Great Miami River from Sidney to Hamilton, OH
08/31/2026 06:00 AM
71°F
TEMPERATURE
Winds 3 mph S
Partly Sunny
Mostly cloudy, with a low around 71. South wind around 3 mph.
Moonrise
10:41 PM
Moonset
11:47 AM
Sunrise
07:03 AM
Moon Phase
Waning gibbous
Sunset
08:11 PM

Hourly Forecast

Mon, 06:00 AM

Partly Sunny
Winds: 3 mph S
71°

Mon, 07:00 AM

Mostly Cloudy
Winds: 3 mph S
71°

Mon, 08:00 AM

Mostly Cloudy
Winds: 5 mph S
72°

Mon, 09:00 AM

Mostly Sunny
Winds: 5 mph SW
74°

Mon, 10:00 AM

Mostly Sunny
Winds: 6 mph SW
79°

Mon, 11:00 AM

Mostly Sunny
Winds: 7 mph SW
82°

Mon, 12:00 PM

Mostly Sunny
Winds: 8 mph SW
85°

Mon, 01:00 PM

Mostly Sunny
Winds: 10 mph W
87°

Mon, 02:00 PM

Partly Sunny
Winds: 12 mph W
90°

Mon, 03:00 PM

Mostly Sunny
Winds: 10 mph W
91°

Mon, 04:00 PM

Mostly Sunny
Winds: 10 mph W
91°

Mon, 05:00 PM

Mostly Sunny
Winds: 10 mph SW
91°

Mon, 06:00 PM

Partly Cloudy
Winds: 9 mph SW
89°

Mon, 07:00 PM

Partly Cloudy
Winds: 7 mph SW
88°

Mon, 08:00 PM

Partly Cloudy
Winds: 5 mph SW
86°

Mon, 09:00 PM

Partly Cloudy
Winds: 3 mph SW
81°

Mon, 10:00 PM

Partly Cloudy
Winds: 3 mph SW
79°

Mon, 11:00 PM

Partly Cloudy
Winds: 3 mph SW
78°

Tue, 12:00 AM

Partly Cloudy
Winds: 5 mph SW
76°

Tue, 01:00 AM

Partly Cloudy
Winds: 5 mph SW
75°

Tue, 02:00 AM

Mostly Clear
Winds: 5 mph SW
75°

Tue, 03:00 AM

Mostly Clear
Winds: 5 mph SW
75°

Tue, 04:00 AM

Mostly Clear
Winds: 5 mph SW
74°

Tue, 05:00 AM

Partly Cloudy
Winds: 6 mph SW
74°
Winds: 3 mph S
Mostly cloudy, with a low around 71. South wind around 3 mph.
Winds: 3 to 12 mph SW
Mostly sunny, with a high near 92. Southwest wind 3 to 12 mph.
Winds: 3 to 9 mph SW
Partly cloudy, with a low around 73. Southwest wind 3 to 9 mph.
Winds: 5 to 10 mph SW
Sunny, with a high near 94. Heat index values as high as 102. Southwest wind 5 to 10 mph.
Winds: 3 to 8 mph SW
Mostly clear, with a low around 73. Southwest wind 3 to 8 mph.
Winds: 5 to 10 mph SW
Sunny, with a high near 95.
Winds: 3 to 8 mph SW
Mostly clear, with a low around 75.
Winds: 5 to 10 mph W
Sunny, with a high near 95.
Winds: 2 to 8 mph W
A slight chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 72.
Winds: 2 to 8 mph NW
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Winds: 3 to 8 mph NE
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Winds: 3 to 8 mph NE
A slight chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 87.
Winds: 5 to 8 mph NE
Partly cloudy, with a low around 64.
Winds: 5 to 9 mph NE
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.South winds around 10 knots becoming southwest 10 to 20 knots. A chance of showers with a slight chance of thunderstorms this morning, then a slight chance of showers and thunderstorms this afternoon. Waves 1 foot or less. .TONIGHT.Southwest winds around 10 knots. A slight chance of showers in the evening. Waves 1 foot or less. .TUESDAY.Southwest winds 5 to 10 knots. A slight chance of showers and thunderstorms. Waves 1 foot or less. .TUESDAY NIGHT.Southwest winds 5 to 10 knots. A slight chance of showers and thunderstorms in the evening. 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
South winds 10 to 15 knots becoming southwest 10 to 20 knots A chance of showers with a slight chance of thunderstorms this morning, then a slight chance of showers and thunderstorms this afternoon Waves 1 to 2 feet
TONIGHT
Southwest winds 10 to 15 knots A slight chance of showers and thunderstorms in the evening Waves 1 to 2 feet
TUESDAY
Southwest winds 5 to 10 knots A slight chance of showers and thunderstorms Waves 2 feet or less
TUESDAY NIGHT
Southwest winds 5 to 10 knots A slight chance of showers and thunderstorms in the evening Waves 1 foot or less
Reporting time 03:50 AM EDT Mon Aug 31 2026
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