Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes

Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

A Few Clouds

77°F

25°C

Humidity 71%
Wind Speed SW 8 mph
Barometer 30.15 in (1020.5 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 21 Jun 11:56 am EDT
Extended Forecast for

2 Miles ENE Ripley NY

Heat Advisory June 22, 12:00pm until June 24, 06:00pm
Click here for hazard details and duration
Heat Advisory
  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, mainly between 1pm and 2pm.  Partly sunny, with a high near 85. Southwest wind around 10 mph.  Chance of precipitation is 30%.

    High: 85 °F

    Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 76. Southwest wind 13 to 17 mph, with gusts as high as 28 mph.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87. West wind 13 to 16 mph.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 75. Southwest wind 7 to 9 mph.

    Low: 75 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 88. West wind 9 to 11 mph.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 74. Southwest wind 7 to 9 mph.

    Low: 74 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. West wind around 10 mph.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70. Southwest wind around 6 mph.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms.  Partly sunny, with a high near 83. Chance of precipitation is 40%.

    High: 83 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly between 1pm and 2pm. Partly sunny, with a high near 85. Southwest wind around 10 mph. Chance of precipitation is 30%.
Tonight
Mostly clear, with a low around 76. Southwest wind 13 to 17 mph, with gusts as high as 28 mph.
Sunday
Sunny, with a high near 87. West wind 13 to 16 mph.
Sunday Night
Clear, with a low around 75. Southwest wind 7 to 9 mph.
Monday
Sunny, with a high near 88. West wind 9 to 11 mph.
Monday Night
Clear, with a low around 74. Southwest wind 7 to 9 mph.
Tuesday
Sunny, with a high near 86. West wind around 10 mph.
Tuesday Night
Partly cloudy, with a low around 70. Southwest wind around 6 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Ripley NY
 42.28°N 79.68°W (Elev. 755 ft)
10:36 am EDT Jun 21, 2025
12pm EDT Jun 21, 2025-6pm EDT Jun 27, 2025
 
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Additional Resources

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