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

Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Dunkirk, Chautauqua County / Dunkirk Airport (KDKK)

Lat: 42.49°NLon: 79.28°WElev: 692ft.

Fair

58°F

14°C

Humidity 100%
Wind Speed S 5 mph
Barometer 29.95 in (1013.8 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 18 Aug 2:53 am EDT
Extended Forecast for

Fredonia NY

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly clear, with a low around 62. Light east wind.

    Low: 62 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, sunny, with a high near 77. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 77 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 4am. Partly cloudy, with a low around 62. South wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms, mainly before 2pm. High near 76. West wind 9 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers

  • Wednesday Night

    Wednesday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 58. West wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 77. Light and variable wind becoming north around 6 mph in the morning.

    High: 77 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. Light and variable wind.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79. Light and variable wind becoming east around 5 mph in the morning.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly clear, with a low around 62. Light east wind.
Tuesday
Patchy fog before 9am. Otherwise, sunny, with a high near 77. Calm wind becoming west 5 to 8 mph in the afternoon.
Tuesday Night
A chance of showers, mainly after 4am. Partly cloudy, with a low around 62. South wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers and thunderstorms, mainly before 2pm. High near 76. West wind 9 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 58. West wind around 5 mph becoming calm in the evening.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 77. Light and variable wind becoming north around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 57. Light and variable wind.
Friday
Sunny, with a high near 79. Light and variable wind becoming east around 5 mph in the morning.
Friday Night
Mostly clear, with a low around 60.
Saturday
A chance of showers after 2pm. Mostly sunny, with a high near 79. Chance of precipitation is 40%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
Monday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Fredonia NY
 42.45°N 79.33°W (Elev. 719 ft)
Last Update:
2:22 am EDT Aug 18, 2026
Forecast Valid:
3am EDT Aug 18, 2026-6pm EDT Aug 24, 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