Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. 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. Read More >

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Overcast

64°F

18°C

Humidity 100%
Wind Speed SW 7 mph
Barometer 30.12 in (1019.8 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 21 Jun 3:56 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
  • Overnight

    Overnight: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 67. South wind around 8 mph.  Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Partly sunny, with a high near 85. Southwest wind around 10 mph.

    High: 85 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: 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.

    Low: 70 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South wind around 8 mph. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 85. Southwest wind around 10 mph.
Saturday Night
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.
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. 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)
4:36 am EDT Jun 21, 2025
4am EDT Jun 21, 2025-6pm EDT Jun 27, 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