River Forecast
Issued by NWS
Issued by NWS
136 FGUS53 KKRF 301820 RVFSIO RIVER FORECAST NWS MISSOURI BASIN RIVER FORECAST CENTER PLEASANT HILL MO 1819Z WED JUL 30 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 : *** AFTERNOON FORECAST *** : ==> This forecast includes obsd precip & 24 hours of QPF RIVER/STATION FS TDY F O R E C A S T FLOYD RIVER ALTON IA 12.0 10.5 CREST NEAR 10.8 FT 07/30 PM LE MARS NO.2 IA 20.0 18.0 CREST NEAR 18.8 FT 07/30 PM BIG SIOUX RIVER CASTLEWOOD 1 NW SD 9.0 11.1 REMAIN ABV FS NEXT FEW DAYS :________________________________________________________________ :ALTON, IA - FLOYD RIVER HSA - FSD :MINOR FLOOD STAGE 12.0 FT FCST ISSUANCE STAGE 10.0 FT :MODERATE FLOOD STAGE 16.0 FT MAJOR FLOOD STAGE 22.0 FT :LATEST RIVER STAGE 10.5 FT AT 1800Z ON JUL 30 :obs Stage / 00Z / 06Z / 12Z / 18Z : 0730 / 7.3 / 12.0 / 10.5 / 10.5 : .AR :CREST: ALTI4 0731 Z DC202507301819/DH0000/HGIFFXZ 10.8 .ER ALTI4 20250731 Z DC202507301819/DH00/HGIFFZZ/DIH6 :Stage Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0730 : / 10.8 / 10.5 .E2 : 0731 : / 9.5 / 8.0 / 7.2 / 6.9 .E3 : 0801 : / 6.7 / 6.6 / 6.6 / 6.6 .E4 : 0802 : / 6.5 / 6.5 / 6.4 / 6.4 .E5 : 0803 : / 6.4 / 6.3 / 6.3 / 6.3 .E6 : 0804 : / 6.3 / 6.3 :Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs): : / 00Z / 06Z / 12Z / 18Z : 0730 / 0.00 / 1.41 / 0.01 / 0.00 : :Local observed 24-hr basin-averaged precip total : QPE Total Ending Jul 30 at 18Z is 1.42 inches : :Local forecast 6-hr basin-averaged precip(inches) (NEXT 24 hrs): : / 12Z / 18Z / 00Z / 06Z : 0730 / 0.04 / 0.19 : 0731 / 0.00 / 0.00 : :Local forecast 24-hr basin-averaged precip total : QPF Total Ending Jul 31 0.23 inches :________________________________________________________________ :LE MARS NO.2, IA - FLOYD RIVER HSA - FSD :MINOR FLOOD STAGE 20.0 FT FCST ISSUANCE STAGE 18.0 FT :MODERATE FLOOD STAGE 21.0 FT MAJOR FLOOD STAGE 26.0 FT :LATEST RIVER STAGE 18.0 FT AT 1715Z ON JUL 30 :obs Stage / 00Z / 06Z / 12Z / 18Z : 0730 / 11.6 / 12.3 / 16.2 / 18.0 : .AR :CREST: LMRI4 0731 Z DC202507301819/DH0000/HGIFFXZ 18.8 .ER LMRI4 20250731 Z DC202507301819/DH00/HGIFFZZ/DIH6 :Stage Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0730 : / 18.8 / 18.6 .E2 : 0731 : / 18.5 / 18.2 / 17.5 / 16.3 .E3 : 0801 : / 15.3 / 14.4 / 13.8 / 13.4 .E4 : 0802 : / 13.1 / 12.9 / 12.7 / 12.6 .E5 : 0803 : / 12.5 / 12.5 / 12.4 / 12.3 .E6 : 0804 : / 12.3 / 12.2 :Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs): : / 00Z / 06Z / 12Z / 18Z : 0730 / 0.00 / 1.70 / 0.06 / 0.00 : :Local observed 24-hr basin-averaged precip total : QPE Total Ending Jul 30 at 17Z is 1.76 inches : :Local forecast 6-hr basin-averaged precip(inches) (NEXT 24 hrs): : / 12Z / 18Z / 00Z / 06Z : 0730 / 0.42 / 0.46 : 0731 / 0.00 / 0.00 : :Local forecast 24-hr basin-averaged precip total : QPF Total Ending Jul 31 0.88 inches :________________________________________________________________ :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 11.1 FT AT 1745Z ON JUL 30 :obs Stage / 00Z / 06Z / 12Z / 18Z : 0730 / 11.4 / 11.4 / 11.3 / 11.1 .ER CSWS2 20250731 Z DC202507301819/DH00/HGIFFZZ/DIH6 :Stage Fcst / 12Z / 18Z / 00Z / 06Z .E1 : 0730 : / 10.9 / 10.7 .E2 : 0731 : / 10.5 / 10.4 / 10.2 / 10.1 .E3 : 0801 : / 9.9 / 9.8 / 9.7 / 9.5 .E4 : 0802 : / 9.5 / 9.4 / 9.3 / 9.3 .E5 : 0803 : / 9.2 / 9.2 / 9.1 / 9.1 .E6 : 0804 : / 9.0 / 9.0 :Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs): : / 00Z / 06Z / 12Z / 18Z : 0730 / 0.00 / 0.02 / 0.00 / 0.00 : :Local observed 24-hr basin-averaged precip total : QPE Total Ending Jul 30 at 17Z is 0.02 inches : :Local forecast 6-hr basin-averaged precip(inches) (NEXT 24 hrs): : / 12Z / 18Z / 00Z / 06Z : 0730 / 0.00 / 0.00 : 0731 / 0.00 / 0.00 : :Local forecast 24-hr basin-averaged precip total : QPF Total Ending Jul 31 0.00 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 ecd :...END of MESSAGE...