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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 >

Current conditions at

Griffiss International Airport (KRME)

Lat: 43.23°NLon: 75.4°WElev: 505ft.

Fair

66°F

19°C

Humidity 84%
Wind Speed Calm
Barometer 29.94 in (1013.5 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 17 Aug 7:53 am EDT
Extended Forecast for

Port Leyden NY

  • Today

    Today: A chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 81. Light and variable wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 45. North wind 5 to 7 mph.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 76. Northeast wind 3 to 5 mph.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers. Mostly cloudy, with a high near 74. Southeast wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 74 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 53. Light southeast wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 73. Southeast wind around 6 mph. Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 81. Light and variable wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Partly cloudy, with a low around 45. North wind 5 to 7 mph.
Monday
Sunny, with a high near 76. Northeast wind 3 to 5 mph.
Monday Night
Partly cloudy, with a low around 48. Calm wind.
Tuesday
A slight chance of showers. Mostly cloudy, with a high near 74. Southeast wind 3 to 6 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 53. Light southeast wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 73. Southeast wind around 6 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 55.
Saturday
Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port Leyden NY
 43.59°N 75.36°W (Elev. 896 ft)
Last Update:
7:36 am EDT Aug 17, 2025
Forecast Valid:
8am EDT Aug 17, 2025-6pm EDT Aug 23, 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