National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat in the Central and Eastern U.S.; Critical Fire Weather in the Great Basin and 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 Tuesday across portions of the Four Corners and Great Basin, as dry conditions and gusty winds persist. Read More >

Hazardous Weather Conditions

Current conditions at

Rochester, Greater Rochester International Airport (KROC)

Lat: 43.12°NLon: 77.68°WElev: 558ft.

Mostly Cloudy

70°F

21°C

Humidity 82%
Wind Speed SW 7 mph
Barometer 30.06 in (1017.4 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 30 Jun 3:54 am EDT
Extended Forecast for

Webster NYSimilar City Names

Extreme Heat Watch July 1, 12:00pm until July 3, 08:00pm
Heat Advisory June 30, 12:00pm until June 30, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
Heat Advisory

  • Today

    Today: A chance of showers and thunderstorms, mainly between 10am and 3pm. Partly sunny and hot, with a high near 90. Heat index values as high as 96. Southwest wind 6 to 11 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 76. Southwest wind around 8 mph.

    Low: 76 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 92. Heat index values as high as 102. West wind 10 to 13 mph.

    High: 92 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. Southwest wind 7 to 9 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 93. West wind 8 to 13 mph.

    High: 93 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. West wind 8 to 11 mph.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny and hot, with a high near 90. West wind 7 to 9 mph.

    High: 90 °F

    Hot

  • Friday Night

    Friday Night: A chance of showers after 2am. Mostly cloudy, with a low around 73. West wind around 6 mph. Chance of precipitation is 40%.

    Low: 73 °F

    Partly Cloudy
    then Chance
    Showers

  • Independence Day

    Independence Day: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 40%.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly between 10am and 3pm. Partly sunny and hot, with a high near 90. Heat index values as high as 96. Southwest wind 6 to 11 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Partly cloudy, with a low around 76. Southwest wind around 8 mph.
Wednesday
Sunny and hot, with a high near 92. Heat index values as high as 102. West wind 10 to 13 mph.
Wednesday Night
Mostly clear, with a low around 76. Southwest wind 7 to 9 mph.
Thursday
Sunny and hot, with a high near 93. West wind 8 to 13 mph.
Thursday Night
Mostly clear, with a low around 75. West wind 8 to 11 mph.
Friday
Mostly sunny and hot, with a high near 90. West wind 7 to 9 mph.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 73. West wind around 6 mph. Chance of precipitation is 40%.
Independence Day
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Saturday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 88. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Webster NYSimilar City Names
 43.21°N 77.41°W (Elev. 449 ft)
Last Update:
3:57 am EDT Jun 30, 2026
Forecast Valid:
4am EDT Jun 30, 2026-6pm EDT Jul 6, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation