Great Miami River from Sidney to Hamilton, OH
09/03/2026 11:00 AM
88°F
TEMPERATURE
Winds 6 mph W
Sunny
Sunny, with a high near 95. Heat index values as high as 104. West wind 5 to 9 mph. New rainfall amounts less than a tenth of an inch possible.

Alerts

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

Heat Advisory issued September 3 at 12:52AM 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 12:52 AM 09/04/2026 08:00 PM 09/03/2026 05:00 PM
* WHAT...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

Thu, 11:00 AM

Sunny
Winds: 6 mph W
88°

Thu, 12:00 PM

Sunny
Winds: 7 mph W
90°

Thu, 01:00 PM

Sunny
Winds: 8 mph W
92°

Thu, 02:00 PM

Sunny
Winds: 9 mph W
93°

Thu, 03:00 PM

Sunny
Winds: 9 mph W
94°

Thu, 04:00 PM

Sunny
Winds: 9 mph W
95°

Thu, 05:00 PM

Sunny
Winds: 8 mph W
93°

Thu, 06:00 PM

Mostly Clear
Winds: 7 mph W
93°

Thu, 07:00 PM

Mostly Clear
Winds: 6 mph W
91°

Thu, 08:00 PM

Mostly Clear
Winds: 3 mph W
86°

Thu, 09:00 PM

Partly Cloudy
Winds: 2 mph W
83°

Thu, 10:00 PM

Mostly Clear
Winds: 1 mph SW
81°

Thu, 11:00 PM

Mostly Clear
Winds: 1 mph SW
80°

Fri, 12:00 AM

Mostly Clear
Winds: 1 mph S
79°

Fri, 01:00 AM

Mostly Clear
Winds: 1 mph S
78°

Fri, 02:00 AM

Clear
Winds: 2 mph S
77°

Fri, 03:00 AM

Mostly Clear
Winds: 2 mph S
77°

Fri, 04:00 AM

Mostly Clear
Winds: 2 mph SW
76°

Fri, 05:00 AM

Mostly Clear
Winds: 3 mph SW
76°

Fri, 06:00 AM

Sunny
Winds: 3 mph SW
75°

Fri, 07:00 AM

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

Fri, 08:00 AM

Slight Chance Showers And Thunderstorms
Winds: 3 mph SW
74°

Fri, 09:00 AM

Slight Chance Showers And Thunderstorms
Winds: 3 mph W
78°

Fri, 10:00 AM

Sunny
Winds: 5 mph SW
81°
Winds: 5 to 9 mph W
Sunny, with a high near 95. Heat index values as high as 104. West wind 5 to 9 mph. New rainfall amounts less than a tenth of an inch possible.
Winds: 1 to 7 mph SW
Mostly clear, with a low around 74. Heat index values as high as 102. Southwest wind 1 to 7 mph.
Winds: 3 to 9 mph SW
A slight chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 94. Heat index values as high as 104. Southwest wind 3 to 9 mph. Chance of precipitation is 20%.
Winds: 1 to 8 mph NW
A slight chance of rain showers before 8pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 73. Heat index values as high as 102. Northwest wind 1 to 8 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Winds: 2 to 9 mph N
A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 88. North wind 2 to 9 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Winds: 6 to 10 mph NE
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Winds: 6 to 10 mph NE
Sunny, with a high near 83.
Winds: 5 to 10 mph NE
Mostly clear, with a low around 61.
Winds: 7 mph NE
Sunny, with a high near 86.
Winds: 3 to 7 mph E
Partly cloudy, with a low around 65.
Winds: 3 to 7 mph S
Mostly sunny, with a high near 88.
Winds: 8 mph S
Partly cloudy, with a low around 70.
Winds: 8 to 14 mph SW
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91.
Winds: 8 to 12 mph SW
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 70.

Nearshore Marine Forecast

National Weather Service Northern Indiana

For waters within five nautical miles of shore on Lake Michigan THIS AFTERNOON.Southwest winds 10 knots or less. A slight chance of showers and thunderstorms late. Waves 1 foot or less. .TONIGHT.Northeast winds 10 knots or less becoming south. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms overnight. Waves 1 foot or less. .FRIDAY.South winds 10 knots or less becoming northwest. A chance of showers and thunderstorms in the morning. Waves 1 foot or less. .FRIDAY NIGHT.North winds 10 knots or less becoming east. A slight chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms overnight. 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.

Oilrig
NWS
Buoy
Fixed Station
USGS
Ship
Other