Hydrometeorological Discussion
Issued by NWS North Central River Forecast Center
Issued by NWS North Central River Forecast Center
502
AGUS73 KMSR 201651
HMDMSR
Hydrometeorological Forecast Discussion
NWS North Central River Forecast Center Twin Cities/Chanhassen MN
1151 AM CDT Sun Sep 20 2026
River forecasts routinely incorporate 24 hours of QPF from
April 1 to September 30 and 48 hours from October 1 to March 31.
See http://www.weather.gov/ncrfc/LMI_QPF_NcrfcCurrentQpf
...Forecast Activity...
RVF forecasts issued today. Issue times are in UTC.
Subtract 6 hrs for CST, 5 hrs for CDT/EST, 4 hrs for EDT.
RVF Forecast Group description Issue Time
CAL Little Calumet R Basin 2026-09-20 13:29 UTC
CIW Cedar/Iowa R Basin 2026-09-20 14:34 UTC
DES Des Moines R Basin 2026-09-20 14:57 UTC
EWS Ern Wisconsin Basins to Lk MI 2026-09-20 14:14 UTC
GND Grand, Muskegon/White Basins, MI 2026-09-20 14:13 UTC
GND Grand, Muskegon/White Basins, MI 2026-09-20 14:17 UTC
ILO Mainstem Illinois R 2026-09-20 13:44 UTC
KDF Illinois R tribs abv LaSalle, IL 2026-09-20 13:33 UTC
KDF Illinois R tribs abv LaSalle, IL 2026-09-20 13:55 UTC
KDF Illinois R tribs abv LaSalle, IL 2026-09-20 14:48 UTC
KSJ Kalamazoo/St Joseph Bsns-MI & IN 2026-09-20 14:14 UTC
M10 Miss. R - Lake City, MN-L&D 10 2026-09-20 13:47 UTC
M19 Miss. R - L&D 11-Gregory Landing 2026-09-20 15:39 UTC
MIS Miss. R - L&D 20 to Chester, IL 2026-09-20 16:49 UTC
NLM Northern Lower Michigan rivers 2026-09-20 14:13 UTC
RCK Rock R Basin 2026-09-20 13:48 UTC
RCK Rock R Basin 2026-09-20 14:50 UTC
RDW Mississippi R abv Red Wing, MN 2026-09-20 13:13 UTC
TIA Misc Iowa Tribs to Miss. R 2026-09-20 14:00 UTC
UPM Upper Michigan Peninsula rivers 2026-09-20 14:20 UTC
WIS Wisconsin R Basin 2026-09-20 13:16 UTC
=====================================================================
Sites with forecasts above major flood level (FS=Flood Stage):
MAX
RVF NWSLI Station name/river FS FCST
CIW KALI4 Kalona - 1SSW - English R 14.0 18.1
TIA DEWI4 De Witt - 4S - Wapsipinicon R 11.0 13.0
Sites with forecasts above moderate flood level (FS=Flood Stage):
MAX
RVF NWSLI Station name/river FS FCST
KDF DAYI2 Dayton - Fox R 12.0 14.9
M10 GRBI4 Garber - Turkey R 17.0 21.4
RCK MLII2 Moline - Rock R 12.0 13.6
Sites with forecasts above flood stage (FS):
MAX
RVF NWSLI Station name/river FS FCST
CAL LCMI3 Munster - Little Calumet R 12.0 12.2
CIW ASTM5 Austin - WWTP - Cedar R 15.0 15.6
CIW CNEI4 Conesville - 4NE - Cedar R 13.0 14.9
CIW MROI4 Marengo - Iowa R 15.0 15.4
CIW LNTI4 Lone Tree - 5SW - Iowa R 16.0 17.5
CIW CJTI4 Columbus Junction - Iowa R 23.0 23.6
CIW WAPI4 Wapello - Iowa R 21.0 24.1
CIW OKVI4 Oakville - Iowa R 11.0 13.5
EWS RAYW3 Raymond - Root R Canal 9.0 9.6
ILO SRDI2 Utica - Starved Rock L&D 6 -Illinois R 450.0 453.2
ILO LSLI2 La Salle - 1S - Illinois R 20.0 22.5
KDF RUSI2 Russell - Des Plaines R 7.0 8.2
KDF GUNI2 Gurnee - 3SW - Des Plaines R 7.0 7.6
KDF LEMI2 Lemont - 1NW - Des Plaines R 10.0 10.4
KDF SORI2 Shorewood - Du Page R 15.0 16.2
KDF NMSW3 New Munster - 2N - Fox R 11.0 11.9
KDF DAVI3 Davis - Hwy 30 Br - Kankakee R 10.0 11.0
M10 HOUM5 Houston - 1N - Root R 15.0 16.1
M10 SPLI4 Spillville - Turkey R 9.0 9.0
M10 EKDI4 Elkader - 1SE - Turkey R 12.0 12.4
M19 KHBI2 Keithsburg - Mississippi R 14.0 14.4
M19 GLDI2 Gladstone - 4WNW - L&D 18 / Mississippi R 10.0 10.5
M19 BRLI4 Burlington - Mississippi R 15.0 15.2
MIS CANM7 Canton - L&D 20 - Mississippi R 15.0 15.5
MIS HNNM7 Hannibal - WTP - Mississippi R 17.0 17.0
MIS SVRM7 Saverton - L&D 22 - Mississippi R 16.0 16.7
MIS CLKM7 Clarksville - L&D 24 - Mississippi R 25.0 26.6
MIS CAGM7 Cap Au Gris - L&D 25 - Mississippi R 26.0 27.0
RCK JOSI2 Joslin - Rock R 12.0 13.3
RCK GENI2 Geneseo - 2N - Green R 15.0 15.3
TIA MAQI4 Maquoketa - 2NE - Maquoketa R 24.0 25.7
TIA ANSI4 Anamosa - 2SE - Wapsipinicon R 14.5 14.8
TIA SIGI4 Sigourney - 2S - N Skunk R 16.0 17.2
WIS SOGW3 Soldiers Grove - Kickapoo R 13.0 13.0
WIS GMIW3 Gays Mills - WWTP - Kickapoo R 13.0 13.3
Sites with forecasts below flood stage but above a
user-defined threshold (FS=Flood Stage):
MAX
RVF NWSLI Station name/river FS FCST
CAL THNI2 Thornton - Thorn Cr 9.0 8.9
CAL SHLI2 South Holland - Little Calumet R 16.0 13.9
CIW LANM5 Lansing - Cedar R 18.0 17.5
CIW TRCM5 Austin - 3NW - Turtle Cr 10.5 8.5
CIW CCYI4 Charles City - No. 2 - Cedar R 12.0 11.0
CIW CEDI4 Cedar Falls - Cedar R 89.0 86.1
CIW ALOI4 Waterloo - Cedar R 13.0 9.2
CIW CEBI4 Cedar Bluff - Cedar River 16.0 15.7
DES OTMI4 Ottumwa - Des Moines R 13.0 9.6
EWS FRKW3 Franklin - 2SE - Root R 8.0 7.8
ILO MCCI2 - -30.0 -40.9
ILO OTWI2 Ottawa - Illinois R 463.0 462.1
ILO HAVI2 Havana - Illinois R 14.0 13.3
KDF LDRI2 Lincolnshire - Des Plaines R 12.5 11.8
KDF DSPI2 Des Plaines - 2N - Des Plaines R 15.0 14.1
KDF BOLI2 Bollingbrook - E Br Du Page R 20.0 19.2
KDF NDRI2 Plainfield - Du Page R 12.0 11.3
KDF WKEW3 Waukesha - Fox R 6.0 5.0
KDF AFBI2 Algonquin - Fox R TW 9.5 9.3
KDF DBRI3 Dunns Bridge - Kankakee R (Wheatfield 5NE) 10.0 9.7
KDF SLBI3 Shelby - Kankakee R 10.5 10.3
KSJ VCKM4 Vicksburg - 2E - Portage R 5.0 4.8
KSJ CPEI3 Cosperville - N Br Elkhart R 6.0 5.0
KSJ NILM4 Niles - WWTP - St Joseph R 11.0 7.2
M10 BLFI4 Bluffton - Upr Iowa R 12.0 10.1
M10 DCHI4 Dorchester - 4S - Hwy 76 / Upper Iowa R 14.0 12.7
M19 RCKI2 Rock Island - L&D 15 - Mississippi R 15.0 13.4
M19 NBOI2 New Boston - 4NW - L&D 17 / Mississippi R 15.0 14.5
M19 GGYM7 Gregory Landing - Mississippi R 15.0 14.9
MIS LGRM7 La Grange - Mississippi R 17.0 16.8
MIS UINI2 Quincy - Memorial Br. - Mississippi R 19.0 17.1
MIS QLDI2 Quincy - 3SSW-L&D 21 - Mississippi R 18.0 17.1
MIS LUSM7 Louisiana - WTP-(Pool 24 CP)-Mississippi R 15.0 14.9
RCK BCHW3 Blanchardville - 2S- E Br Pecatonica R 11.0 10.3
RCK MTNW3 Martintown - 2E & Pecatonica R 13.5 12.2
RCK FEEI2 Freeport - WWTP - Pecatonica R 13.0 12.0
RCK BYRI2 Byron - Rock R 13.0 9.6
TIA OOAI4 Oskaloosa - 4N - S Skunk R 24.5 18.6
WIS REAW3 Readstown - Kickapoo R 11.0 10.8
WIS STEW3 Steuben - 3NE - Kickapoo R 12.0 11.6
=====================================================================
...Past Precipitation...
Observation times are in UTC.
Subtract 6 hrs for CST, 5 hrs for CDT/EST, 4 hrs for EDT.
=====================================================================
Top daily precipitation reports greater than zero from Iowa:
LID OBTIME/SHEF VALUE NAME / DETAIL STATE
IAWS02 DH1200/PPDRZ 4.18 : Ainsworth 7N IA
IALN53 DH1200/PPDRZ 4.04 : Robins 1SE IA
IALN27 DH1233/PPDRZ 3.86 : Marion 2NNW IA
IALN54 DH1100/PPDRZ 3.83 : Cedar Rapids 4NW IA
IALN59 DH1200/PPDRZ 3.74 : Marion IA
Top daily precipitation reports greater than zero from Illinois:
LID OBTIME/SHEF VALUE NAME / DETAIL STATE
ILLE05 DH1300/PPDRZ 3.40 : Sterling 4NE IL
ILLE25 DH1200/PPDRZ 3.25 : Dixon 1NE IL
ILBU11 DH1200/PPDRZ 3.23 : Walnut 5ENE IL
ILRI13 DH1200/PPDRZ 3.21 : Moline 1NNE IL
ILHY04 DH1300/PPDRZ 3.05 : Atkinson 3NNE IL
Top daily precipitation reports greater than zero from Indiana:
LID OBTIME/SHEF VALUE NAME / DETAIL STATE
INLP07 DH1200/PPDRZ 2.56 : La Porte 2SW IN
INPT80 DH1200/PPDRZ 2.49 : Portage 3E IN
INLP73 DH1200/PPDRZ 2.29 : Mill Creek 2NNE IN
INLP72 DH1200/PPDRZ 2.20 : La Porte 7SW IN
INPT69 DH1235/PPDRZ 2.13 : Porter 1S IN
Top daily precipitation reports greater than zero from Michigan:
LID OBTIME/SHEF VALUE NAME / DETAIL STATE
MIKZ01 DH1200/PPDRZ 2.85 : Kalamazoo 6SW MI
MIVB15 DH1230/PPDRZ 2.10 : Gobles 1ESE MI
MIVB04 DH1100/PPDRZ 2.08 : Paw Paw 4NNE MI
MIVB13 DH1100/PPDRZ 1.98 : Paw Paw 2NE MI
MIVB06 DH1100/PPDRZ 1.92 : Grand Junction 1NW MI
Top daily precipitation reports greater than zero from Minnesota:
LID OBTIME/SHEF VALUE NAME / DETAIL STATE
MNGH16 DH1200/PPDRZ 0.58 : Red Wing 3SE MN
MABM5 DH1221/PPDRZ 0.53 : Mabel MN
MNWB11 DH1200/PPDRZ 0.50 : Wabasha 6WNW MN
BSPM5 DH1200/PPDRG 0.48 : Dakota 3NW - Great River Bluffs Sta MN
MNHS06 DH1345/PPDRZ 0.47 : Hokah 4WSW MN
Top daily precipitation reports greater than zero from Missouri:
LID OBTIME/SHEF VALUE NAME / DETAIL STATE
NWKM7 DH1200/PPDRG 0.16 : Newark 3WNW MO
SLBM7 DH1200/PPDRZ 0.13 : Shelbina WWTP MO
EWMM7 DH1200/PPDRG 0.08 : Ewing 1NNE MO
SHZM7 DH1200/PPDRG 0.08 : Shelbina 3N MO
HGZM7 DH1200/PPDRG 0.08 : Hagers Grove MO
Top daily precipitation reports greater than zero from North Dakota:
LID OBTIME/SHEF VALUE NAME / DETAIL STATE
MOT DH1154/PPDRZ 0.05 : Minot Intl Arpt ND
NDWR04 DH1342/PPDRZ 0.04 : Minot 2SSW ND
LFDN8 DH1000/PPDRZ 0.04 : Lansford ND
NDWR20 DH1200/PPDRZ 0.04 : Minot 2SSW ND
NDWR24 DH1200/PPDRZ 0.03 : Berthold 4SSE ND
Top daily precipitation reports greater than zero from South Dakota:
LID OBTIME/SHEF VALUE NAME / DETAIL STATE
SDRB01 DH1200/PPDRZ 0.02 : Sisseton 4W SD
SDRB04 DH1200/PPDRZ 0.01 : Sisseton 10ENE SD
MLBS2 DH1230/PPDRZ 0.001 : Milbank WWTP SD
Top daily precipitation reports greater than zero from Wisconsin:
LID OBTIME/SHEF VALUE NAME / DETAIL STATE
WIWW37 DH1240/PPDRZ 2.65 : Burlington 3NNW WI
WIMW13 DH1230/PPDRZ 2.59 : Oak Creek 2SE WI
WIRC14 DH1200/PPDRZ 2.51 : Wind Lake 1NE WI
WIWK43 DH1300/PPDRZ 2.51 : Waukesha 7SSW WI
ARGW3 DH1200/PPDRZ 2.50 : Argyle WI
=====================================================================
See http://www.weather.gov/ncrfc/LMI_QCPCPN for all reports.
For additional and more in-depth information concerning river
forecasts, precipitation and all hydrometeorological information
in the NCRFC area of responsibility, please refer to the NCRFC
web page at: http://www.weather.gov/ncrfc
$$