIO RIVER FORECAST NWS MISSOURI BASIN RIVER FORECAST CENTER PLEASANT HILL MO 1220Z MON AUG 4 2025 : : THIS PRODUCT HAS PRELIMINARY DATA AND SUBJECT TO REVISION. : REFER TO YOUR LOCAL WFO FOR THE LATEST OFFICIAL RIVER FORECAST. : FORECAST GROUP IS SIOUXS : ==> This forecast includes obsd precip & 24 hours of QPF RIVER/STATION FS TDY F O R E C A S T BIG SIOUX RIVER CASTLEWOOD 1 NW SD 9.0 8.0 CONTINUE TO FALL..LAST FCST :________________________________________________________________ :CASTLEWOOD 1 NW, SD - BIG SIOUX RIVER HSA - ABR :MINOR FLOOD STAGE 9.0 FT FCST ISSUANCE STAGE 8.0 FT :MODERATE FLOOD STAGE 11.0 FT MAJOR FLOOD STAGE 16.0 FT :LATEST RIVER STAGE 8.0 FT AT 1145Z ON AUG 04 :obs Stage / 18Z / 00Z / 06Z / 12Z : 0803 / 8.1 / 8.1 / 8.1 / 8.0 .ER CSWS2 20250804 Z DC202508041220/DH18/HGIFFZZ/DIH6 :Stage Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0804 : / 8.0 / 8.0 / 8.0 .E2 : 0805 : / 7.9 / 7.9 / 7.8 / 7.8 .E3 : 0806 : / 7.7 / 7.7 / 7.7 / 7.6 .E4 : 0807 : / 7.6 / 7.6 / 7.6 / 7.6 .E5 : 0808 : / 7.6 / 7.6 / 7.6 / 7.5 .E6 : 0809 : / 7.5 :Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs): : / 18Z / 00Z / 06Z / 12Z : 0803 / 0.00 / 0.00 / 0.00 / 0.00 : :Local observed 24-hr basin-averaged precip total : QPE Total Ending Aug 4 at 11Z is 0.00 inches : :Local forecast 6-hr basin-averaged precip(inches) (NEXT 24 hrs): : / 12Z / 18Z / 00Z / 06Z : 0804 / 0.00 / 0.01 / 0.04 : 0805 / 0.00 : :Local forecast 24-hr basin-averaged precip total : QPF Total Ending Aug 05 0.05 inches :**************************************************************** :COMMENT : : :HSA - Hydrologic Service Area :WFO - Weather Forecast Office :FSD - NWS WFO Sioux Falls, South Dakota :DMX - NWS WFO Des Moines, Iowa :OAX - NWS WFO Omaha, Nebraska :ABR - NWS WFO Aberdeen, South 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 cjs :...END of MESSAGE...