Great Miami River from Sidney to Hamilton, OH
07/20/2026 04:00 AM
65°F
TEMPERATURE
Winds 3 mph NE
Patchy Smoke
Patchy smoke. Clear, with a low around 63. Northeast wind around 3 mph.

Alerts

You have (5) alert(s). Tap to see details.

Air Quality Alert

Unknown
Air Quality Alert issued July 20 at 1:20AM EDT by NWS Wilmington OH
NWS Wilmington OH
Category Certainty Severity
Met Unknown Unknown
Status Urgency Category
Actual Unknown Met
Effective Ends Expires
07/20/2026 01:20 AM 07/20/2026 04:27 AM 07/20/2026 09:15 PM 
The Miami Valley Regional Planning Commission and the Regional Air
Pollution Control Agency have issued an Air Quality Alert for Clark,
Darke, Greene, Miami, Montgomery, Preble, and Shelby counties in the
Miami Valley Region, through midnight EDT tonight.

Fine particulate levels are expected to be in the Unhealthy for
Sensitive Groups range. Active children and adults, and people with
respiratory disease, such as asthma should limit prolonged outdoor
exposure.

For additional actions and information, visit miamivalleyair.org or
call 937-223-6323

Air Quality Alert

Unknown
Air Quality Alert issued July 19 at 2:09PM EDT by NWS Wilmington OH
NWS Wilmington OH
Category Certainty Severity
Met Unknown Unknown
Status Urgency Category
Actual Unknown Met
Effective Ends Expires
07/19/2026 02:09 PM 07/20/2026 04:27 AM 07/20/2026 09:15 PM 
The Miami Valley Regional Planning Commission and the Regional Air
Pollution Control Agency have issued an Air Quality Alert for Clark,
Darke, Greene, Miami, Montgomery, Preble, and Shelby counties in the
Miami Valley Region, from midnight tonight to midnight EDT Monday
night.

Fine particulate levels are expected to be in the Unhealthy for
Sensitive Groups range. Active children and adults, and people with
respiratory disease, such as asthma should limit prolonged outdoor
exposure.

For additional actions and information, visit miamivalleyair.org or
call 937-223-6323

Air Quality Alert

Unknown
Air Quality Alert issued July 19 at 1:52PM EDT by NWS Wilmington OH
NWS Wilmington OH
Category Certainty Severity
Met Unknown Unknown
Status Urgency Category
Actual Unknown Met
Effective Ends Expires
07/19/2026 01:52 PM 07/20/2026 04:27 AM 07/20/2026 09:15 PM 
The Miami Valley Regional Planning Commission and the Regional Air
Pollution Control Agency have issued an Air Quality Alert for Clark,
Darke, Greene, Miami, Montgomery, Preble, and Shelby counties in the
Miami Valley Region, from midnight tonight to midnight EDT Monday
night.

Fine particulate levels are expected to be in the Unhealthy for
Sensitive Groups range. Active children and adults, and people with
respiratory disease, such as asthma should limit prolonged outdoor
exposure.

For additional actions and information, visit miamivalleyair.org or
call 937-223-6323

Air Quality Alert

Unknown
Air Quality Alert issued July 19 at 12:05AM EDT by NWS Wilmington OH
NWS Wilmington OH
Category Certainty Severity
Met Unknown Unknown
Status Urgency Category
Actual Unknown Met
Effective Ends Expires
07/19/2026 12:05 AM 07/20/2026 04:27 AM 07/21/2026 12:00 AM 
The Miami Valley Regional Planning Commission and the Regional Air
Pollution Control Agency have issued an Air Quality Alert for Clark,
Darke, Greene, Miami, Montgomery, Preble, and Shelby counties in the
Miami Valley Region, through midnight EDT Monday night.

Fine particulate levels are expected to be in the Unhealthy for
Sensitive Groups range. Active children and adults, and people with
respiratory disease, such as asthma should limit prolonged outdoor
exposure.

For additional actions and information, visit miamivalleyair.org or
call 937-223-6323

Air Quality Alert

Unknown
Air Quality Alert issued July 18 at 1:03PM EDT by NWS Wilmington OH
NWS Wilmington OH
Category Certainty Severity
Met Unknown Unknown
Status Urgency Category
Actual Unknown Met
Effective Ends Expires
07/18/2026 01:03 PM 07/20/2026 04:27 AM 07/21/2026 12:15 AM 
The Miami Valley Regional Planning Commission and the Regional Air
Pollution Control Agency have issued an Air Quality Alert for Clark,
Darke, Greene, Miami, Montgomery, Preble, and Shelby counties in the
Miami Valley Region, from midnight tonight to midnight EDT Monday
night.

Fine particulate levels are expected to be in the Unhealthy for
Sensitive Groups range. Active children and adults, and people with
respiratory disease, such as asthma should limit prolonged outdoor
exposure.

For additional actions and information, visit miamivalleyair.org or
call 937-223-6323
Moonrise
02:30 PM
Moonset
12:59 AM
Sunrise
06:24 AM
Moon Phase
Waxing crescent
Sunset
09:01 PM

Hourly Forecast

Mon, 04:00 AM

Patchy Smoke
Winds: 3 mph NE
65°

Mon, 05:00 AM

Patchy Smoke
Winds: 3 mph NE
64°

Mon, 06:00 AM

Patchy Smoke
Winds: 3 mph NE
63°

Mon, 07:00 AM

Patchy Smoke
Winds: 3 mph E
63°

Mon, 08:00 AM

Patchy Smoke
Winds: 3 mph E
65°

Mon, 09:00 AM

Patchy Smoke
Winds: 3 mph SE
69°

Mon, 10:00 AM

Patchy Smoke
Winds: 5 mph SE
74°

Mon, 11:00 AM

Patchy Smoke
Winds: 5 mph SE
78°

Mon, 12:00 PM

Patchy Smoke
Winds: 5 mph S
80°

Mon, 01:00 PM

Patchy Smoke
Winds: 3 mph S
83°

Mon, 02:00 PM

Patchy Smoke
Winds: 5 mph S
84°

Mon, 03:00 PM

Patchy Smoke
Winds: 3 mph SW
86°

Mon, 04:00 PM

Patchy Smoke
Winds: 5 mph SW
86°

Mon, 05:00 PM

Mostly Sunny
Winds: 5 mph SW
86°

Mon, 06:00 PM

Partly Cloudy
Winds: 5 mph W
87°

Mon, 07:00 PM

Partly Cloudy
Winds: 3 mph SW
86°

Mon, 08:00 PM

Mostly Clear
Winds: 2 mph SW
84°

Mon, 09:00 PM

Mostly Clear
Winds: 1 mph SW
80°

Mon, 10:00 PM

Mostly Clear
Winds: 2 mph S
77°

Mon, 11:00 PM

Partly Cloudy
Winds: 2 mph S
75°

Tue, 12:00 AM

Partly Cloudy
Winds: 2 mph S
75°

Tue, 01:00 AM

Partly Cloudy
Winds: 3 mph S
73°

Tue, 02:00 AM

Partly Cloudy
Winds: 5 mph SW
73°

Tue, 03:00 AM

Mostly Cloudy
Winds: 5 mph SW
73°

Overnight

Patchy Smoke
63°
Winds: 3 mph NE
Patchy smoke. Clear, with a low around 63. Northeast wind around 3 mph.

Monday

Patchy Smoke
88°
Winds: 5 mph S
Patchy smoke before 5pm. Sunny, with a high near 88. South wind around 5 mph.

Monday Night

Partly Cloudy
71°
Winds: 1 to 7 mph SW
Partly cloudy, with a low around 71. Southwest wind 1 to 7 mph. New rainfall amounts less than a tenth of an inch possible.

Tuesday

Chance Showers And Thunderstorms
88°
Winds: 8 to 15 mph SW
A chance of showers and thunderstorms before 8am, then showers and thunderstorms between 8am and 11am, then a chance of showers and thunderstorms between 11am and 3pm, then showers and thunderstorms. Partly sunny, with a high near 88. Southwest wind 8 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Tuesday Night

Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
65°
Winds: 7 to 14 mph NW
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 2am. Partly cloudy, with a low around 65. Northwest wind 7 to 14 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

Wednesday

Sunny
77°
Winds: 12 mph N
Sunny, with a high near 77.

Wednesday Night

Mostly Clear
57°
Winds: 3 to 10 mph N
Mostly clear, with a low around 57.

Thursday

Sunny
80°
Winds: 3 to 7 mph NE
Sunny, with a high near 80.

Thursday Night

Mostly Clear
59°
Winds: 2 to 6 mph NE
Mostly clear, with a low around 59.

Friday

Mostly Sunny
82°
Winds: 2 to 6 mph NE
Mostly sunny, with a high near 82.

Friday Night

Partly Cloudy
62°
Winds: 2 to 6 mph NE
Partly cloudy, with a low around 62.

Saturday

Sunny
86°
Winds: 2 to 6 mph NE
Sunny, with a high near 86.

Saturday Night

Mostly Clear
66°
Winds: 1 to 6 mph NE
Mostly clear, with a low around 66.

Sunday

Sunny
90°
Winds: 1 to 8 mph SW
Sunny, with a high near 90.

Nearshore Marine Forecast

National Weather Service Northern Indiana

For waters within five nautical miles of shore on Lake Michigan OVERNIGHT.Northeast winds less than 10 knots becoming southeast. Patchy smoke. Waves around 1 foot. .MONDAY.South winds 5 to 10 knots becoming southwest. Patchy smoke. Waves 1 foot or less. .MONDAY NIGHT.Southwest winds 10 to 20 knots increasing to 15 to 25 knots. Gusts up to 30 knots. Patchy smoke in the evening. A chance of showers and thunderstorms in the evening, then showers with a chance of thunderstorms overnight. Waves 1 to 3 feet building to 3 to 5 feet. .TUESDAY.Southwest winds 15 to 25 knots becoming northwest 10 to 15 knots. A chance of showers in the morning, then a slight chance of showers in the afternoon. Waves 3 to 5 feet. Winds and waves higher in and near thunderstorms. The water temperature at St. Joseph is 53 degrees and at Michigan City is 53 degrees.

Michigan City IN to New Buffalo MI

OVERNIGHT
Northeast winds less than 10 knots becoming southeast Patchy smoke Waves around 1 foot
MONDAY
South winds 10 knots or less Patchy smoke Waves 1 foot or less
MONDAY NIGHT
Southwest winds 10 to 20 knots increasing to 15 to 25 knots Patchy smoke in the evening A chance of showers and thunderstorms in the evening, then showers with a chance of thunderstorms overnight Waves 1 to 3 feet
TUESDAY
Southwest winds 15 to 25 knots becoming northwest 10 to 15 knots A chance of showers with a slight chance of thunderstorms in the morning, then a slight chance of showers in the afternoon Waves 2 to 4 feet
Reporting time 10:02 PM EDT Sun Jul 19 2026
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