Great Miami River from Sidney to Hamilton, OH
09/01/2026 06:00 AM
74°F
TEMPERATURE
Winds 6 mph SW
Sunny
Clear, with a low around 74. Southwest wind around 6 mph.

Alerts

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

Heat Advisory issued September 1 at 1:33AM EDT until September 3 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
09/01/2026 01:33 AM 09/03/2026 08:00 PM 09/01/2026 10:00 AM
* WHAT...Heat index values up to 104 expected.

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

* WHEN...From 2 PM this afternoon to 8 PM EDT Thursday.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
                                            
Moonrise
11:11 PM
Moonset
12:58 PM
Sunrise
07:04 AM
Moon Phase
Waning gibbous
Sunset
08:09 PM

Hourly Forecast

Tue, 06:00 AM

Sunny
Winds: 6 mph SW
74°

Tue, 07:00 AM

Sunny
Winds: 7 mph SW
74°

Tue, 08:00 AM

Sunny
Winds: 7 mph SW
74°

Tue, 09:00 AM

Mostly Sunny
Winds: 7 mph SW
77°

Tue, 10:00 AM

Sunny
Winds: 9 mph SW
81°

Tue, 11:00 AM

Sunny
Winds: 9 mph SW
85°

Tue, 12:00 PM

Sunny
Winds: 10 mph SW
88°

Tue, 01:00 PM

Sunny
Winds: 10 mph SW
90°

Tue, 02:00 PM

Sunny
Winds: 10 mph W
92°

Tue, 03:00 PM

Sunny
Winds: 10 mph W
93°

Tue, 04:00 PM

Sunny
Winds: 10 mph W
94°

Tue, 05:00 PM

Sunny
Winds: 9 mph W
93°

Tue, 06:00 PM

Mostly Clear
Winds: 9 mph W
92°

Tue, 07:00 PM

Mostly Clear
Winds: 8 mph W
90°

Tue, 08:00 PM

Partly Cloudy
Winds: 6 mph SW
86°

Tue, 09:00 PM

Mostly Clear
Winds: 5 mph SW
83°

Tue, 10:00 PM

Mostly Clear
Winds: 5 mph SW
81°

Tue, 11:00 PM

Mostly Clear
Winds: 5 mph SW
80°

Wed, 12:00 AM

Clear
Winds: 3 mph SW
79°

Wed, 01:00 AM

Clear
Winds: 3 mph SW
78°

Wed, 02:00 AM

Clear
Winds: 3 mph SW
77°

Wed, 03:00 AM

Mostly Clear
Winds: 3 mph SW
77°

Wed, 04:00 AM

Clear
Winds: 3 mph SW
75°

Wed, 05:00 AM

Clear
Winds: 5 mph SW
75°
Winds: 6 mph SW
Clear, with a low around 74. Southwest wind around 6 mph.
Winds: 6 to 10 mph SW
Sunny, with a high near 94. Heat index values as high as 103. Southwest wind 6 to 10 mph.
Winds: 3 to 9 mph SW
Mostly clear, with a low around 74. Heat index values as high as 101. Southwest wind 3 to 9 mph.
Winds: 3 to 10 mph SW
Sunny, with a high near 95. Heat index values as high as 103. Southwest wind 3 to 10 mph.
Winds: 3 to 9 mph SW
Mostly clear, with a low around 75. Southwest wind 3 to 9 mph.
Winds: 5 to 10 mph W
Sunny, with a high near 95.
Winds: 1 to 8 mph SW
A slight chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 75.
Winds: 1 to 7 mph W
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
Winds: 1 to 7 mph N
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Winds: 2 to 8 mph N
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 90. Chance of precipitation is 30%.
Winds: 3 to 8 mph NE
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 68.
Winds: 3 to 7 mph NE
A slight chance of rain showers after 8am. Mostly sunny, with a high near 86.
Winds: 5 to 8 mph NE
A slight chance of rain showers before 2am. Partly cloudy, with a low around 66.
Winds: 5 to 8 mph NE
Mostly sunny, with a high near 86.

Nearshore Marine Forecast

National Weather Service Northern Indiana

For waters within five nautical miles of shore on Lake Michigan TODAY.Southwest winds around 10 knots. A slight chance of showers and thunderstorms. Waves 1 foot or less. .TONIGHT.Southwest winds 10 knots or less. Mostly clear. Waves 1 foot or less. .WEDNESDAY.Southwest winds 5 to 10 knots. Sunny. Waves 1 foot or less. .WEDNESDAY NIGHT.Southwest winds 5 to 10 knots. A slight 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 73 degrees and at Michigan City is 63 degrees.

TODAY
Southwest winds around 10 knots A slight chance of showers and thunderstorms Waves 1 foot or less
TONIGHT
South winds 10 knots or less becoming southwest A slight chance of showers and thunderstorms overnight Waves 1 foot or less
WEDNESDAY
Southwest winds 5 to 10 knots Sunny Waves 1 foot or less
WEDNESDAY NIGHT
Southwest winds 5 to 10 knots A chance of showers and thunderstorms overnight Waves 1 to 2 feet
Reporting time 04:09 AM EDT Tue Sep 1 2026
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