River Forecast
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807
FGUS51 KTIR 112150
RVFMIM

River Forecast
NWS Ohio River Forecast Center, Wilmington OH
550 PM EDT Tue Aug 11 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


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:************************************************************
: Great Miami River - Sidney, OH - ILN
:
: Action Stage         8.0 ft
: Flood Stage          10.0 ft
: Moderate Flood Stage 14.6 ft
: Major Flood Stage    18.0 ft
:
:Latest Observed Value - 2.9 FT at 430 PM EDT on Aug 11
:

.ER SIDO1 20260812 Z DC202608112150/DH00/HGIFFZZ/DIH6
:STAGE FCST       /   12Z /   18Z /   00Z /   06Z
.E1    : 0811 :                   /   3.2 /   3.8
.E2    : 0812 :   /   4.2 /   4.3 /   4.3 /   4.2
.E3    : 0813 :   /   3.9 /   3.6 /   3.4 /   3.2
.E4    : 0814 :   /   3.0 /   2.8 /   2.6 /   2.4
.E5    : 0815 :   /   2.2 /   2.1 /   2.0 /   1.9
.E6    : 0816 :   /   1.8 /   1.8
: Local Basin QPF - 6 hr timestep
:  0.62/ 0.13/ 0.04/ 0.00/ 0.09/ 0.05/ 0.04/ 0.12/
:


:************************************************************
: Great Miami River - Taylorsville Dam, OH - ILN
:
: Action Stage         18.0 ft
: Flood Stage          22.0 ft
: Moderate Flood Stage 30.0 ft
: Major Flood Stage    60.0 ft
:
:Latest Observed Value - 3.3 FT at 430 PM EDT on Aug 11
:

.ER TAYO1 20260812 Z DC202608112150/DH00/HPIFFZZ/DIH6
:POOL FCST        /   12Z /   18Z /   00Z /   06Z
.E1    : 0811 :                   /   4.0 /   5.1
.E2    : 0812 :   /   6.0 /   6.9 /   7.6 /   8.1
.E3    : 0813 :   /   8.2 /   8.0 /   7.5 /   7.0
.E4    : 0814 :   /   6.4 /   5.9 /   5.5 /   5.0
.E5    : 0815 :   /   4.7 /   4.3 /   4.0 /   3.8
.E6    : 0816 :   /   3.6 /   3.5
: Local Basin QPF - 6 hr timestep
:  0.89/ 0.19/ 0.11/ 0.00/ 0.23/ 0.04/ 0.08/ 0.10/
:


:************************************************************
: Mad River - Springfield, OH - ILN
:
: Action Stage         9.0 ft
: Flood Stage          12.0 ft
: Moderate Flood Stage 16.0 ft
: Major Flood Stage    18.0 ft
:
:Latest Observed Value - 5.9 FT at 515 PM EDT on Aug 11
:

.ER SGFO1 20260812 Z DC202608112150/DH00/HGIFFZZ/DIH6
:STAGE FCST       /   12Z /   18Z /   00Z /   06Z
.E1    : 0811 :                   /   6.0 /   6.6
.E2    : 0812 :   /   6.5 /   5.9 /   4.6 /   3.9
.E3    : 0813 :   /   3.6 /   3.5 /   3.4 /   3.4
.E4    : 0814 :   /   3.4 /   3.3 /   3.3 /   3.3
.E5    : 0815 :   /   3.3 /   3.3 /   3.3 /   3.3
.E6    : 0816 :   /   3.3 /   3.3
: Local Basin QPF - 6 hr timestep
:  1.11/ 0.22/ 0.16/ 0.00/ 0.20/ 0.05/ 0.08/ 0.09/
:


:************************************************************
: Mad River - Huffman Dam, OH - ILN
:
: Action Stage         15.0 ft
: Flood Stage          25.0 ft
: Moderate Flood Stage 32.0 ft
: Major Flood Stage    52.0 ft
:
:Latest Observed Value - 4.5 FT at 430 PM EDT on Aug 11
:

.ER MRDO1 20260812 Z DC202608112150/DH00/HPIFFZZ/DIH6
:POOL FCST        /   12Z /   18Z /   00Z /   06Z
.E1    : 0811 :                   /   5.0 /   6.3
.E2    : 0812 :   /   7.0 /   6.4 /   5.1 /   4.0
.E3    : 0813 :   /   3.4 /   3.0 /   3.0 /   2.9
.E4    : 0814 :   /   2.8 /   2.7 /   2.7 /   2.7
.E5    : 0815 :   /   2.6 /   2.6 /   2.6 /   2.6
.E6    : 0816 :   /   2.6 /   2.6
: Local Basin QPF - 6 hr timestep
:  0.97/ 0.22/ 0.13/ 0.00/ 0.25/ 0.05/ 0.08/ 0.11/
:


:************************************************************
: Great Miami River - Dayton, OH - ILN
:
: Action Stage         29.5 ft
: Flood Stage          41.0 ft
: Moderate Flood Stage 44.0 ft
: Major Flood Stage    48.0 ft
:
:Latest Observed Value - 26.4 FT at 430 PM EDT on Aug 11
:

.ER DTNO1 20260812 Z DC202608112150/DH00/HGIFFZZ/DIH6
:STAGE FCST       /   12Z /   18Z /   00Z /   06Z
.E1    : 0811 :                   /  26.8 /  27.8
.E2    : 0812 :   /  28.1 /  28.3 /  28.4 /  28.5
.E3    : 0813 :   /  28.4 /  28.3 /  28.1 /  27.8
.E4    : 0814 :   /  27.5 /  27.2 /  26.9 /  26.7
.E5    : 0815 :   /  26.4 /  26.2 /  26.0 /  25.8
.E6    : 0816 :   /  25.7 /  25.6
: Local Basin QPF - 6 hr timestep
:  1.07/ 0.24/ 0.15/ 0.01/ 0.26/ 0.05/ 0.09/ 0.16/
:


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