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

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Mostly Cloudy

69°F

21°C

Humidity 57%
Wind Speed SW 9 mph
Barometer 29.74 in (1007.2 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 17 Jun 4:56 pm EDT
Extended Forecast for

3 Miles NNW Gerry NY

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

    Tonight: Showers, with thunderstorms also possible after 2am.  Low around 60. Breezy, with a south wind 7 to 12 mph becoming south 18 to 23 mph after midnight. Winds could gust as high as 44 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 possibly a thunderstorm 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 around 22 mph, with gusts as high as 38 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter 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 9 to 14 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 chance of showers, mainly after 2pm.  Mostly sunny, with a high near 67. West wind 10 to 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 30%.

    High: 67 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm.  Partly cloudy, with a low around 52. West wind 7 to 13 mph.  Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers after 2pm.  Sunny, with a high near 67. West wind 10 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 20%.

    High: 67 °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 70. West wind 3 to 7 mph.

    High: 70 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am.  Mostly cloudy, with a low around 54. Chance of precipitation is 60%.

    Low: 54 °F

    Showers
    Likely

Detailed Forecast

Tonight
Showers, with thunderstorms also possible after 2am. Low around 60. Breezy, with a south wind 7 to 12 mph becoming south 18 to 23 mph after midnight. Winds could gust as high as 44 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 possibly a thunderstorm 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 around 22 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter 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 9 to 14 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 chance of showers, mainly after 2pm. Mostly sunny, with a high near 67. West wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers before 8pm. Partly cloudy, with a low around 52. West wind 7 to 13 mph. Chance of precipitation is 30%.
Saturday
A slight chance of showers after 2pm. Sunny, with a high near 67. West wind 10 to 14 mph, with gusts as high as 24 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 70. West wind 3 to 7 mph.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Monday
Showers likely, mainly before 2pm. Partly sunny, with a high near 69. Chance of precipitation is 60%.
Monday Night
A chance of showers. Partly cloudy, with a low around 54. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Gerry NY
 42.26°N 79.18°W (Elev. 1726 ft)
3:57 pm EDT Jun 17, 2026
5pm EDT Jun 17, 2026-6pm EDT Jun 24, 2026
 
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Additional Resources

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