Great Miami River from Sidney to Hamilton, OH
08/15/2026 07:00 PM
82°F
TEMPERATURE
Winds 6 mph S
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 8pm, then showers and thunderstorms likely between 8pm and 1am, then a chance of showers and thunderstorms between 1am and 5am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Alerts

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Flood Watch issued August 15 at 10:48AM EDT until August 16 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
08/15/2026 10:48 AM 08/16/2026 08:00 AM 08/15/2026 11:00 PM
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.

* WHERE...Portions of Indiana, including the following counties,
Fayette, Franklin, Union and Wayne and Ohio, including the
following counties, Adams, Auglaize, Butler, Champaign, Clark,
Clinton, Darke, Delaware, Fairfield, Fayette, Franklin, Greene,
Hardin, Highland, Hocking, Licking, Logan, Madison, Mercer, Miami,
Montgomery, Pickaway, Pike, Preble, Ross, Scioto, Shelby, Union and
Warren.

* WHEN...Through Sunday morning.

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

* ADDITIONAL DETAILS...
- Additional rounds of showers and thunderstorms are expected today
and tonight. Heavy rainfall is possible, especially tonight,
which may result in flash flooding.
                                            
Moonrise
11:07 AM
Moonset
11:01 PM
Sunrise
06:48 AM
Moon Phase
Waxing crescent
Sunset
08:33 PM

Hourly Forecast

Sat, 07:00 PM

Showers And Thunderstorms Likely
Winds: 6 mph S
82°

Sat, 08:00 PM

Showers And Thunderstorms Likely
Winds: 6 mph S
79°

Sat, 09:00 PM

Showers And Thunderstorms Likely
Winds: 5 mph S
78°

Sat, 10:00 PM

Showers And Thunderstorms Likely
Winds: 5 mph W
76°

Sat, 11:00 PM

Showers And Thunderstorms Likely
Winds: 5 mph SW
75°

Sun, 12:00 AM

Showers And Thunderstorms Likely
Winds: 5 mph SW
75°

Sun, 01:00 AM

Chance Showers And Thunderstorms
Winds: 3 mph S
75°

Sun, 02:00 AM

Chance Showers And Thunderstorms
Winds: 5 mph S
75°

Sun, 03:00 AM

Chance Showers And Thunderstorms
Winds: 5 mph SW
75°

Sun, 04:00 AM

Chance Showers And Thunderstorms
Winds: 5 mph S
74°

Sun, 05:00 AM

Chance Showers And Thunderstorms
Winds: 6 mph SW
74°

Sun, 06:00 AM

Slight Chance Showers And Thunderstorms
Winds: 6 mph SW
74°

Sun, 07:00 AM

Slight Chance Showers And Thunderstorms
Winds: 6 mph SW
73°

Sun, 08:00 AM

Slight Chance Rain Showers
Winds: 6 mph SW
75°

Sun, 09:00 AM

Mostly Sunny
Winds: 7 mph SW
76°

Sun, 10:00 AM

Sunny
Winds: 8 mph W
80°

Sun, 11:00 AM

Mostly Sunny
Winds: 9 mph W
82°

Sun, 12:00 PM

Slight Chance Showers And Thunderstorms
Winds: 10 mph W
85°

Sun, 01:00 PM

Chance Showers And Thunderstorms
Winds: 10 mph W
86°

Sun, 02:00 PM

Chance Showers And Thunderstorms
Winds: 12 mph SW
87°

Sun, 03:00 PM

Showers And Thunderstorms Likely
Winds: 12 mph W
87°

Sun, 04:00 PM

Showers And Thunderstorms Likely
Winds: 12 mph W
88°

Sun, 05:00 PM

Showers And Thunderstorms Likely
Winds: 12 mph W
86°

Sun, 06:00 PM

Showers And Thunderstorms Likely
Winds: 12 mph W
86°
Winds: 6 mph S
Showers and thunderstorms likely before 8pm, then showers and thunderstorms likely between 8pm and 1am, then a chance of showers and thunderstorms between 1am and 5am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Winds: 6 to 12 mph SW
A slight chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms between 1pm and 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers and thunderstorms likely. Partly sunny, with a high near 88. Southwest wind 6 to 12 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Winds: 3 to 12 mph W
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 72. West wind 3 to 12 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Winds: 3 to 9 mph NW
A chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 81. Northwest wind 3 to 9 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Winds: 1 to 9 mph N
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 62. North wind 1 to 9 mph. Chance of precipitation is 20%.
Winds: 0 to 5 mph W
Sunny, with a high near 81.
Winds: 3 mph SW
Mostly clear, with a low around 64.
Winds: 3 to 10 mph SW
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 50%.
Winds: 6 to 9 mph NW
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Winds: 6 to 9 mph N
Mostly sunny, with a high near 75.
Winds: 3 to 9 mph NE
Partly cloudy, with a low around 59.
Winds: 3 to 8 mph NE
Mostly sunny, with a high near 76.
Winds: 3 to 7 mph NE
Partly cloudy, with a low around 60.
Winds: 3 to 8 mph N
Mostly sunny, with a high near 77.

Nearshore Marine Forecast

National Weather Service Northern Indiana

For waters within five nautical miles of shore on Lake Michigan TONIGHT.South winds less than 10 knots. A chance of showers and thunderstorms. Waves 1 foot or less. .SUNDAY.Southwest winds 5 to 10 knots becoming west. Showers likely with a chance of thunderstorms in the morning. Waves 1 foot or less. .SUNDAY NIGHT.West winds 10 knots or less becoming north. Mostly cloudy in the evening, then becoming partly cloudy. Waves 2 feet or less. .MONDAY.North winds 5 to 10 knots. Sunny. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. The water temperature at St. Joseph and Michigan City is 59 degrees.

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