Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Mostly Cloudy

60°F

16°C

Humidity 93%
Wind Speed S 8 mph
Barometer 29.76 in (1007.6 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 17 Jun 8:56 am EDT
Extended Forecast for

3 Miles SSW Little Valley NY

  • Today

    Today: Mostly sunny, with a high near 70. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 70 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers, with thunderstorms also possible after 2am.  Low around 56. Breezy, with a south wind 6 to 11 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 32 mph.  Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Showers
    Likely then
    Showers and
    Breezy

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am.  High near 70. West wind around 16 mph, with gusts as high as 32 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

    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before 8pm.  Mostly cloudy, with a low around 52. West wind 8 to 14 mph, with gusts as high as 28 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Showers
    Likely then
    Chance
    Showers

  • Juneteenth

    Juneteenth: A slight chance of showers after 8am.  Mostly 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

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 50. West wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 65. West wind 11 to 13 mph, with gusts as high as 23 mph.

    High: 65 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50. West wind 5 to 8 mph.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 70. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Tonight
Showers, with thunderstorms also possible after 2am. Low around 56. Breezy, with a south wind 6 to 11 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 70. West wind around 16 mph, with gusts as high as 32 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
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 52. West wind 8 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Juneteenth
A slight chance of showers after 8am. Mostly sunny, with a high near 67. West wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 50. West wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 65. West wind 11 to 13 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 50. West wind 5 to 8 mph.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.
Monday
Showers likely. Partly sunny, with a high near 69. 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 70.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Little Valley NY
 42.21°N 78.83°W (Elev. 1900 ft)
7:57 am EDT Jun 17, 2026
9am EDT Jun 17, 2026-6pm EDT Jun 23, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

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