Great Miami River from Sidney to Hamilton, OH
09/04/2026 12:00 AM
79°F
TEMPERATURE
Winds 2 mph N
Mostly Clear
Mostly clear, with a low around 73. Southwest wind around 2 mph.

Alerts

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

Heat Advisory issued September 3 at 8:01PM EDT until September 4 at 8:00PM EDT by NWS Wilmington OH
NWS Wilmington OH
Category Certainty Severity
Met Likely Moderate
Status Urgency Category
Actual Expected Met
Effective Ends Expires
09/03/2026 08:01 PM 09/04/2026 08:00 PM 09/04/2026 04:15 AM
* WHAT...Afternoon heat index values of 100 to 105 expected.

* WHERE...Portions of east central and southeast Indiana, northeast
and northern Kentucky, and central, south central, southwest, and
west central Ohio.

* WHEN...Until 8 PM EDT Friday.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
                                            
Moonrise
12:33 AM
Moonset
03:26 PM
Sunrise
07:06 AM
Moon Phase
Waning gibbous
Sunset
08:05 PM

Hourly Forecast

Fri, 12:00 AM

Mostly Clear
Winds: 2 mph N
79°

Fri, 01:00 AM

Mostly Clear
Winds: 2 mph S
79°

Fri, 02:00 AM

Mostly Clear
Winds: 2 mph S
78°

Fri, 03:00 AM

Mostly Clear
Winds: 2 mph SW
77°

Fri, 04:00 AM

Clear
Winds: 2 mph S
76°

Fri, 05:00 AM

Clear
Winds: 2 mph S
75°

Fri, 06:00 AM

Sunny
Winds: 2 mph SW
75°

Fri, 07:00 AM

Sunny
Winds: 2 mph SW
75°

Fri, 08:00 AM

Sunny
Winds: 3 mph SW
74°

Fri, 09:00 AM

Sunny
Winds: 3 mph SW
78°

Fri, 10:00 AM

Mostly Sunny
Winds: 5 mph SW
82°

Fri, 11:00 AM

Mostly Sunny
Winds: 6 mph W
86°

Fri, 12:00 PM

Sunny
Winds: 6 mph W
89°

Fri, 01:00 PM

Mostly Sunny
Winds: 7 mph NW
91°

Fri, 02:00 PM

Sunny
Winds: 8 mph W
92°

Fri, 03:00 PM

Sunny
Winds: 8 mph W
94°

Fri, 04:00 PM

Sunny
Winds: 8 mph W
94°

Fri, 05:00 PM

Sunny
Winds: 8 mph W
93°

Fri, 06:00 PM

Mostly Clear
Winds: 7 mph W
92°

Fri, 07:00 PM

Mostly Clear
Winds: 6 mph W
91°

Fri, 08:00 PM

Mostly Clear
Winds: 5 mph W
86°

Fri, 09:00 PM

Mostly Clear
Winds: 2 mph W
83°

Fri, 10:00 PM

Mostly Clear
Winds: 2 mph W
82°

Fri, 11:00 PM

Mostly Clear
Winds: 2 mph W
80°
Winds: 2 mph SW
Mostly clear, with a low around 73. Southwest wind around 2 mph.
Winds: 2 to 8 mph W
A slight chance of rain showers between 8am and 4pm. Sunny, with a high near 94. Heat index values as high as 104. West wind 2 to 8 mph. Chance of precipitation is 20%.
Winds: 2 to 7 mph W
A chance of showers and thunderstorms after 2am. Mostly clear, with a low around 72. Heat index values as high as 102. West wind 2 to 7 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Winds: 3 to 8 mph NW
A chance of showers and thunderstorms before 8am, then showers and thunderstorms likely. Partly sunny, with a high near 88. Northwest wind 3 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Winds: 6 to 9 mph NE
Showers and thunderstorms likely before 8pm. Partly cloudy, with a low around 63. Northeast wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Winds: 6 to 12 mph NE
Sunny, with a high near 83.
Winds: 6 to 12 mph NE
Mostly clear, with a low around 60.
Winds: 8 mph E
Sunny, with a high near 85.
Winds: 3 to 8 mph E
Partly cloudy, with a low around 64.
Winds: 3 to 7 mph S
Mostly sunny, with a high near 88.
Winds: 5 to 8 mph S
Partly cloudy, with a low around 70.
Winds: 9 to 14 mph SW
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.
Winds: 12 mph SW
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Winds: 13 mph W
A chance of rain showers. Partly sunny, with a high near 88.

Nearshore Marine Forecast

National Weather Service Northern Indiana

For waters within five nautical miles of shore on Lake Michigan OVERNIGHT.Southeast winds 5 to 10 knots becoming south. A slight chance of showers and thunderstorms late. Waves 1 foot or less. .FRIDAY.South winds 5 to 10 knots becoming northwest. A slight chance of showers and thunderstorms in the morning. Waves 1 foot or less. .FRIDAY NIGHT.North winds 10 knots or less. A chance of showers and thunderstorms. Waves 1 foot or less. .SATURDAY.North winds 10 knots or less. Showers likely with a 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. Winds and waves higher in and near thunderstorms. The water temperature at St. Joseph is 70 degrees and at Michigan City is 56 degrees.

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