National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Current conditions at

Dunkirk, Chautauqua County / Dunkirk Airport (KDKK)

Lat: 42.49°NLon: 79.28°WElev: 692ft.

A Few Clouds

67°F

19°C

Humidity 49%
Wind Speed W 10 mph
Barometer 29.91 in (1012.6 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 20 Jun 10:53 am EDT
Extended Forecast for

Portland NY

  • Today

    Today: Partly sunny, with a high near 73. West wind 10 to 13 mph.

    High: 73 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms, then a chance of showers after 3am. Mostly cloudy, with a low around 60. Southwest wind around 6 mph. Chance of precipitation is 30%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 76. West wind around 6 mph.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 61. Calm wind becoming southeast 5 to 7 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 61 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 76. East wind around 11 mph. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 76 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 60. North wind 6 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 60 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 77. West wind around 7 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61. West wind around 6 mph becoming calm in the evening.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 73. West wind 10 to 13 mph.
Tonight
A slight chance of showers and thunderstorms, then a chance of showers after 3am. Mostly cloudy, with a low around 60. Southwest wind around 6 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 76. West wind around 6 mph.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 61. Calm wind becoming southeast 5 to 7 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 76. East wind around 11 mph. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 60. North wind 6 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Sunny, with a high near 77. West wind around 7 mph.
Tuesday Night
Partly cloudy, with a low around 61. West wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 78.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portland NY
 42.37°N 79.46°W (Elev. 853 ft)
Last Update:
9:57 am EDT Jun 20, 2026
Forecast Valid:
11am EDT Jun 20, 2026-6pm EDT Jun 26, 2026
 
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