Hydrometeorological Discussion
Issued by NWS North Central River Forecast Center
Issued by NWS North Central River Forecast Center
447
AGUS73 KMSR 171636
HMDMSR
Hydrometeorological Forecast Discussion
NWS North Central River Forecast Center Twin Cities/Chanhassen MN
1136 AM CDT Sun Aug 17 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
CAL Little Calumet R Basin 2025-08-17 15:27 UTC
CIW Cedar/Iowa R Basin 2025-08-17 14:53 UTC
DES Des Moines R Basin 2025-08-17 15:04 UTC
EWS Ern Wisconsin Basins to Lk MI 2025-08-17 13:08 UTC
GND Grand, Muskegon/White Basins, MI 2025-08-17 13:02 UTC
ILO Mainstem Illinois R 2025-08-17 15:53 UTC
KDF Illinois R tribs abv LaSalle, IL 2025-08-17 13:25 UTC
M10 Miss. R - Lake City, MN-L&D 10 2025-08-17 14:55 UTC
M19 Miss. R - L&D 11-Gregory Landing 2025-08-17 15:31 UTC
MIN Minnesota R abv Shakopee, MN 2025-08-17 14:11 UTC
MIS Miss. R - L&D 20 to Chester, IL 2025-08-17 16:05 UTC
NLM Northern Lower Michigan rivers 2025-08-17 13:01 UTC
RCK Rock R Basin 2025-08-17 15:05 UTC
RDW Mississippi R abv Red Wing, MN 2025-08-17 13:50 UTC
RED Red R of the North mainstem 2025-08-17 15:54 UTC
TIA Misc Iowa Tribs to Miss. R 2025-08-17 14:44 UTC
TMN Red R tribs in Minnesota 2025-08-17 15:55 UTC
UPM Upper Michigan Peninsula rivers 2025-08-17 13:01 UTC
WIS Wisconsin R Basin 2025-08-17 14:42 UTC
=====================================================================
Sites with forecasts above moderate flood level (FS=Flood Stage):
MAX
RVF NWSLI Station name/river FS FCST
MIN MVOM5 Montevideo - Minnesota R 14.0 16.6
MIN MTNM5 Morton - 1SW - Minnesota R 21.0 24.5
MIN SPFM5 Springfield - 4SW @ Cottonwood R 22.0 31.0
MIN NWUM5 New Ulm - 2S - Cottonwood R 11.0 15.9
Sites with forecasts above flood stage (FS):
MAX
RVF NWSLI Station name/river FS FCST
KDF SORI2 Shorewood - Du Page R 15.0 16.1
KDF NMSW3 New Munster - 2N - Fox R 11.0 11.0
MIN GTEM5 Granite Falls - Minnesota R 885.0 885.9
MIN RWDM5 Redwood Falls - 3SW - Redwood R 6.0 7.2
RED WHNN8 Wahpeton - Red R 11.0 11.5
RED FGON8 Fargo - WTP - Red R 18.0 19.7
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 8.5
CAL SHLI2 South Holland - Little Calumet R 16.0 13.1
CIW LANM5 Lansing - Cedar R 18.0 17.9
CIW ASTM5 Austin - WWTP - Cedar R 15.0 14.2
CIW TRCM5 Austin - 3NW - Turtle Cr 10.5 8.7
CIW SHRI4 Shell Rock - Shell Rock R 12.0 10.1
CIW WAPI4 Wapello - Iowa R 21.0 18.7
CIW OKVI4 Oakville - Iowa R 11.0 8.8
DES AGNI4 Algona - 1NNW - E Fk Des Moines R 17.0 13.9
DES OTMI4 Ottumwa - Des Moines R 11.5 9.0
KDF LEMI2 Lemont - 1NW - Des Plaines R 10.0 9.5
KDF BOLI2 Bollingbrook - E Br Du Page R 20.0 18.7
KDF NDRI2 Plainfield - Du Page R 12.0 11.2
KDF WKEW3 Waukesha - Fox R 6.0 5.8
M10 DCHI4 Dorchester - 4S - Hwy 76 / Upper Iowa R 14.0 11.5
MIN MSHM5 Marshall - 1W - Redwood R 14.0 12.5
MIN NULM5 New Ulm - 2S - Minnesota R 800.0 799.9
MIN MNKM5 Mankato - Minnesota R 22.0 18.0
MIN HENM5 Henderson - Minnesota R 732.0 731.9
MIN JDNM5 Jordan - Minnesota R 25.0 24.4
MIS LUSM7 Louisiana - WTP-(Pool 24 CP)-Mississippi R 15.0 13.7
MIS CLKM7 Clarksville - L&D 24 - Mississippi R 25.0 23.1
RCK WATW3 Watertown - WWTP - Rock R 5.5 4.3
RDW DELM5 Delano - So Fk Crow R 16.5 11.9
RDW SAVM5 Savage - Minnesota R 702.0 697.7
WIS ARCW3 Arcadia - Trempealeau R 8.0 6.3
=====================================================================
...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
IAWH01 DH1324/PPDRZ 2.75 : Decorah 8ENE IA
YSPI4 DH1200/PPDRG 2.06 : Harpers Ferry 5WSW /RAWS/ IA
IAAL03 DH1200/PPDRZ 1.94 : Monona 10N IA
IAAL05 DH1200/PPDRZ 1.63 : Lansing 4NW IA
IAAL07 DH1200/PPDRZ 1.30 : Harpers Ferry 6SSW IA
Top daily precipitation reports greater than zero from Illinois:
LID OBTIME/SHEF VALUE NAME / DETAIL STATE
ILKD127 DH1200/PPDRZ 5.23 : Oswego 2WSW IL
ILKD102 DH1200/PPDRZ 4.62 : Oswego 2SSW IL
WBOI2 DH1200/PPDRG 4.59 : Oswego IL
ILKD34 DH1200/PPDRZ 4.58 : Plainfield 5SW IL
ILWL58 DH1400/PPDRZ 4.50 : Plainfield 3ESE IL
Top daily precipitation reports greater than zero from Indiana:
LID OBTIME/SHEF VALUE NAME / DETAIL STATE
INPT80 DH1200/PPDRZ 2.75 : Portage 3E IN
INLK89 DH1200/PPDRZ 2.62 : Hammond 1SSW IN
INLK15 DH1200/PPDRZ 2.59 : Dyer 1WNW IN
INLK111 DH1200/PPDRZ 2.45 : Hobart 1S IN
MRVI3 DH1200/PPDRG 2.41 : Merrillville IN
Top daily precipitation reports greater than zero from Michigan:
LID OBTIME/SHEF VALUE NAME / DETAIL STATE
MIIH07 DH1100/PPDRZ 2.62 : Okemos 1ESE MI
REXM4 DH1200/PPDRG 1.88 : Rexton / RAWS MI
MIDC06 DH1200/PPDRZ 1.35 : Iron Mountain 1W MI
IMT DH1154/PPDRZ 1.30 : Iron Mountain/Kingsford - Ford Arpt MI
MILN16 DH1300/PPDRZ 1.29 : Clinton MI
Top daily precipitation reports greater than zero from Minnesota:
LID OBTIME/SHEF VALUE NAME / DETAIL STATE
MNBU23 DH1200/PPDRZ 3.94 : Mankato 2SE MN
MNMW13 DH1300/PPDRZ 3.66 : Waltham 2SE MN
STGM5 DH1200/PPDRG 3.64 : Sterling Center 2NE MN
MNSE03 DH1200/PPDRZ 3.18 : Ellendale MN
LANM5 DH1200/PPDRG 3.12 : Lansing MN
Top daily precipitation reports greater than zero from Missouri:
LID OBTIME/SHEF VALUE NAME / DETAIL STATE
MOSL27 DH1130/PPDRZ 0.45 : Ballwin MO
MOSL49 DH1200/PPDRZ 0.40 : Ballwin 2E MO
SPEM7 DH1200/PPDRZ 0.34 : St Louis MO
MOSS27 DH1240/PPDRZ 0.34 : St. Charles 2NE MO
CAZM7 DH1200/PPDRG 0.22 : Cap Au Gris (Winfield) L&D 25 (HP) MO
Top daily precipitation reports greater than zero from North Dakota:
LID OBTIME/SHEF VALUE NAME / DETAIL STATE
NDRC14 DH1200/PPDRZ 1.00 : Wahpeton 1SSE ND
NDGF18 DH1218/PPDRZ 0.29 : Reynolds 8ENE ND
GRFN8 DH1200/PPDRZ 0.24 : Grand Forks - Nws / U Of North Dako ND
GFK DH1153/PPDRZ 0.17 : Grand Forks 4W - Intl Aprt ND
RDR DH1155/PPDRZ 0.05 : Grand Forks AFB ND
Top daily precipitation reports greater than zero from South Dakota:
LID OBTIME/SHEF VALUE NAME / DETAIL STATE
SDRB01 DH1200/PPDRZ 0.21 : Sisseton 4W SD
SDRB04 DH1200/PPDRZ 0.21 : Sisseton 10ENE SD
SDGT09 DH1200/PPDRZ 0.03 : LaBolt SD
MLBS2 DH1300/PPDRZ 0.001 : Milbank WWTP SD
Top daily precipitation reports greater than zero from Wisconsin:
LID OBTIME/SHEF VALUE NAME / DETAIL STATE
DMLW3 DH1200/PPDRG 2.88 : Lublin 2NE - Diamond Lake /RAWS/ WI
LYNW3 DH1150/PPDRZ 2.85 : Lynxville L&D 9 WI
LYNW3 DH1200/PPDRG 2.68 : Lynxville L&D 9 WI
PITW3 DH1200/PPDRZ 2.35 : Pittsville WWTP WI
LOOW3 DH1217/PPDRZ 2.32 : Waterloo WWTP 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
$$