Severe Thunderstorms, Heavy Rainfall and Dangerous Heat
Severe thunderstorms are expected today and Friday from the upper Midwest, central Great Lakes into the Ohio and mid-Mississippi Valley's. In addition, heavy rainfall threat increases on Friday across the Ohio Valley. Meanwhile, early summer-like heat wave across portions of southern Texas with new daily records are forecast today and through the weekend; The heat spreads across the Gulf States. Read More >
Hazardous Weather Conditions
Last Update: 402 PM EDT Thu May 15 2025
For More Weather Information:
4NM WNW Olcott NY
Marine Zone Forecast
Tonight
East winds 10 knots or less becoming southeast. Patchy fog after midnight. Showers likely with a chance of thunderstorms late. Waves 1 foot or less.
Friday
Southeast winds 5 to 10 knots becoming southwest. Showers with a chance of thunderstorms in the morning. Waves 1 foot or less.
Friday Night
Southwest winds 5 to 15 knots becoming south. Showers overnight. Waves 1 foot or less.
Saturday
South winds 10 to 15 knots becoming southwest 15 to 20 knots. Showers with a chance of thunderstorms. Waves 1 to 3 feet building to 3 to 5 feet. Waves occasionally around 6 feet.
Saturday Night
West winds 15 to 20 knots. A chance of showers. Waves 3 to 5 feet subsiding to 2 to 4 feet. Waves occasionally around 6 feet.
Sunday
West winds 15 to 20 knots becoming northwest 10 to 15 knots. Mostly cloudy. Waves 3 to 5 feet subsiding to 2 to 4 feet. Waves occasionally around 6 feet.
Monday
Northwest winds 10 to 15 knots becoming north. Becoming mainly clear. Waves 2 to 3 feet.
Tuesday
North winds 5 to 15 knots becoming northeast. Mainly clear, then becoming partly cloudy. Waves 2 feet or less.
winds and waves higher in and near thunderstorms.
winds and waves higher in and near thunderstorms.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaRADAR & SATELLITE IMAGES
