Heavy Rainfall Along the Central Gulf Coast; Thunderstorms from the Plains to the Central Appalachians; Heat Across the East

A system in the Gulf could produce heavy rainfall and flash flooding for portions of the north-central Gulf Coast into Saturday. Widespread showers and thunderstorms are likely this afternoon into Friday from Central Plains into the mid-Mississippi Valley, Ohio Valley and Central Appalachians. Dangerous heat is expected from the Lower Mississippi Valley to the Mid-Atlantic today. Read More >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Overcast

73°F

23°C

Humidity 96%
Wind Speed SW 16 G 21 mph
Barometer 29.87 in (1010.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 17 Jul 9:56 am EDT
Extended Forecast for

4 Miles ENE Greenhurst NY

  • Today

    Today: A chance of showers and thunderstorms, mainly before 2pm.  Mostly cloudy, with a high near 81. West wind 15 to 17 mph, with gusts as high as 29 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    T-storms

  • Tonight

    Tonight: Increasing clouds, with a low around 58. West wind 5 to 11 mph.

    Low: 58 °F

    Increasing
    Clouds

  • Friday

    Friday: Cloudy through mid morning, then gradual clearing, with a high near 76. Light north wind.

    High: 76 °F

    Gradual
    Clearing

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 82. Southwest wind 3 to 7 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 64. Southwest wind around 6 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers before 8am.  Mostly sunny, with a high near 79. Northwest wind 5 to 7 mph.  Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. Light and variable wind.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly before 2pm. Mostly cloudy, with a high near 81. West wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Increasing clouds, with a low around 58. West wind 5 to 11 mph.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 76. Light north wind.
Friday Night
Mostly clear, with a low around 57. Calm wind.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 82. Southwest wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 64. Southwest wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers before 8am. Mostly sunny, with a high near 79. Northwest wind 5 to 7 mph. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 58. Light and variable wind.
Monday
Sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
A chance of showers. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 87. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Greenhurst NY
 42.18°N 79.25°W (Elev. 1260 ft)
10:36 am EDT Jul 17, 2025
10am EDT Jul 17, 2025-6pm EDT Jul 23, 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