Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Current conditions at

Dunkirk, Chautauqua County / Dunkirk Airport (KDKK)

Lat: 42.49°NLon: 79.28°WElev: 692ft.

Overcast

67°F

19°C

Humidity 61%
Wind Speed SW 7 mph
Barometer 29.74 in (1006.9 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 17 Jun 5:53 pm EDT
Extended Forecast for

5 Miles NW South Dayton NY

Wind Advisory June 18, 02:00am until June 18, 08:00pm
Click here for hazard details and duration
Wind Advisory
  • Tonight

    Tonight: Showers and possibly a thunderstorm.  Low around 60. Breezy, with a south wind 5 to 10 mph becoming south 15 to 25 mph in the evening. Winds could gust as high as 46 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Showers and thunderstorms before 11am, then a chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm.  High near 70. Breezy, with a west wind 22 to 24 mph, with gusts as high as 45 mph.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Breezy.
    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 54. West wind 8 to 15 mph, with gusts as high as 29 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Chance
    Showers

  • Juneteenth

    Juneteenth: A slight chance of showers after 2pm.  Mostly sunny, with a high near 68. West wind 10 to 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 20%.

    High: 68 °F

    Sunny then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52. West wind 6 to 11 mph.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers after 2pm.  Sunny, with a high near 68. West wind 9 to 14 mph.  Chance of precipitation is 20%.

    High: 68 °F

    Sunny then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52. West wind 3 to 8 mph.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 71. Calm wind becoming west 5 to 7 mph in the morning.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers.  Mostly cloudy, with a low around 54. Chance of precipitation is 50%.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers and possibly a thunderstorm. Low around 60. Breezy, with a south wind 5 to 10 mph becoming south 15 to 25 mph in the evening. Winds could gust as high as 46 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and thunderstorms before 11am, then a chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. High near 70. Breezy, with a west wind 22 to 24 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 54. West wind 8 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Juneteenth
A slight chance of showers after 2pm. Mostly sunny, with a high near 68. West wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 52. West wind 6 to 11 mph.
Saturday
A slight chance of showers after 2pm. Sunny, with a high near 68. West wind 9 to 14 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 52. West wind 3 to 8 mph.
Sunday
Mostly sunny, with a high near 71. Calm wind becoming west 5 to 7 mph in the morning.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Monday
Showers likely, mainly before 2pm. Partly sunny, with a high near 70. Chance of precipitation is 60%.
Monday Night
A chance of showers. Partly cloudy, with a low around 53. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW South Dayton NY
 42.41°N 79.13°W (Elev. 1621 ft)
3:57 pm EDT Jun 17, 2026
6pm EDT Jun 17, 2026-6pm EDT Jun 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database