Hydrometeorological Discussion
Issued by NWS North Central River Forecast Center
Issued by NWS North Central River Forecast Center
345
AGUS73 KMSR 181659
HMDMSR
Hydrometeorological Forecast Discussion
NWS North Central River Forecast Center Twin Cities/Chanhassen MN
1157 AM CDT Mon Aug 18 2025
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
CIW Cedar/Iowa R Basin 2025-08-18 14:18 UTC
DES Des Moines R Basin 2025-08-18 13:43 UTC
DES Des Moines R Basin 2025-08-18 14:35 UTC
GND Grand, Muskegon/White Basins, MI 2025-08-18 14:22 UTC
ILO Mainstem Illinois R 2025-08-18 15:37 UTC
KDF Illinois R tribs abv LaSalle, IL 2025-08-18 15:25 UTC
M10 Miss. R - Lake City, MN-L&D 10 2025-08-18 15:21 UTC
M10 Miss. R - Lake City, MN-L&D 10 2025-08-18 16:17 UTC
M19 Miss. R - L&D 11-Gregory Landing 2025-08-18 16:25 UTC
MIN Minnesota R abv Shakopee, MN 2025-08-18 13:26 UTC
MIN Minnesota R abv Shakopee, MN 2025-08-18 14:08 UTC
MIS Miss. R - L&D 20 to Chester, IL 2025-08-18 16:24 UTC
NLM Northern Lower Michigan rivers 2025-08-18 13:55 UTC
RCK Rock R Basin 2025-08-18 13:44 UTC
RDW Mississippi R abv Red Wing, MN 2025-08-18 14:45 UTC
TIA Misc Iowa Tribs to Miss. R 2025-08-18 13:37 UTC
UPM Upper Michigan Peninsula rivers 2025-08-18 13:55 UTC
WIS Wisconsin R Basin 2025-08-18 13:20 UTC
=====================================================================
Sites with forecasts above major flood level (FS=Flood Stage):
MAX
RVF NWSLI Station name/river FS FCST
M10 SPLI4 Spillville - Turkey R 9.0 15.5
Sites with forecasts above moderate flood level (FS=Flood Stage):
MAX
RVF NWSLI Station name/river FS FCST
CIW TRCM5 Austin - 3NW - Turtle Cr 10.5 12.6
MIN MVOM5 Montevideo - Minnesota R 14.0 16.5
MIN MTNM5 Morton - 1SW - Minnesota R 21.0 24.6
MIN SPFM5 Springfield - 4SW @ Cottonwood R 22.0 28.0
Sites with forecasts above flood stage (FS):
MAX
RVF NWSLI Station name/river FS FCST
CIW ASTM5 Austin - WWTP - Cedar R 15.0 15.5
CIW CCYI4 Charles City - No. 2 - Cedar R 12.0 13.5
CIW MCWI4 Mason City - Winnebago R 10.0 11.9
CIW SHRI4 Shell Rock - Shell Rock R 12.0 12.6
CIW CEDI4 Cedar Falls - Cedar R 89.0 90.6
CIW CNEI4 Conesville - 4NE - Cedar R 13.0 13.6
M10 DCHI4 Dorchester - 4S - Hwy 76 / Upper Iowa R 14.0 15.7
M10 EKDI4 Elkader - 1SE - Turkey R 12.0 13.1
MIN GTEM5 Granite Falls - Minnesota R 885.0 885.9
MIN RWDM5 Redwood Falls - 3SW - Redwood R 6.0 6.0
MIN NULM5 New Ulm - 2S - Minnesota R 800.0 800.7
MIN NWUM5 New Ulm - 2S - Cottonwood R 11.0 12.9
MIN HENM5 Henderson - Minnesota R 732.0 733.7
MIN JDNM5 Jordan - Minnesota R 25.0 27.2
RDW NRFM5 Northfield - 2nd St - Cannon R 897.0 897.4
TIA DEWI4 De Witt - 4S - Wapsipinicon R 11.0 11.2
WIS ARCW3 Arcadia - Trempealeau R 8.0 8.3
WIS DDGW3 Dodge - Trempealeau R 10.5 10.9
Sites with forecasts below flood stage but above a
user-defined threshold (FS=Flood Stage):
MAX
RVF NWSLI Station name/river FS FCST
CIW LANM5 Lansing - Cedar R 18.0 17.8
CIW JANI4 Janesville - Cedar R 13.0 10.6
CIW ALOI4 Waterloo - Cedar R 13.0 12.3
CIW PLOI4 Palo - Cedar R 12.5 11.7
CIW CIDI4 Cedar Rapids - No. 2 - Cedar R 12.0 11.7
CIW CEBI4 Cedar Bluff - Cedar River 16.0 14.2
CIW WAPI4 Wapello - Iowa R 21.0 19.1
CIW OKVI4 Oakville - Iowa R 11.0 9.1
DES AGNI4 Algona - 1NNW - E Fk Des Moines R 17.0 16.0
DES ESVI4 Estherville - Des Moines R 10.0 6.5
KDF SORI2 Shorewood - Du Page R 15.0 14.6
KDF WKEW3 Waukesha - Fox R 6.0 5.5
KDF NMSW3 New Munster - 2N - Fox R 11.0 10.9
M10 HOUM5 Houston - 1N - Root R 15.0 12.3
M10 DEHI4 Decorah - Upper Iowa R 12.0 10.5
M10 GRBI4 Garber - Turkey R 17.0 15.8
M10 GENW3 Genoa - L&D 8 - Mississippi R 631.0 626.5
MIN MNKM5 Mankato - Minnesota R 22.0 20.8
MIS LUSM7 Louisiana - WTP-(Pool 24 CP)-Mississippi R 15.0 14.8
MIS CLKM7 Clarksville - L&D 24 - Mississippi R 25.0 23.8
MIS CAGM7 Cap Au Gris - L&D 25 - Mississippi R 26.0 24.0
RCK WATW3 Watertown - WWTP - Rock R 5.5 4.5
RCK JFFW3 Jefferson - Rock R 10.0 8.6
RCK FATW3 Fort Atkinson - WWTP & Rock R 16.0 14.5
RCK AFTW3 Afton - 5SW - WWTP & Rock R 9.0 8.2
RDW DELM5 Delano - So Fk Crow R 16.5 12.0
RDW SAVM5 Savage - Minnesota R 702.0 701.8
WIS REAW3 Readstown - Kickapoo R 11.0 8.6
=====================================================================
...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
ELMI4 DH1200/PPDRZ 6.48 : Elma IA
LMLI4 DH1200/PPDRZ 5.50 : Lake Mills IA
IAWH01 DH1314/PPDRZ 4.35 : Decorah 8ENE IA
IONI4 DH1200/PPDRZ 4.27 : Ionia 2W IA
FSCI4 DH1200/PPDRZ 3.86 : Forest City 2NNE IA
Top daily precipitation reports greater than zero from Illinois:
LID OBTIME/SHEF VALUE NAME / DETAIL STATE
ILWD22 DH1145/PPDRZ 1.89 : Rock Falls 3S IL
ILAD12 DH1200/PPDRZ 1.59 : Quincy 4SE IL
VYS DH1200/PPDRZ 1.58 : Peru 1E - Ill Valley Rgnl Arpt IL
ILCN03 DH1200/PPDRZ 1.54 : Pana 6NNE IL
LSLI2 DH1200/PPDRG 1.40 : La Salle 1S IL
Top daily precipitation reports greater than zero from Indiana:
LID OBTIME/SHEF VALUE NAME / DETAIL STATE
MORI3 DH1100/PPDRZ 0.10 : Morocco 1 NW IN
INJS37 DH1100/PPDRZ 0.04 : De Motte 1NNW IN
MCX DH1155/PPDRZ 0.03 : Monticello 3S - White Cnty Arpt IN
RZLI3 DH1200/PPDRG 0.03 : Rensselaer IN
FSMI3 DH1200/PPDRG 0.02 : Iroquois River Near Foresman IN
Top daily precipitation reports greater than zero from Michigan:
LID OBTIME/SHEF VALUE NAME / DETAIL STATE
MENM4 DH1300/PPDRZ 0.08 : Menominee No. 2 MI
WMTM4 DH1200/PPDRG 0.03 : Watersmeet /RAWS/ MI
AMAM4 DH1300/PPDRZ 0.02 : Amasa 1W MI
MIMM08 DH1300/PPDRZ 0.01 : Menominee 4NW MI
MNM DH1157/PPDRZ 0.01 : Menominee - Marinette Twin Cnty Arp MI
Top daily precipitation reports greater than zero from Minnesota:
LID OBTIME/SHEF VALUE NAME / DETAIL STATE
BEHM5 DH1200/PPDRG 3.74 : Blue Earth 1S - CR6 MN
FSPM5 DH1200/PPDRG 3.67 : Frontenac MN
MNLS23 DH1300/PPDRZ 3.55 : Le Sueur 6S MN
WASM5 DH1300/PPDRZ 3.48 : Waseca - Southern Research and Outr MN
MNFT05 DH1200/PPDRZ 3.47 : Blue Earth 1ESE MN
Top daily precipitation reports greater than zero from Missouri:
LID OBTIME/SHEF VALUE NAME / DETAIL STATE
STL DH1151/PPDRZ 1.12 : St Louis - Lambert Intl Arpt (ASOS) MO
HNNM7 DH1200/PPDRG 1.06 : Hannibal WTP MO
HNNM7 DH1200/PPDRZ 1.00 : Hannibal WTP MO
MOFSA163 DH1200/PPDRZ 0.54 : Bowling Green 1SE MO
MOMA05 DH1300/PPDRZ 0.53 : Palmyra 4NNW MO
Top daily precipitation reports greater than zero from North Dakota:
LID OBTIME/SHEF VALUE NAME / DETAIL STATE
0712N8 DH1200/PPDRZ 1.04 : Brampton 7WSW ND
PBGN8 DH1300/PPDRZ 0.81 : Petersburg 2N ND
LNGN8 DH1309/PPDRZ 0.78 : Langdon Exp Farm ND
4283N8 DH1200/PPDRZ 0.78 : Forman 4NW ND
LNKN8 DH1100/PPDRZ 0.75 : Lankin 6E ND
Top daily precipitation reports greater than zero from South Dakota:
LID OBTIME/SHEF VALUE NAME / DETAIL STATE
SDGT01 DH1300/PPDRZ 1.20 : Milbank 4SSW SD
MLBS2 DH1230/PPDRZ 0.92 : Milbank WWTP SD
WMTS2 DH1300/PPDRZ 0.91 : Wilmot SD
SDRB01 DH1200/PPDRZ 0.56 : Sisseton 4W SD
SDRB04 DH1200/PPDRZ 0.47 : Sisseton 10ENE SD
Top daily precipitation reports greater than zero from Wisconsin:
LID OBTIME/SHEF VALUE NAME / DETAIL STATE
WIPP02 DH1300/PPDRZ 2.95 : Stockholm 3NE WI
CTNW3 DH1236/PPDRZ 2.31 : Cashton 3NNW WI
HLBW3 DH1200/PPDRZ 2.22 : Hillsboro 2SW WI
WILC01 DH1200/PPDRZ 2.04 : West Salem 1W WI
WIPP08 DH1200/PPDRZ 1.95 : Arkansaw 1SE 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
$$