Great Miami River from Sidney to Hamilton, OH
08/13/2026 11:00 AM
78°F
TEMPERATURE
Winds 3 mph S
Partly Sunny
A slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 87. West wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Alerts

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Flood Watch issued August 13 at 11:45AM EDT until August 14 at 11:00AM EDT by NWS Wilmington OH
NWS Wilmington OH
Category Certainty Severity
Met Possible Severe
Status Urgency Category
Actual Future Met
Effective Ends Expires
08/13/2026 11:45 AM 08/14/2026 11:00 AM 08/13/2026 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 Friday morning.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Area creeks and streams are running high and could flood with more
heavy rain.

* ADDITIONAL DETAILS...
- A lull in rainfall will continue for much of the day. However,
additional storms will move into the area later this afternoon.
The risk of heavy rainfall will be greatest tonight into early
Friday morning. There is also the potential for storms to
repeatedly move over the same locations, which increases flash
flood risk.
                                            
Moonrise
08:46 AM
Moonset
10:14 PM
Sunrise
06:46 AM
Moon Phase
Waxing crescent
Sunset
08:36 PM

Hourly Forecast

Thu, 11:00 AM

Partly Sunny
Winds: 3 mph S
78°

Thu, 12:00 PM

Partly Sunny
Winds: 3 mph S
81°

Thu, 01:00 PM

Partly Sunny
Winds: 3 mph SW
84°

Thu, 02:00 PM

Partly Sunny
Winds: 3 mph NW
85°

Thu, 03:00 PM

Partly Sunny
Winds: 5 mph N
85°

Thu, 04:00 PM

Mostly Cloudy
Winds: 5 mph N
86°

Thu, 05:00 PM

Slight Chance Showers And Thunderstorms
Winds: 5 mph N
85°

Thu, 06:00 PM

Chance Showers And Thunderstorms
Winds: 5 mph N
85°

Thu, 07:00 PM

Chance Showers And Thunderstorms
Winds: 5 mph N
83°

Thu, 08:00 PM

Chance Showers And Thunderstorms
Winds: 5 mph N
80°

Thu, 09:00 PM

Chance Showers And Thunderstorms
Winds: 3 mph NE
78°

Thu, 10:00 PM

Showers And Thunderstorms Likely
Winds: 3 mph NE
76°

Thu, 11:00 PM

Slight Chance Rain Showers
Winds: 3 mph NE
75°

Fri, 12:00 AM

Slight Chance Rain Showers
Winds: 3 mph E
74°

Fri, 01:00 AM

Chance Rain Showers
Winds: 3 mph E
73°

Fri, 02:00 AM

Chance Showers And Thunderstorms
Winds: 3 mph E
73°

Fri, 03:00 AM

Chance Showers And Thunderstorms
Winds: 3 mph E
73°

Fri, 04:00 AM

Chance Showers And Thunderstorms
Winds: 3 mph E
72°

Fri, 05:00 AM

Chance Showers And Thunderstorms
Winds: 3 mph E
72°

Fri, 06:00 AM

Showers And Thunderstorms Likely
Winds: 3 mph E
72°

Fri, 07:00 AM

Showers And Thunderstorms Likely
Winds: 3 mph E
72°

Fri, 08:00 AM

Showers And Thunderstorms Likely
Winds: 3 mph E
71°

Fri, 09:00 AM

Showers And Thunderstorms Likely
Winds: 5 mph E
73°

Fri, 10:00 AM

Showers And Thunderstorms Likely
Winds: 5 mph E
76°
Winds: 5 mph W
A slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 87. West wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Winds: 5 mph NE
A chance of showers and thunderstorms before 10pm, then showers and thunderstorms likely between 10pm and 5am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Northeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Winds: 3 to 7 mph E
Showers and thunderstorms likely before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 86. East wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Winds: 7 mph E
A chance of showers and thunderstorms between 8pm and 2am, then a chance of showers and thunderstorms between 2am and 5am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. East wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
Winds: 7 mph SE
A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Southeast wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Winds: 7 mph S
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Winds: 7 to 12 mph SW
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
Winds: 5 to 12 mph NW
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 71. Chance of precipitation is 70%.
Winds: 5 to 10 mph N
A chance of rain showers before 8am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Winds: 2 to 10 mph N
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64.
Winds: 5 mph NE
Mostly sunny, with a high near 83.
Winds: 1 to 5 mph E
Mostly clear, with a low around 65.
Winds: 2 to 9 mph S
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85.
Winds: 3 to 8 mph SW
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 67.

Nearshore Marine Forecast

National Weather Service Northern Indiana

For waters within five nautical miles of shore on Lake Michigan THIS AFTERNOON.Light and variable winds. A chance of showers with a slight chance of thunderstorms late. Waves 1 foot or less. .TONIGHT.Northeast winds 5 to 10 knots becoming east. A chance of showers with a slight chance of thunderstorms. Waves 1 foot or less. .FRIDAY.East winds 5 to 10 knots becoming northeast. A chance of showers with a slight chance of thunderstorms. Waves 1 foot or less. .FRIDAY NIGHT.Northeast winds 5 to 10 knots becoming southeast. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms overnight. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. The water temperature at St. Joseph is 74 degrees and at Michigan City is 66 degrees.

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