058  
FGUS53 KKRF 311906  
RVFMDC  
 
RIVER FORECAST  
NWS MISSOURI BASIN RIVER FORECAST CENTER PLEASANT HILL MO  
1905Z SUN MAY 31 2026  
:  
: THIS PRODUCT HAS PRELIMINARY DATA AND SUBJECT TO REVISION.  
: REFER TO YOUR LOCAL WFO FOR THE LATEST OFFICIAL RIVER FORECAST.  
 
: FORECAST GROUP IS MCYGNE  
 
: *** AFTERNOON FORECAST ***  
 
: ==> THIS FORECAST INCLUDES OBSD PRECIP & 24 HOURS OF QPF  
 
RIVER/STATION FS TDY F O R E C A S T  
SALT CREEK  
LYNDON 3 ENE KS 10.0 8.5 CONTINUE TO FALL..LAST FCST  
MARAIS DES CYGNES RIVER  
OTTAWA KS 30.0 25.4 CREST NEAR 30.0 FT 06/01  
EARLY AM  
POTTAWATOMIE CREEK  
GARNETT 4 N KS 26.0 15.9 CREST NEAR 24.1 FT 06/01 AM  
MARAIS DES CYGNES RIVER  
OSAWATOMIE 1 NW KS 28.0 20.7 CREST NEAR 31.0 FT 06/01  
EARLY PM  
LA-CYGNE 1 W KS 25.0 12.4 CREST NEAR 29.9 FT 06/02  
EARLY AM  
TRADING POST KS 27.0 15.8 CREST NEAR 27.3 FT 06/02 PM  
 
:________________________________________________________________  
 
:LYNDON 3 ENE, KS - SALT CREEK HSA - TOP  
:MINOR FLOOD STAGE 10.0 FT FCST ISSUANCE STAGE 9.0 FT  
:MODERATE FLOOD STAGE 16.0 FT MAJOR FLOOD STAGE 24.0 FT  
:LATEST RIVER STAGE 8.5 FT AT 1847Z ON MAY 31  
 
:OBS STAGE / 00Z / 06Z / 12Z / 18Z  
: 0531 / 0.8 / 0.8 / 5.8 / 8.6  
 
.ER LNDK1 20260601 Z DC202605311905/DH00/HGIFFZZ/DIH6  
:STAGE FCST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0531 : / 5.5 / 3.5  
.E2 : 0601 : / 2.1 / 1.5 / 1.3 / 1.1  
.E3 : 0602 : / 1.1 / 1.0 / 0.9 / 0.9  
.E4 : 0603 : / 0.8 / 0.7 / 0.7 / 0.7  
.E5 : 0604 : / 0.6 / 0.6 / 0.6 / 0.6  
.E6 : 0605 : / 0.6 / 0.6  
 
:LOCAL OBSERVED 6-HR BASIN-AVERAGED PRECIP(INCHES) (PAST 24 HRS):  
: / 00Z / 06Z / 12Z / 18Z  
: 0531 / 0.03 / 0.36 / 1.29 / 0.08  
:  
:LOCAL OBSERVED 24-HR BASIN-AVERAGED PRECIP TOTAL  
: QPE TOTAL ENDING MAY 31 AT 18Z IS 1.76 INCHES  
:  
:LOCAL FORECAST 6-HR BASIN-AVERAGED PRECIP(INCHES) (NEXT 24 HRS):  
: / 12Z / 18Z / 00Z / 06Z  
: 0531 / 0.00 / 0.10  
: 0601 / 0.00 / 0.00  
:  
:LOCAL FORECAST 24-HR BASIN-AVERAGED PRECIP TOTAL  
: QPF TOTAL ENDING JUN 01 0.10 INCHES  
 
:________________________________________________________________  
 
:OTTAWA, KS - MARAIS DES CYGNES RIVER HSA - TOP  
:MINOR FLOOD STAGE 30.0 FT FCST ISSUANCE STAGE 28.0 FT  
:MODERATE FLOOD STAGE 33.0 FT MAJOR FLOOD STAGE 45.0 FT  
:LATEST RIVER STAGE 25.4 FT AT 1830Z ON MAY 31  
 
:OBS STAGE / 00Z / 06Z / 12Z / 18Z  
: 0531 / 8.7 / 8.1 / 14.9 / 25.0  
 
:  
.AR :CREST: OTWK1 0601 Z DC202605311905/DH0600/HGIFFXZ 30.0  
 
.ER OTWK1 20260601 Z DC202605311905/DH00/HGIFFZZ/DIH6  
:STAGE FCST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0531 : / 29.0 / 30.0  
.E2 : 0601 : / 30.0 / 28.0 / 23.4 / 19.9  
.E3 : 0602 : / 17.0 / 15.2 / 14.1 / 13.3  
.E4 : 0603 : / 12.6 / 12.1 / 11.8 / 11.5  
.E5 : 0604 : / 11.3 / 11.1 / 10.6 / 10.1  
.E6 : 0605 : / 9.8 / 9.7  
 
:LOCAL OBSERVED 6-HR BASIN-AVERAGED PRECIP(INCHES) (PAST 24 HRS):  
: / 00Z / 06Z / 12Z / 18Z  
: 0531 / 0.05 / 0.31 / 1.60 / 0.15  
:  
:LOCAL OBSERVED 24-HR BASIN-AVERAGED PRECIP TOTAL  
: QPE TOTAL ENDING MAY 31 AT 18Z IS 2.11 INCHES  
:  
:LOCAL FORECAST 6-HR BASIN-AVERAGED PRECIP(INCHES) (NEXT 24 HRS):  
: / 12Z / 18Z / 00Z / 06Z  
: 0531 / 0.00 / 0.13  
: 0601 / 0.03 / 0.00  
:  
:LOCAL FORECAST 24-HR BASIN-AVERAGED PRECIP TOTAL  
: QPF TOTAL ENDING JUN 01 0.16 INCHES  
 
:________________________________________________________________  
 
:GARNETT 4 N, KS - POTTAWATOMIE CREEK HSA - TOP  
:MINOR FLOOD STAGE 26.0 FT FCST ISSUANCE STAGE 24.0 FT  
:MODERATE FLOOD STAGE 32.0 FT MAJOR FLOOD STAGE 34.0 FT  
:LATEST RIVER STAGE 15.9 FT AT 1845Z ON MAY 31  
 
:OBS STAGE / 00Z / 06Z / 12Z / 18Z  
: 0531 / 3.8 / 5.4 / 9.7 / 15.2  
 
:  
.AR :CREST: GRTK1 0601 Z DC202605311905/DH1200/HGIFFXZ 24.1  
 
.ER GRTK1 20260601 Z DC202605311905/DH00/HGIFFZZ/DIH6  
:STAGE FCST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0531 : / 21.0 / 23.4  
.E2 : 0601 : / 24.1 / 24.0 / 22.8 / 21.0  
.E3 : 0602 : / 19.0 / 16.1 / 13.5 / 11.3  
.E4 : 0603 : / 9.5 / 8.2 / 7.1 / 6.4  
.E5 : 0604 : / 5.9 / 5.5 / 5.2 / 5.0  
.E6 : 0605 : / 4.8 / 4.7  
 
:LOCAL OBSERVED 6-HR BASIN-AVERAGED PRECIP(INCHES) (PAST 24 HRS):  
: / 00Z / 06Z / 12Z / 18Z  
: 0531 / 0.09 / 0.88 / 0.06 / 0.44  
:  
:LOCAL OBSERVED 24-HR BASIN-AVERAGED PRECIP TOTAL  
: QPE TOTAL ENDING MAY 31 AT 18Z IS 1.47 INCHES  
:  
:LOCAL FORECAST 6-HR BASIN-AVERAGED PRECIP(INCHES) (NEXT 24 HRS):  
: / 12Z / 18Z / 00Z / 06Z  
: 0531 / 0.00 / 0.15  
: 0601 / 0.02 / 0.01  
:  
:LOCAL FORECAST 24-HR BASIN-AVERAGED PRECIP TOTAL  
: QPF TOTAL ENDING JUN 01 0.18 INCHES  
 
:________________________________________________________________  
 
:OSAWATOMIE 1 NW, KS - MARAIS DES CYGNES RIVER HSA - EAX  
:MINOR FLOOD STAGE 28.0 FT FCST ISSUANCE STAGE 26.0 FT  
:MODERATE FLOOD STAGE 45.0 FT MAJOR FLOOD STAGE 48.0 FT  
:LATEST RIVER STAGE 20.7 FT AT 1800Z ON MAY 31  
 
:OBS STAGE / 00Z / 06Z / 12Z / 18Z  
: 0531 / 17.5 / 16.9 / 16.6 / 20.7  
 
:  
:RISE ABOVE FLOOD STAGE AROUND 03Z ON 06/01/2026  
.AR :CREST: OSMK1 0601 Z DC202605311905/DH1800/HGIFFXZ 31.0  
 
:FALL BELOW FLOOD STAGE AROUND 15Z ON 06/02/2026  
.ER OSMK1 20260601 Z DC202605311905/DH00/HGIFFZZ/DIH6  
:STAGE FCST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0531 : / 25.9 / 29.1  
.E2 : 0601 : / 30.4 / 31.0 / 30.7 / 30.1  
.E3 : 0602 : / 29.1 / 27.0 / 24.7 / 22.9  
.E4 : 0603 : / 21.7 / 20.8 / 20.2 / 19.7  
.E5 : 0604 : / 19.4 / 19.1 / 18.9 / 18.6  
.E6 : 0605 : / 18.2 / 17.9  
 
:LOCAL OBSERVED 6-HR BASIN-AVERAGED PRECIP(INCHES) (PAST 24 HRS):  
: / 00Z / 06Z / 12Z / 18Z  
: 0531 / 0.04 / 0.07 / 0.58 / 0.55  
:  
:LOCAL OBSERVED 24-HR BASIN-AVERAGED PRECIP TOTAL  
: QPE TOTAL ENDING MAY 31 AT 18Z IS 1.24 INCHES  
:  
:LOCAL FORECAST 6-HR BASIN-AVERAGED PRECIP(INCHES) (NEXT 24 HRS):  
: / 12Z / 18Z / 00Z / 06Z  
: 0531 / 0.00 / 0.10  
: 0601 / 0.02 / 0.00  
:  
:LOCAL FORECAST 24-HR BASIN-AVERAGED PRECIP TOTAL  
: QPF TOTAL ENDING JUN 01 0.12 INCHES  
 
:________________________________________________________________  
 
:LA-CYGNE 1 W, KS - MARAIS DES CYGNES RIVER HSA - EAX  
:MINOR FLOOD STAGE 25.0 FT FCST ISSUANCE STAGE 23.0 FT  
:MODERATE FLOOD STAGE 30.0 FT MAJOR FLOOD STAGE 36.0 FT  
:LATEST RIVER STAGE 12.4 FT AT 1815Z ON MAY 31  
 
:OBS STAGE / 00Z / 06Z / 12Z / 18Z  
: 0531 / 14.9 / 13.6 / 12.3 / 12.3  
 
:  
:RISE ABOVE FLOOD STAGE AROUND 15Z ON 06/01/2026  
.AR :CREST: LCGK1 0602 Z DC202605311905/DH0600/HGIFFXZ 29.9  
 
:FALL BELOW FLOOD STAGE AROUND 21Z ON 06/03/2026  
.ER LCGK1 20260601 Z DC202605311905/DH00/HGIFFZZ/DIH6  
:STAGE FCST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0531 : / 14.2 / 17.4  
.E2 : 0601 : / 22.6 / 27.5 / 29.3 / 29.9  
.E3 : 0602 : / 29.8 / 29.5 / 28.9 / 28.3  
.E4 : 0603 : / 27.0 / 25.1 / 22.7 / 20.1  
.E5 : 0604 : / 17.9 / 16.0 / 14.5 / 13.3  
.E6 : 0605 : / 12.3 / 11.6  
 
:LOCAL OBSERVED 6-HR BASIN-AVERAGED PRECIP(INCHES) (PAST 24 HRS):  
: / 00Z / 06Z / 12Z / 18Z  
: 0531 / 0.04 / 0.10 / 0.41 / 0.32  
:  
:LOCAL OBSERVED 24-HR BASIN-AVERAGED PRECIP TOTAL  
: QPE TOTAL ENDING MAY 31 AT 18Z IS 0.87 INCHES  
:  
:LOCAL FORECAST 6-HR BASIN-AVERAGED PRECIP(INCHES) (NEXT 24 HRS):  
: / 12Z / 18Z / 00Z / 06Z  
: 0531 / 0.00 / 0.08  
: 0601 / 0.04 / 0.01  
:  
:LOCAL FORECAST 24-HR BASIN-AVERAGED PRECIP TOTAL  
: QPF TOTAL ENDING JUN 01 0.13 INCHES  
 
:________________________________________________________________  
 
:TRADING POST, KS - MARAIS DES CYGNES RIVER HSA - EAX  
:MINOR FLOOD STAGE 27.0 FT FCST ISSUANCE STAGE 25.0 FT  
:MODERATE FLOOD STAGE 29.0 FT MAJOR FLOOD STAGE 40.0 FT  
:LATEST RIVER STAGE 15.8 FT AT 1845Z ON MAY 31  
 
:OBS STAGE / 00Z / 06Z / 12Z / 18Z  
: 0531 / 18.4 / 17.8 / 16.9 / 15.8  
 
:  
:RISE ABOVE FLOOD STAGE AROUND 21Z ON 06/02/2026  
.AR :CREST: TPOK1 0603 Z DC202605311905/DH0000/HGIFFXZ 27.3  
 
:FALL BELOW FLOOD STAGE AROUND 09Z ON 06/03/2026  
.ER TPOK1 20260601 Z DC202605311905/DH00/HGIFFZZ/DIH6  
:STAGE FCST / 12Z / 18Z / 00Z / 06Z  
.E1 : 0531 : / 15.8 / 16.7  
.E2 : 0601 : / 18.5 / 20.6 / 22.7 / 24.5  
.E3 : 0602 : / 25.9 / 26.9 / 27.3 / 27.2  
.E4 : 0603 : / 26.8 / 26.1 / 25.1 / 23.9  
.E5 : 0604 : / 22.2 / 20.1 / 17.7 / 15.8  
.E6 : 0605 : / 14.4 / 13.4  
 
:LOCAL OBSERVED 6-HR BASIN-AVERAGED PRECIP(INCHES) (PAST 24 HRS):  
: / 00Z / 06Z / 12Z / 18Z  
: 0531 / 0.02 / 0.04 / 0.40 / 0.16  
:  
:LOCAL OBSERVED 24-HR BASIN-AVERAGED PRECIP TOTAL  
: QPE TOTAL ENDING MAY 31 AT 18Z IS 0.62 INCHES  
:  
:LOCAL FORECAST 6-HR BASIN-AVERAGED PRECIP(INCHES) (NEXT 24 HRS):  
: / 12Z / 18Z / 00Z / 06Z  
: 0531 / 0.00 / 0.07  
: 0601 / 0.04 / 0.01  
:  
:LOCAL FORECAST 24-HR BASIN-AVERAGED PRECIP TOTAL  
: QPF TOTAL ENDING JUN 01 0.12 INCHES  
 
:****************************************************************  
:COMMENT  
:  
:  
:HSA - HYDROLOGIC SERVICE AREA  
:WFO - WEATHER FORECAST OFFICE  
:TOP - NWS WFO TOPEKA, KANSAS  
:EAX - NWS WFO PLEASANT HILL, MISSOURI  
: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 CWH  
:...END OF MESSAGE...  
 
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