Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

Coastal Waters Forecast for St. Lawrence River above Ogdensburg NY (SLZ022) (Text-Only)
NWS Forecast for: St. Lawrence River above Ogdensburg NY (SLZ022)
Issued by: National Weather Service Buffalo, NY
Last Update: 1004 PM EDT Sun Aug 9 2026


Rest Of Tonight: Southwest winds 10 knots or less becoming south. Partly cloudy late this evening, then becoming mostly cloudy.

Monday: South winds 5 to 10 knots becoming southwest. A chance of showers early, then showers likely late in the morning. Showers with a chance of thunderstorms in the afternoon.

Monday Night: Southwest winds 10 knots or less becoming west. Showers likely with a chance of thunderstorms in the evening, then a chance of showers overnight.

Tuesday: West winds 10 knots or less. Partly to mostly sunny.

Tuesday Night: Southwest winds 5 to 10 knots becoming light and variable. Partly cloudy.

Wednesday: Southwest winds less than 10 knots. A chance of showers during the day, then showers likely with a chance of thunderstorms wednesday night.

Thursday: West winds 10 knots or less. Showers likely with a chance of thunderstorms.

Friday: Northwest winds 5 to 10 knots becoming light and variable. Becoming mainly clear.

winds and waves higher in and near thunderstorms.







Zone Forecast: St. Lawrence River above Ogdensburg NY (SLZ022)

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