Great Miami River from Sidney to Hamilton, OH
09/01/2026 08:00 PM
86°F
TEMPERATURE
Winds 6 mph SW
Partly Cloudy
Mostly clear, with a low around 74. Southwest wind 3 to 9 mph.

Alerts

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

Heat Advisory

Moderate
Heat Advisory issued September 1 at 2:23PM 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 02:23 PM 09/03/2026 08:00 PM 09/02/2026 04:00 AM 
* 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 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
08:08 PM

Hourly Forecast

Tue, 08:00 PM

Partly Cloudy
Winds: 6 mph SW
86°

Tue, 09:00 PM

Clear
Winds: 5 mph SW
83°

Tue, 10:00 PM

Clear
Winds: 5 mph SW
82°

Tue, 11:00 PM

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
77°

Wed, 02:00 AM

Clear
Winds: 3 mph SW
77°

Wed, 03:00 AM

Clear
Winds: 3 mph SW
76°

Wed, 04:00 AM

Mostly Clear
Winds: 3 mph SW
75°

Wed, 05:00 AM

Clear
Winds: 3 mph SW
75°

Wed, 06:00 AM

Sunny
Winds: 3 mph SW
74°

Wed, 07:00 AM

Sunny
Winds: 3 mph SW
74°

Wed, 08:00 AM

Sunny
Winds: 3 mph SW
75°

Wed, 09:00 AM

Sunny
Winds: 3 mph SW
79°

Wed, 10:00 AM

Sunny
Winds: 5 mph SW
83°

Wed, 11:00 AM

Sunny
Winds: 6 mph SW
88°

Wed, 12:00 PM

Sunny
Winds: 7 mph SW
91°

Wed, 01:00 PM

Sunny
Winds: 8 mph SW
93°

Wed, 02:00 PM

Sunny
Winds: 9 mph SW
94°

Wed, 03:00 PM

Sunny
Winds: 9 mph SW
95°

Wed, 04:00 PM

Sunny
Winds: 9 mph SW
95°

Wed, 05:00 PM

Sunny
Winds: 9 mph SW
94°

Wed, 06:00 PM

Mostly Clear
Winds: 8 mph SW
93°

Wed, 07:00 PM

Mostly Clear
Winds: 6 mph SW
91°

Tonight

Mostly Clear
74°
Winds: 3 to 9 mph SW
Mostly clear, with a low around 74. Southwest wind 3 to 9 mph.

Wednesday

Sunny
95°
Winds: 3 to 9 mph SW
Sunny, with a high near 95. Heat index values as high as 105. Southwest wind 3 to 9 mph.

Wednesday Night

Mostly Clear
76°
Winds: 3 to 8 mph SW
Mostly clear, with a low around 76. Heat index values as high as 102. Southwest wind 3 to 8 mph.

Thursday

Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
91°
Winds: 5 to 9 mph SW
A slight chance of rain showers between 8am and 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Heat index values as high as 100. Southwest wind 5 to 9 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Thursday Night

Chance Showers And Thunderstorms
75°
Winds: 1 to 8 mph W
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 75. West wind 1 to 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Friday

Chance Showers And Thunderstorms
92°
Winds: 2 to 7 mph W
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 92. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Friday Night

Chance Showers And Thunderstorms
71°
Winds: 1 to 6 mph N
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.

Saturday

Chance Showers And Thunderstorms
88°
Winds: 2 to 8 mph NE
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. Chance of precipitation is 40%.

Saturday Night

Chance Showers And Thunderstorms
66°
Winds: 5 to 8 mph NE
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 66. Chance of precipitation is 40%.

Sunday

Mostly Sunny then Slight Chance Showers And Thunderstorms
85°
Winds: 5 to 8 mph NE
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85.

Sunday Night

Slight Chance Showers And Thunderstorms
64°
Winds: 3 to 8 mph NE
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 64.

Labor Day

Mostly Sunny
84°
Winds: 3 to 8 mph NE
Mostly sunny, with a high near 84.

Monday Night

Partly Cloudy
63°
Winds: 8 mph NE
Partly cloudy, with a low around 63.

Tuesday

Mostly Sunny
83°
Winds: 7 mph SW
Mostly sunny, with a high near 83.

Nearshore Marine Forecast

National Weather Service Northern Indiana

For waters within five nautical miles of shore on Lake Michigan TONIGHT.Southwest winds 10 knots or less. Partly cloudy. 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. Mostly clear. Waves 1 foot or less. .THURSDAY.Southwest winds 5 to 10 knots becoming light and variable. Sunny. Waves 1 foot or less. The water temperature at St. Joseph is 73 degrees and at Michigan City is 59 degrees.

New Buffalo MI to St Joseph MI

TONIGHT
South winds 10 knots or less becoming southwest Partly cloudy 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 Mostly clear Waves 1 to 2 feet
THURSDAY
South winds 10 knots or less becoming northwest A slight chance of showers and thunderstorms Waves 1 foot or less
Reporting time 03:31 PM EDT Tue Sep 1 2026
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