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 S 6 mph
Barometer 30.15 in (1020.9 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 21 Jun 6:56 am EDT
Extended Forecast for

2 Miles NW Dewittville NY

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

    Today: A slight chance of showers and thunderstorms before 8am.  Partly sunny, with a high near 84. Southwest wind 7 to 11 mph.  Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    T-storms then
    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 73. South wind 11 to 15 mph.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87. West wind 11 to 14 mph.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 73. Southwest wind around 7 mph.

    Low: 73 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 88. West wind 7 to 10 mph.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 72. Southwest wind around 7 mph.

    Low: 72 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. West wind 7 to 10 mph.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68. West wind 3 to 6 mph.

    Low: 68 °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

Today
A slight chance of showers and thunderstorms before 8am. Partly sunny, with a high near 84. Southwest wind 7 to 11 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 73. South wind 11 to 15 mph.
Sunday
Sunny, with a high near 87. West wind 11 to 14 mph.
Sunday Night
Clear, with a low around 73. Southwest wind around 7 mph.
Monday
Sunny, with a high near 88. West wind 7 to 10 mph.
Monday Night
Clear, with a low around 72. Southwest wind around 7 mph.
Tuesday
Sunny, with a high near 86. West wind 7 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 68. West wind 3 to 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 68. 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 69. Chance of precipitation is 30%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Dewittville NY
 42.26°N 79.42°W (Elev. 1552 ft)
4:36 am EDT Jun 21, 2025
7am 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