Areas of Extreme Heat and Fire Weather in the Northwest U.S.; Heavy Rain in the West and South-central U.S.

Extreme heat will continue in the interior Northwest into midweek before finally waning. Hot temperatures, dry, gusty winds, and isolated dry thunderstorms will bring critical fire weather. Heavy rain and thunderstorms are expected across portions of the Great Basin, Rockies, and central/southern Plains. An atmospheric river will bring heavy rain and strong winds to southwest Alaska. Read More >

Current conditions at

Dunkirk, Chautauqua County / Dunkirk Airport (KDKK)

Lat: 42.49°NLon: 79.28°WElev: 692ft.

Mostly Cloudy

58°F

14°C

Humidity 90%
Wind Speed SW 3 mph
Barometer 30.05 in (1017.3 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 26 Aug 7:53 am EDT
Extended Forecast for

Derby NY

  • Today

    Today: A chance of showers, with thunderstorms also possible after 3pm.  Partly sunny, with a high near 68. West wind 8 to 18 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 51. Northwest wind 9 to 13 mph.  Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 69. West wind 3 to 8 mph.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 54. Southwest wind around 6 mph.

    Low: 54 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 71. Southwest wind 8 to 11 mph, with gusts as high as 24 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 50. West wind 5 to 7 mph becoming light and variable  after midnight.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers before 8am.  Partly sunny, with a high near 64. Northwest wind 5 to 7 mph.  Chance of precipitation is 30%.

    High: 64 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48. Light northwest wind.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 68. West wind 8 to 18 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Northwest wind 9 to 13 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Sunny, with a high near 69. West wind 3 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 54. Southwest wind around 6 mph.
Thursday
A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 71. Southwest wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. West wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A chance of showers before 8am. Partly sunny, with a high near 64. Northwest wind 5 to 7 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 48. Light northwest wind.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 52.
Labor Day
Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Derby NY
 42.68°N 78.96°W (Elev. 709 ft)
7:36 am EDT Aug 26, 2025
8am EDT Aug 26, 2025-6pm EDT Sep 1, 2025
 
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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