Great Miami River from Sidney to Hamilton, OH
08/11/2026 07:00 PM
78°F
TEMPERATURE
Winds 8 mph SW
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 10pm, then showers and thunderstorms likely between 10pm and midnight, then a chance of showers and thunderstorms between midnight and 2am, then showers and thunderstorms. Mostly cloudy, with a low around 68. Southwest wind 3 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Alerts

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Flood Watch issued August 11 at 7:04PM EDT until August 12 at 8:00AM EDT by NWS Wilmington OH
NWS Wilmington OH
Category Certainty Severity
Met Possible Severe
Status Urgency Category
Actual Future Met
Effective Ends Expires
08/11/2026 07:04 PM 08/12/2026 08:00 AM 08/12/2026 08:00 AM
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.

* WHERE...The following counties, in Indiana, Dearborn, Fayette IN,
Franklin IN, Ohio, Ripley, Switzerland, Union IN and Wayne, the
following counties, in Kentucky, Boone, Bracken, Campbell,
Carroll, Gallatin, Grant, Kenton, Lewis, Mason, Owen, Pendleton
and Robertson, and the following counties, in Ohio, Adams,
Auglaize, Brown, Butler, Champaign, Clark, Clermont, Clinton,
Darke, Delaware, Fairfield, Fayette OH, Franklin OH, Greene,
Hamilton, Hardin, Highland, Hocking, Licking, Logan, Madison,
Mercer, Miami, Montgomery, Pickaway, Pike, Preble, Ross, Scioto,
Shelby, Union OH and Warren.

* WHEN...Through Wednesday morning.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS...
- Additional thunderstorms are expected into Wednesday morning.
Locally heavy rainfall and the potential for storms to
repeatedly track over the same areas are possible. This will
result in the potential for flash flooding.
                                            
Moonrise
06:12 AM
Moonset
09:15 PM
Sunrise
06:45 AM
Moon Phase
Waning crescent
Sunset
08:38 PM

Hourly Forecast

Tue, 07:00 PM

Chance Showers And Thunderstorms
Winds: 8 mph SW
78°

Tue, 08:00 PM

Slight Chance Showers And Thunderstorms
Winds: 7 mph SW
76°

Tue, 09:00 PM

Chance Showers And Thunderstorms
Winds: 5 mph SW
75°

Tue, 10:00 PM

Showers And Thunderstorms Likely
Winds: 5 mph W
73°

Tue, 11:00 PM

Showers And Thunderstorms Likely
Winds: 3 mph W
73°

Wed, 12:00 AM

Chance Showers And Thunderstorms
Winds: 3 mph SW
72°

Wed, 01:00 AM

Chance Showers And Thunderstorms
Winds: 3 mph SW
71°

Wed, 02:00 AM

Showers And Thunderstorms Likely
Winds: 3 mph S
71°

Wed, 03:00 AM

Showers And Thunderstorms Likely
Winds: 3 mph SW
71°

Wed, 04:00 AM

Showers And Thunderstorms Likely
Winds: 3 mph SW
70°

Wed, 05:00 AM

Showers And Thunderstorms
Winds: 5 mph SW
70°

Wed, 06:00 AM

Showers And Thunderstorms Likely
Winds: 5 mph S
70°

Wed, 07:00 AM

Showers And Thunderstorms
Winds: 5 mph SW
69°

Wed, 08:00 AM

Chance Showers And Thunderstorms
Winds: 5 mph SW
70°

Wed, 09:00 AM

Chance Showers And Thunderstorms
Winds: 5 mph SW
72°

Wed, 10:00 AM

Slight Chance Showers And Thunderstorms
Winds: 7 mph SW
75°

Wed, 11:00 AM

Mostly Cloudy
Winds: 7 mph SW
77°

Wed, 12:00 PM

Mostly Cloudy
Winds: 8 mph SW
79°

Wed, 01:00 PM

Partly Sunny
Winds: 8 mph SW
82°

Wed, 02:00 PM

Chance Showers And Thunderstorms
Winds: 9 mph W
84°

Wed, 03:00 PM

Chance Showers And Thunderstorms
Winds: 9 mph W
84°

Wed, 04:00 PM

Chance Showers And Thunderstorms
Winds: 9 mph W
86°

Wed, 05:00 PM

Chance Showers And Thunderstorms
Winds: 9 mph NW
84°

Wed, 06:00 PM

Chance Showers And Thunderstorms
Winds: 9 mph NW
83°
Winds: 3 to 10 mph SW
A chance of showers and thunderstorms before 10pm, then showers and thunderstorms likely between 10pm and midnight, then a chance of showers and thunderstorms between midnight and 2am, then showers and thunderstorms. Mostly cloudy, with a low around 68. Southwest wind 3 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Winds: 5 to 9 mph SW
Showers and thunderstorms before 10am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 87. Southwest wind 5 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Winds: 2 to 9 mph W
A chance of showers and thunderstorms before 10pm, then showers and thunderstorms likely between 11pm and midnight, then a chance of showers and thunderstorms between midnight and 5am, then showers and thunderstorms likely. Mostly cloudy, with a low around 69. West wind 2 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Winds: 2 to 7 mph SW
Showers and thunderstorms likely. Mostly cloudy, with a high near 85. Southwest wind 2 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Winds: 6 mph SW
Showers and thunderstorms. Mostly cloudy, with a low around 69. Southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Winds: 3 to 9 mph N
Showers and thunderstorms likely. Partly sunny, with a high near 85. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Winds: 6 to 9 mph NE
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Winds: 8 mph E
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85.
Winds: 7 mph S
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Winds: 7 to 13 mph SW
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Winds: 6 to 12 mph W
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
Winds: 6 to 9 mph NW
A slight chance of rain showers before 8am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Winds: 2 to 9 mph N
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64.
Winds: 2 to 6 mph NE
Mostly sunny, with a high near 83.

Nearshore Marine Forecast

National Weather Service Northern Indiana

For waters within five nautical miles of shore on Lake Michigan TONIGHT.Southeast winds less than 10 knots. A chance of showers with a slight chance of thunderstorms this evening. Waves 1 foot or less. .WEDNESDAY.Southeast winds less than 10 knots becoming northwest. A chance of showers. Waves 1 foot or less. .WEDNESDAY NIGHT.North winds less than 10 knots. A slight chance of showers. Waves 1 foot or less. .THURSDAY.East winds less than 10 knots becoming north. A chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. The water temperature at St. Joseph is 72 degrees and at Michigan City is 67 degrees.

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