
Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest
Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >
| NWS Forecast for: St. Lawrence River above Ogdensburg NY (SLZ022) Issued by: National Weather Service Buffalo, NY Last Update: 402 AM EDT Mon Jun 29 2026 | |
| Today: Light and variable winds. Sunny. Tonight: Light and variable winds. Mainly clear in the evening, then becoming partly cloudy. Tuesday: South winds 10 knots or less becoming southwest 10 to 15 knots. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Tuesday Night: Southwest winds 5 to 10 knots. Showers likely with a chance of thunderstorms in the evening, then a chance of showers and thunderstorms overnight. Wednesday: Southwest winds 10 knots or less. A chance of showers and thunderstorms. Thursday: Southwest winds 10 knots or less. A chance of showers and thunderstorms. Friday: Southwest winds less than 10 knots. A chance of showers and thunderstorms. winds and waves higher in and near thunderstorms. | |
| Zone Forecast: St. Lawrence River above Ogdensburg NY (SLZ022) | |
Visit your local NWS office at: https://www.weather.gov/buf |