Great Miami River from Sidney to Hamilton, OH
08/12/2026 08:00 AM
70°F
TEMPERATURE
Winds 6 mph SW
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 11am, then showers and thunderstorms likely. Mostly cloudy, with a high near 87. Southwest wind 6 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Alerts

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Flood Watch issued August 12 at 9:17AM EDT until August 12 at 11:00PM EDT by NWS Wilmington OH
NWS Wilmington OH
Category Certainty Severity
Met Possible Severe
Status Urgency Category
Actual Future Met
Effective Ends Expires
08/12/2026 09:17 AM 08/12/2026 11:00 PM 08/12/2026 11:00 PM
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.

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

* WHEN...Through this evening.

* 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 this evening. 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
07:30 AM
Moonset
09:47 PM
Sunrise
06:45 AM
Moon Phase
Waning crescent
Sunset
08:38 PM

Hourly Forecast

Wed, 08:00 AM

Showers And Thunderstorms Likely
Winds: 6 mph SW
70°

Wed, 09:00 AM

Showers And Thunderstorms Likely
Winds: 6 mph SW
72°

Wed, 10:00 AM

Chance Showers And Thunderstorms
Winds: 7 mph S
75°

Wed, 11:00 AM

Slight Chance Showers And Thunderstorms
Winds: 8 mph SW
77°

Wed, 12:00 PM

Mostly Cloudy
Winds: 8 mph SW
79°

Wed, 01:00 PM

Slight Chance Showers And Thunderstorms
Winds: 9 mph SW
82°

Wed, 02:00 PM

Showers And Thunderstorms Likely
Winds: 9 mph SW
83°

Wed, 03:00 PM

Chance Showers And Thunderstorms
Winds: 10 mph W
84°

Wed, 04:00 PM

Chance Showers And Thunderstorms
Winds: 10 mph SW
86°

Wed, 05:00 PM

Chance Showers And Thunderstorms
Winds: 9 mph W
83°

Wed, 06:00 PM

Chance Showers And Thunderstorms
Winds: 9 mph SW
83°

Wed, 07:00 PM

Chance Showers And Thunderstorms
Winds: 8 mph SW
81°

Wed, 08:00 PM

Chance Showers And Thunderstorms
Winds: 6 mph SW
78°

Wed, 09:00 PM

Slight Chance Showers And Thunderstorms
Winds: 5 mph S
76°

Wed, 10:00 PM

Slight Chance Showers And Thunderstorms
Winds: 3 mph S
75°

Wed, 11:00 PM

Chance Showers And Thunderstorms
Winds: 3 mph SW
73°

Thu, 12:00 AM

Chance Showers And Thunderstorms
Winds: 2 mph SW
73°

Thu, 01:00 AM

Chance Showers And Thunderstorms
Winds: 2 mph W
72°

Thu, 02:00 AM

Chance Rain Showers
Winds: 2 mph W
72°

Thu, 03:00 AM

Chance Rain Showers
Winds: 2 mph SW
72°

Thu, 04:00 AM

Chance Rain Showers
Winds: 2 mph W
71°

Thu, 05:00 AM

Chance Rain Showers
Winds: 2 mph W
71°

Thu, 06:00 AM

Chance Rain Showers
Winds: 2 mph W
71°

Thu, 07:00 AM

Chance Rain Showers
Winds: 2 mph NW
69°
Winds: 6 to 10 mph SW
Showers and thunderstorms likely before 11am, then showers and thunderstorms likely. Mostly cloudy, with a high near 87. Southwest wind 6 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Winds: 2 to 9 mph SW
A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Southwest wind 2 to 9 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
Winds: 2 to 7 mph W
A chance of rain showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 85. West wind 2 to 7 mph. Chance of precipitation is 40%. New rainfall amounts between a half and three quarters of an inch possible.
Winds: 2 to 6 mph S
Showers and thunderstorms. Mostly cloudy, with a low around 70. South wind 2 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Winds: 2 to 7 mph NW
Showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 87. Northwest wind 2 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Winds: 7 mph NE
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Winds: 7 mph SE
A chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Winds: 7 mph S
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72.
Winds: 7 to 13 mph SW
A slight chance of rain showers between 8am and 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Winds: 6 to 13 mph NW
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 40%.
Winds: 6 to 9 mph N
A slight chance of rain showers before 8am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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
Sunny, with a high near 83.
Winds: 1 to 6 mph E
Mostly clear, with a low around 64.

Nearshore Marine Forecast

National Weather Service Northern Indiana

For waters within five nautical miles of shore on Lake Michigan TODAY.South winds less than 10 knots becoming northwest. A chance of showers with a slight chance of thunderstorms. Waves 1 foot or less. .TONIGHT.North winds less than 10 knots. Partly cloudy. Waves 1 foot or less. .THURSDAY.South winds less than 10 knots. A slight chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Waves 1 foot or less. .THURSDAY NIGHT.Northeast winds 10 knots or less. Showers likely with a chance of thunderstorms in the evening, then a chance of showers overnight. 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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