River Forecast
Issued by NWS
Issued by NWS
508 FGUS51 KTIR 181522 RVFMAU River Forecast NWS Ohio River Forecast Center, Wilmington OH 1121 AM EDT Tue Aug 18 2026 This is a NWS guidance product from the Ohio River Forecast Center. Public forecasts and warnings are issued only by local NWS offices. Statistical uncertainties can be viewed from our ensemble pages at: http://weather.gov/erh/mmefs : :************************************************************ : Saint Marys River - St Marys River at Decatur, IN - IWX : : Action Stage 13.0 ft : Flood Stage 17.0 ft : Moderate Flood Stage 20.0 ft : Major Flood Stage 24.0 ft : :Latest Observed Value - 12.8 FT at 1055 AM EDT on Aug 18 : .ER DCRI3 20260818 Z DC202608181521/DH18/HGIFFZZ/DIH6 :STAGE FCST / 12Z / 18Z / 00Z / 06Z .E1 : 0818 : / 12.7 / 12.5 / 12.2 .E2 : 0819 : / 12.0 / 11.6 / 11.2 / 10.8 .E3 : 0820 : / 10.4 / 10.0 / 9.6 / 9.2 .E4 : 0821 : / 8.9 / 8.5 / 8.2 / 7.8 .E5 : 0822 : / 7.5 / 7.3 / 7.0 / 6.8 .E6 : 0823 : / 6.6 : Local Basin QPF - 6 hr timestep : 0.00/ 0.00/ 0.00/ 0.04/ 0.04/ 0.00/ 0.02/ 0.00/ : :************************************************************ : Maumee River - Fort Wayne, IN - IWX : : Action Stage 9.6 ft : Flood Stage 17.0 ft : Moderate Flood Stage 20.0 ft : Major Flood Stage 26.0 ft : :Latest Observed Value - 6.6 FT at 1055 AM EDT on Aug 18 : .ER FTWI3 20260818 Z DC202608181521/DH18/HGIFFZZ/DIH6 :STAGE FCST / 12Z / 18Z / 00Z / 06Z .E1 : 0818 : / 6.6 / 6.3 / 6.1 .E2 : 0819 : / 5.9 / 5.7 / 5.5 / 5.3 .E3 : 0820 : / 5.1 / 4.9 / 4.7 / 4.5 .E4 : 0821 : / 4.3 / 4.1 / 3.9 / 3.7 .E5 : 0822 : / 3.6 / 3.4 / 3.3 / 3.1 .E6 : 0823 : / 3.0 : Local Basin QPF - 6 hr timestep : 0.00/ 0.00/ 0.00/ 0.08/ 0.01/ 0.00/ 0.00/ 0.00/ : :************************************************************ : Blanchard River - Findlay, OH - CLE : : Action Stage 9.0 ft : Flood Stage 12.0 ft : Moderate Flood Stage 13.5 ft : Major Flood Stage 14.5 ft : :Latest Observed Value - 2.9 FT at 1100 AM EDT on Aug 18 : .ER FDYO1 20260818 Z DC202608181521/DH18/HGIFFZZ/DIH6 :STAGE FCST / 12Z / 18Z / 00Z / 06Z .E1 : 0818 : / 2.7 / 2.4 / 2.3 .E2 : 0819 : / 2.1 / 1.9 / 1.7 / 1.6 .E3 : 0820 : / 1.5 / 1.4 / 1.3 / 1.3 .E4 : 0821 : / 1.2 / 1.2 / 1.2 / 1.1 .E5 : 0822 : / 1.1 / 1.1 / 1.1 / 1.0 .E6 : 0823 : / 1.0 : Local Basin QPF - 6 hr timestep : 0.00/ 0.00/ 0.00/ 0.02/ 0.01/ 0.00/ 0.01/ 0.00/ : :************************************************************ : Blanchard River - Blanchard River at Ottawa, OH - IWX : : Action Stage 20.0 ft : Flood Stage 23.0 ft : Moderate Flood Stage 27.0 ft : Major Flood Stage 30.0 ft : :Latest Observed Value - 13.3 FT at 1030 AM EDT on Aug 18 : .ER OTTO1 20260818 Z DC202608181521/DH18/HGIFFZZ/DIH6 :STAGE FCST / 12Z / 18Z / 00Z / 06Z .E1 : 0818 : / 13.1 / 12.6 / 12.0 .E2 : 0819 : / 10.7 / 9.6 / 8.9 / 8.5 .E3 : 0820 : / 7.9 / 7.4 / 7.0 / 6.7 .E4 : 0821 : / 6.5 / 6.3 / 6.1 / 5.9 .E5 : 0822 : / 5.8 / 5.7 / 5.6 / 5.5 .E6 : 0823 : / 5.5 : Local Basin QPF - 6 hr timestep : 0.00/ 0.00/ 0.00/ 0.04/ 0.02/ 0.00/ 0.01/ 0.00/ : :************************************************************ : Ottawa River - Kalida, OH - IWX : : Action Stage 16.0 ft : Flood Stage 19.0 ft : Moderate Flood Stage 20.0 ft : Major Flood Stage 22.0 ft : :Latest Observed Value - 9.2 FT at 1030 AM EDT on Aug 18 : .ER KALO1 20260818 Z DC202608181521/DH18/HGIFFZZ/DIH6 :STAGE FCST / 12Z / 18Z / 00Z / 06Z .E1 : 0818 : / 9.0 / 8.8 / 8.6 .E2 : 0819 : / 8.2 / 7.9 / 7.7 / 7.5 .E3 : 0820 : / 7.5 / 7.1 / 6.8 / 6.6 .E4 : 0821 : / 6.3 / 6.1 / 5.9 / 5.8 .E5 : 0822 : / 5.6 / 5.5 / 5.4 / 5.3 .E6 : 0823 : / 5.2 : Local Basin QPF - 6 hr timestep : 0.00/ 0.00/ 0.00/ 0.03/ 0.04/ 0.00/ 0.02/ 0.00/ : :************************************************************ : Maumee River - Defiance, OH - IWX : : Action Stage 8.0 ft : Flood Stage 10.0 ft : Moderate Flood Stage 15.0 ft : Major Flood Stage 20.0 ft : :Latest Observed Value - 4.7 FT at 1015 AM EDT on Aug 18 : .ER DEFO1 20260818 Z DC202608181521/DH18/HGIFFZZ/DIH6 :STAGE FCST / 12Z / 18Z / 00Z / 06Z .E1 : 0818 : / 4.2 / 3.9 / 3.7 .E2 : 0819 : / 3.6 / 3.4 / 3.1 / 2.9 .E3 : 0820 : / 2.7 / 2.5 / 2.4 / 2.3 .E4 : 0821 : / 2.3 / 2.2 / 2.2 / 2.1 .E5 : 0822 : / 2.0 / 1.9 / 1.8 / 1.7 .E6 : 0823 : / 1.6 : Local Basin QPF - 6 hr timestep : 0.00/ 0.00/ 0.00/ 0.12/ 0.00/ 0.00/ 0.00/ 0.00/ : :************************************************************ : Maumee River - Waterville, OH - CLE : : Action Stage 9.0 ft : Flood Stage 11.0 ft : Moderate Flood Stage 15.0 ft : Major Flood Stage 16.0 ft : :Latest Observed Value - 6.6 FT at 1100 AM EDT on Aug 18 : .ER WTVO1 20260818 Z DC202608181521/DH18/HGIFFZZ/DIH6 :STAGE FCST / 12Z / 18Z / 00Z / 06Z .E1 : 0818 : / 6.5 / 6.1 / 5.5 .E2 : 0819 : / 5.1 / 4.9 / 4.8 / 4.6 .E3 : 0820 : / 4.4 / 4.2 / 4.0 / 3.9 .E4 : 0821 : / 3.8 / 3.7 / 3.6 / 3.5 .E5 : 0822 : / 3.5 / 3.4 / 3.3 / 3.2 .E6 : 0823 : / 3.1 : Local Basin QPF - 6 hr timestep : 0.00/ 0.00/ 0.00/ 0.06/ 0.01/ 0.00/ 0.00/ 0.00/ : : :******************************************************************* : : $$ : : :...END of MESSAGE...