Great Miami River from Sidney to Hamilton, OH
08/15/2026 05:00 AM
72°F
TEMPERATURE
Winds 2 mph E
Mostly Cloudy
Mostly cloudy, with a low around 71. East wind around 2 mph.

Alerts

You have (1) alert(s). Tap to see details.

Flood Watch issued August 15 at 2:16AM 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 02:16 AM 08/16/2026 08:00 AM 08/15/2026 10:30 AM
* 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, Auglaize, Butler, Champaign, Clark, Clinton,
Darke, Delaware, Fairfield, Fayette, Franklin, Greene, Hardin,
Hocking, Licking, Logan, Madison, Mercer, Miami, Montgomery,
Pickaway, Preble, Ross, Shelby, Union and Warren.

* WHEN...From noon EDT today 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
08:34 PM

Hourly Forecast

Sat, 05:00 AM

Mostly Cloudy
Winds: 2 mph E
72°

Sat, 06:00 AM

Mostly Cloudy
Winds: 1 mph E
71°

Sat, 07:00 AM

Mostly Cloudy
Winds: 2 mph E
71°

Sat, 08:00 AM

Mostly Cloudy
Winds: 2 mph E
73°

Sat, 09:00 AM

Mostly Cloudy
Winds: 2 mph SE
74°

Sat, 10:00 AM

Mostly Cloudy
Winds: 3 mph S
77°

Sat, 11:00 AM

Slight Chance Showers And Thunderstorms
Winds: 5 mph S
79°

Sat, 12:00 PM

Slight Chance Showers And Thunderstorms
Winds: 5 mph S
81°

Sat, 01:00 PM

Slight Chance Showers And Thunderstorms
Winds: 6 mph S
84°

Sat, 02:00 PM

Showers And Thunderstorms Likely
Winds: 6 mph SW
85°

Sat, 03:00 PM

Showers And Thunderstorms
Winds: 6 mph NW
85°

Sat, 04:00 PM

Chance Showers And Thunderstorms
Winds: 7 mph SE
86°

Sat, 05:00 PM

Chance Showers And Thunderstorms
Winds: 6 mph SE
84°

Sat, 06:00 PM

Showers And Thunderstorms Likely
Winds: 6 mph SE
84°

Sat, 07:00 PM

Showers And Thunderstorms Likely
Winds: 6 mph SE
82°

Sat, 08:00 PM

Showers And Thunderstorms Likely
Winds: 6 mph S
80°

Sat, 09:00 PM

Showers And Thunderstorms Likely
Winds: 5 mph S
79°

Sat, 10:00 PM

Showers And Thunderstorms Likely
Winds: 5 mph S
77°

Sat, 11:00 PM

Showers And Thunderstorms Likely
Winds: 5 mph S
76°

Sun, 12:00 AM

Chance Showers And Thunderstorms
Winds: 5 mph SW
76°

Sun, 01:00 AM

Chance Showers And Thunderstorms
Winds: 3 mph SW
75°

Sun, 02:00 AM

Chance Showers And Thunderstorms
Winds: 5 mph W
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 SW
74°
Winds: 2 mph E
Mostly cloudy, with a low around 71. East wind around 2 mph.
Winds: 1 to 7 mph S
A slight chance of showers and thunderstorms between 11am and 2pm, then showers and thunderstorms between 2pm and 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 88. South wind 1 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Winds: 6 mph S
Showers and thunderstorms likely before 8pm, then showers and thunderstorms likely between 8pm and midnight, 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 13 mph W
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 89. West wind 6 to 13 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
Winds: 5 to 12 mph NW
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and 2am. Mostly cloudy, with a low around 71. Northwest wind 5 to 12 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Winds: 5 to 10 mph NW
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Winds: 1 to 9 mph N
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 62.
Winds: 1 to 5 mph NE
Sunny, with a high near 83.
Winds: 1 to 5 mph SW
Mostly clear, with a low around 64.
Winds: 6 to 13 mph SW
A chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 40%.
Winds: 8 to 12 mph NW
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Winds: 10 mph N
A chance of rain showers. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Winds: 5 to 10 mph NE
A slight chance of rain showers before 8pm. Mostly cloudy, with a low around 60.
Winds: 5 to 9 mph NE
Mostly sunny, with a high near 78.

Nearshore Marine Forecast

National Weather Service Northern Indiana

For waters within five nautical miles of shore on Lake Michigan TODAY.Southeast winds 5 to 10 knots. Showers with a chance of thunderstorms. Waves 2 feet or less. .TONIGHT.South winds 10 knots or less becoming southwest. A chance of showers with a slight chance of thunderstorms. Waves 1 foot or less. .SUNDAY.Southwest winds 5 to 10 knots becoming northwest. Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Waves 1 foot or less. .SUNDAY NIGHT.Northwest winds 5 to 10 knots becoming north. A slight chance of showers and thunderstorms in the evening. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. The water temperature at St. Joseph is 72 degrees and at Michigan City is 63 degrees.

Oilrig
NWS
Buoy
Fixed Station
USGS
Ship
Other