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 >

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

A Few Clouds

72°F

22°C

Humidity 66%
Wind Speed W 15 G 21 mph
Barometer 30.03 in (1016.7 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 20 Jun 12:56 pm EDT
Extended Forecast for

3 Miles WSW Sinclairville NY

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms after 5pm.  Mostly cloudy, with a high near 76. West wind around 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely after 2am.  Mostly cloudy, with a low around 63. South wind 5 to 7 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers before 8am.  Partly sunny, with a high near 82. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 82 °F

    Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 72. Southwest wind around 10 mph, with gusts as high as 22 mph.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 89. West wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. Southwest wind around 6 mph.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 90. West wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. Southwest wind around 6 mph.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 76. West wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 63. South wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers before 8am. Partly sunny, with a high near 82. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Partly cloudy, with a low around 72. Southwest wind around 10 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 89. West wind 9 to 11 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 72. Southwest wind around 6 mph.
Monday
Sunny and hot, with a high near 90. West wind 6 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 72. Southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Sinclairville NY
 42.25°N 79.33°W (Elev. 1407 ft)
10:36 am EDT Jun 20, 2025
1pm EDT Jun 20, 2025-6pm EDT Jun 26, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database