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Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Syracuse, Syracuse Hancock International Airport (KSYR)

Lat: 43.11°NLon: 76.1°WElev: 420ft.

Mostly Cloudy

69°F

21°C

Humidity 73%
Wind Speed N 8 mph
Barometer 29.99 in (1015.0 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 17 Aug 6:54 pm EDT
Extended Forecast for

Williamstown NY

  • Tonight

    Tonight: Partly cloudy, with a low around 48. North wind 5 to 7 mph, with gusts as high as 26 mph.

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 75. Northeast wind 3 to 5 mph.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51. Light and variable wind.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 76. Southeast wind around 6 mph.

    High: 76 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 56. Southeast wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 73. Southeast wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 56. Light east wind. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 78. North wind 3 to 6 mph.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 48. North wind 5 to 7 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 75. Northeast wind 3 to 5 mph.
Monday Night
Partly cloudy, with a low around 51. Light and variable wind.
Tuesday
Partly sunny, with a high near 76. Southeast wind around 6 mph.
Tuesday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 56. Southeast wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 73. Southeast wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 56. Light east wind. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 78. North wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 58.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Sunday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Williamstown NY
 43.41°N 75.87°W (Elev. 597 ft)
Last Update:
7:36 pm EDT Aug 17, 2025
Forecast Valid:
7pm EDT Aug 17, 2025-6pm EDT Aug 24, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation