Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

Current conditions at

Rochester, Greater Rochester International Airport (KROC)

Lat: 43.12°NLon: 77.68°WElev: 558ft.

A Few Clouds

77°F

25°C

Humidity 56%
Wind Speed W 10 mph
Barometer 30.12 in (1020.0 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 4 Aug 11:54 am EDT
Extended Forecast for

Clarkson NY

  • This Afternoon

    This Afternoon: Sunny, with a high near 81. Southwest wind 5 to 7 mph becoming calm.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. Light and variable wind becoming south around 6 mph after midnight.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. South wind around 6 mph.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am.  Partly cloudy, with a low around 68. Light and variable wind becoming south around 6 mph after midnight.  Chance of precipitation is 30%.

    Low: 68 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Showers and thunderstorms likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 85. West wind around 6 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 67. Southwest wind around 6 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 82. West wind around 6 mph.  Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers after 2am.  Mostly cloudy, with a low around 65. Southwest wind 3 to 5 mph.  Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers.  Partly sunny, with a high near 83. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 81. Southwest wind 5 to 7 mph becoming calm.
Tonight
Mostly clear, with a low around 62. Light and variable wind becoming south around 6 mph after midnight.
Wednesday
Mostly sunny, with a high near 86. South wind around 6 mph.
Wednesday Night
A slight chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 68. Light and variable wind becoming south around 6 mph after midnight. Chance of precipitation is 30%.
Thursday
Showers and thunderstorms likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. West wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southwest wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. West wind around 6 mph. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 65. Southwest wind 3 to 5 mph. Chance of precipitation is 60%.
Saturday
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Monday
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Clarkson NY
 43.2°N 77.95°W (Elev. 614 ft)
9:58 am EDT Aug 4, 2026
12pm EDT Aug 4, 2026-6pm EDT Aug 10, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

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