Dangerous Heat in the East; Critical Fire Weather in the Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue today and likely Tuesday across portions of the Four Corners and northern High Plains. 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

79°F

26°C

Humidity 65%
Wind Speed SE 6 mph
Barometer 30.16 in (1020.7 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 29 Jun 11:56 am EDT
Extended Forecast for

Steamburg NY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 86. Southeast wind around 5 mph becoming calm.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 66. Light and variable wind.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 2pm.  Partly sunny and hot, with a high near 90. Heat index values as high as 96. Southwest wind 5 to 10 mph.  Chance of precipitation is 30%.

    High: 90 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70. Southwest wind 3 to 5 mph.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 92. West wind 6 to 9 mph.

    High: 92 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70. West wind around 5 mph becoming calm  in the evening.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 94. West wind 3 to 8 mph.

    High: 94 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 71. Light southwest wind.

    Low: 71 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 86. Southeast wind around 5 mph becoming calm.
Tonight
Partly cloudy, with a low around 66. Light and variable wind.
Tuesday
A chance of showers and thunderstorms before 2pm. Partly sunny and hot, with a high near 90. Heat index values as high as 96. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 70. Southwest wind 3 to 5 mph.
Wednesday
Sunny and hot, with a high near 92. West wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 70. West wind around 5 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 94. West wind 3 to 8 mph.
Thursday Night
Mostly clear, with a low around 71. Light southwest wind.
Friday
Sunny, with a high near 89.
Friday Night
A chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Independence Day
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Steamburg NY
 42.12°N 78.9°W (Elev. 1499 ft)
9:57 am EDT Jun 29, 2026
12pm EDT Jun 29, 2026-6pm EDT Jul 5, 2026
 
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Additional Resources

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Hourly Weather Forecast

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