River Forecast
Issued by NWS
Issued by NWS
178
FGUS53 KKRF 221307
RVFSIO
RIVER FORECAST
NWS MISSOURI BASIN RIVER FORECAST CENTER PLEASANT HILL MO
1306Z FRI AUG 22 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
: **********************************************************
: *** THESE FORECASTS ARE SIGNIFICANTLY AFFECTED BY QPF ***
: **********************************************************
: ==> This forecast includes obsd precip & 24 hours of QPF
RIVER/STATION FS TDY F O R E C A S T
BIG SIOUX RIVER
WATERTOWN SD 9.0 8.1 CREST NEAR 8.1 FT 08/22
EARLY PM
WATERTOWN SD 10.5 9.9 CREST NEAR 10.1 FT 08/22
EARLY PM
CASTLEWOOD 1 NW SD 9.0 8.8 CREST NEAR 9.7 FT 08/23
EARLY AM
BROOKINGS 10 SE SD 9.0 7.2 CREST NEAR 8.5 FT 08/24
EARLY PM
:________________________________________________________________
:WATERTOWN, SD - BIG SIOUX RIVER HSA - ABR
:MINOR FLOOD STAGE 9.0 FT FCST ISSUANCE STAGE 8.0 FT
:MODERATE FLOOD STAGE 10.0 FT MAJOR FLOOD STAGE 12.0 FT
:LATEST RIVER STAGE 8.1 FT AT 1215Z ON AUG 22
:obs Stage / 18Z / 00Z / 06Z / 12Z
: 0821 / 7.9 / 7.9 / 8.1 / 8.1
:
.AR :CREST: WBSS2 0822 Z DC202508221306/DH1800/HGIFFXZ 8.1
.ER WBSS2 20250822 Z DC202508221306/DH18/HGIFFZZ/DIH6
:Stage Fcst / 12Z / 18Z / 00Z / 06Z
.E1 : 0822 : / 8.1 / 8.1 / 8.1
.E2 : 0823 : / 8.1 / 8.1 / 8.1 / 8.1
.E3 : 0824 : / 8.1 / 8.1 / 8.0 / 8.0
.E4 : 0825 : / 8.0 / 7.9 / 7.9 / 7.9
.E5 : 0826 : / 7.8 / 7.8 / 7.8 / 7.8
.E6 : 0827 : / 7.8
:Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs):
: / 18Z / 00Z / 06Z / 12Z
: 0821 / 0.00 / 0.00 / 1.12 / 0.06
:
:Local observed 24-hr basin-averaged precip total
: QPE Total Ending Aug 22 at 12Z is 1.18 inches
:
:Local forecast 6-hr basin-averaged precip(inches) (NEXT 24 hrs):
: / 12Z / 18Z / 00Z / 06Z
: 0822 / 0.38 / 0.00 / 0.00
: 0823 / 0.00
:
:Local forecast 24-hr basin-averaged precip total
: QPF Total Ending Aug 23 0.38 inches
:________________________________________________________________
:WATERTOWN, SD - BIG SIOUX RIVER HSA - ABR
:MINOR FLOOD STAGE 10.5 FT FCST ISSUANCE STAGE 10.0 FT
:MODERATE FLOOD STAGE 11.0 FT MAJOR FLOOD STAGE 13.5 FT
:LATEST RIVER STAGE 9.9 FT AT 1200Z ON AUG 22
:obs Stage / 18Z / 00Z / 06Z / 12Z
: 0821 / 9.4 / 9.4 / 9.9 / 9.9
:
.AR :CREST: WBWS2 0822 Z DC202508221306/DH1800/HGIFFXZ 10.1
.ER WBWS2 20250822 Z DC202508221306/DH18/HGIFFZZ/DIH6
:Stage Fcst / 12Z / 18Z / 00Z / 06Z
.E1 : 0822 : / 10.1 / 10.1 / 10.0
.E2 : 0823 : / 9.9 / 9.8 / 9.8 / 9.7
.E3 : 0824 : / 9.6 / 9.5 / 9.4 / 9.3
.E4 : 0825 : / 9.2 / 9.2 / 9.1 / 9.0
.E5 : 0826 : / 9.0 / 8.9 / 8.9 / 8.9
.E6 : 0827 : / 8.9
:Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs):
: / 18Z / 00Z / 06Z / 12Z
: 0821 / 0.00 / 0.00 / 1.27 / 0.08
:
:Local observed 24-hr basin-averaged precip total
: QPE Total Ending Aug 22 at 12Z is 1.35 inches
:
:Local forecast 6-hr basin-averaged precip(inches) (NEXT 24 hrs):
: / 12Z / 18Z / 00Z / 06Z
: 0822 / 0.38 / 0.00 / 0.00
: 0823 / 0.00
:
:Local forecast 24-hr basin-averaged precip total
: QPF Total Ending Aug 23 0.38 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 8.8 FT AT 1245Z ON AUG 22
:obs Stage / 18Z / 00Z / 06Z / 12Z
: 0821 / 8.0 / 7.9 / 7.9 / 8.7
:
.AR :CREST: CSWS2 0823 Z DC202508221306/DH0600/HGIFFXZ 9.7
:FALL BELOW FLOOD STAGE AROUND 06Z ON 08/24/2025
.ER CSWS2 20250822 Z DC202508221306/DH18/HGIFFZZ/DIH6
:Stage Fcst / 12Z / 18Z / 00Z / 06Z
.E1 : 0822 : / 9.4 / 9.6 / 9.7
.E2 : 0823 : / 9.6 / 9.4 / 9.2 / 9.0
.E3 : 0824 : / 8.8 / 8.7 / 8.6 / 8.5
.E4 : 0825 : / 8.4 / 8.3 / 8.3 / 8.2
.E5 : 0826 : / 8.2 / 8.1 / 8.1 / 8.0
.E6 : 0827 : / 8.0
:Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs):
: / 18Z / 00Z / 06Z / 12Z
: 0821 / 0.00 / 0.00 / 1.84 / 0.05
:
:Local observed 24-hr basin-averaged precip total
: QPE Total Ending Aug 22 at 12Z is 1.89 inches
:
:Local forecast 6-hr basin-averaged precip(inches) (NEXT 24 hrs):
: / 12Z / 18Z / 00Z / 06Z
: 0822 / 0.38 / 0.00 / 0.00
: 0823 / 0.00
:
:Local forecast 24-hr basin-averaged precip total
: QPF Total Ending Aug 23 0.38 inches
:________________________________________________________________
:BROOKINGS 10 SE, SD - BIG SIOUX RIVER HSA - FSD
:MINOR FLOOD STAGE 9.0 FT FCST ISSUANCE STAGE 8.0 FT
:MODERATE FLOOD STAGE 10.5 FT MAJOR FLOOD STAGE 15.0 FT
:LATEST RIVER STAGE 7.2 FT AT 1245Z ON AUG 22
:obs Stage / 18Z / 00Z / 06Z / 12Z
: 0821 / 7.0 / 7.0 / 7.1 / 7.2
:
.AR :CREST: BRKS2 0824 Z DC202508221306/DH1800/HGIFFXZ 8.5
.ER BRKS2 20250822 Z DC202508221306/DH18/HGIFFZZ/DIH6
:Stage Fcst / 12Z / 18Z / 00Z / 06Z
.E1 : 0822 : / 7.4 / 7.5 / 7.7
.E2 : 0823 : / 7.9 / 8.1 / 8.3 / 8.4
.E3 : 0824 : / 8.4 / 8.5 / 8.5 / 8.4
.E4 : 0825 : / 8.4 / 8.3 / 8.2 / 8.2
.E5 : 0826 : / 8.1 / 8.1 / 8.0 / 8.0
.E6 : 0827 : / 7.9
:Local observed 6-hr basin-averaged precip(inches) (PAST 24 hrs):
: / 18Z / 00Z / 06Z / 12Z
: 0821 / 0.00 / 0.00 / 0.13 / 0.20
:
:Local observed 24-hr basin-averaged precip total
: QPE Total Ending Aug 22 at 12Z is 0.33 inches
:
:Local forecast 6-hr basin-averaged precip(inches) (NEXT 24 hrs):
: / 12Z / 18Z / 00Z / 06Z
: 0822 / 0.41 / 0.02 / 0.00
: 0823 / 0.00
:
:Local forecast 24-hr basin-averaged precip total
: QPF Total Ending Aug 23 0.43 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...