Great Miami River from Sidney to Hamilton, OH
08/31/2026 06:00 PM
91°F
TEMPERATURE
Winds 8 mph W
Partly Cloudy
Mostly sunny, with a high near 93. Heat index values as high as 101. West wind around 10 mph.

Alerts

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

Heat Advisory issued August 31 at 2:03PM EDT until September 2 at 11:00PM EDT by NWS Wilmington OH
NWS Wilmington OH
Category Certainty Severity
Met Likely Moderate
Status Urgency Category
Actual Expected Met
Effective Ends Expires
08/31/2026 02:03 PM 09/02/2026 11:00 PM 08/31/2026 10:15 PM
* WHAT...Heat index values up to 103 are 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 Tuesday to 11 PM EDT Wednesday.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
                                            
Moonrise
10:41 PM
Moonset
11:47 AM
Sunrise
07:03 AM
Moon Phase
Waning gibbous
Sunset
08:10 PM

Hourly Forecast

Mon, 06:00 PM

Partly Cloudy
Winds: 8 mph W
91°

Mon, 07:00 PM

Partly Cloudy
Winds: 6 mph SW
89°

Mon, 08:00 PM

Partly Cloudy
Winds: 5 mph SW
85°

Mon, 09:00 PM

Partly Cloudy
Winds: 3 mph SW
82°

Mon, 10:00 PM

Partly Cloudy
Winds: 3 mph SW
80°

Mon, 11:00 PM

Mostly Clear
Winds: 3 mph SW
79°

Tue, 12:00 AM

Mostly Clear
Winds: 5 mph SW
77°

Tue, 01:00 AM

Mostly Clear
Winds: 5 mph SW
77°

Tue, 02:00 AM

Mostly Clear
Winds: 5 mph SW
76°

Tue, 03:00 AM

Mostly Clear
Winds: 5 mph SW
76°

Tue, 04:00 AM

Mostly Clear
Winds: 5 mph SW
75°

Tue, 05:00 AM

Partly Cloudy
Winds: 6 mph SW
75°

Tue, 06:00 AM

Mostly Sunny
Winds: 6 mph SW
74°

Tue, 07:00 AM

Mostly Sunny
Winds: 6 mph SW
74°

Tue, 08:00 AM

Mostly Sunny
Winds: 7 mph SW
75°

Tue, 09:00 AM

Mostly Sunny
Winds: 7 mph SW
77°

Tue, 10:00 AM

Mostly Sunny
Winds: 8 mph SW
82°

Tue, 11:00 AM

Mostly Sunny
Winds: 9 mph SW
85°

Tue, 12:00 PM

Mostly Sunny
Winds: 9 mph SW
88°

Tue, 01:00 PM

Sunny
Winds: 10 mph W
91°

Tue, 02:00 PM

Sunny
Winds: 10 mph W
93°

Tue, 03:00 PM

Mostly Sunny
Winds: 10 mph W
93°

Tue, 04:00 PM

Mostly Sunny
Winds: 9 mph W
95°

Tue, 05:00 PM

Mostly Sunny
Winds: 9 mph W
93°
Winds: 10 mph W
Mostly sunny, with a high near 93. Heat index values as high as 101. West wind around 10 mph.
Winds: 3 to 8 mph SW
Mostly clear, with a low around 74. Southwest wind 3 to 8 mph.
Winds: 6 to 10 mph SW
Sunny, with a high near 95. Heat index values as high as 104. Southwest wind 6 to 10 mph.
Winds: 3 to 8 mph SW
Mostly clear, with a low around 74. Heat index values as high as 102. Southwest wind 3 to 8 mph.
Winds: 3 to 10 mph SW
Sunny, with a high near 97. Southwest wind 3 to 10 mph.
Winds: 3 to 8 mph SW
Mostly clear, with a low around 76.
Winds: 5 to 10 mph SW
Sunny, with a high near 96.
Winds: 2 to 8 mph SW
A slight chance of showers and thunderstorms after 2am. Mostly clear, with a low around 73.
Winds: 2 to 7 mph NW
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Winds: 3 to 7 mph N
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Winds: 3 to 9 mph NE
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
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 40%.
Winds: 6 to 10 mph NE
Mostly sunny, with a high near 84.
Winds: 5 to 10 mph NE
Partly cloudy, with a low around 63.

Nearshore Marine Forecast

National Weather Service Northern Indiana

For waters within five nautical miles of shore on Lake Michigan TONIGHT.South winds 5 to 10 knots becoming southwest. A chance of showers and thunderstorms early, then a slight chance of showers and thunderstorms late this evening. Waves 1 foot or less. .TUESDAY.Southwest winds 10 knots or less. A slight chance of showers and thunderstorms. Waves 1 foot or less. .TUESDAY NIGHT.Southwest winds 5 to 10 knots. Mostly cloudy in the evening, then clearing. Waves 1 foot or less. .WEDNESDAY.Southwest winds 5 to 10 knots. Sunny. 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.

TONIGHT
Southwest winds 5 to 10 knots A chance of showers and thunderstorms early, then a slight chance of showers and thunderstorms late this evening Waves 2 feet or less
TUESDAY
Southwest winds 10 knots or less Mostly sunny Waves 1 foot or less
TUESDAY NIGHT
Southwest winds 10 knots or less Mostly cloudy in the evening, then clearing Waves 1 foot or less
WEDNESDAY
Southwest winds 5 to 10 knots Sunny Waves 1 foot or less
Reporting time 04:44 PM EDT Mon Aug 31 2026
Reporting time
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