Dangerous, Record-Breaking Heat to Continue in the Central and Eastern U.S.; Severe Thunderstorms in the Upper Midwest; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will continue across most of the central and eastern U.S this week. Heat indices will exceed 100 degrees. Severe storms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians Thursday, with the primary threat large to very large hail. Critical fire weather to continue in the Four Corners Region Read More >

Current conditions at

Greenville (KGNR)

Lat: 45.46°NLon: 69.55°WElev: 1394ft.

75°F

24°C

Humidity 66%
Wind Speed NW 9 mph
Barometer 29.85 in (1009.6 mb)
Dewpoint 63°F (17°C)
Visibility NA
Last update 2 Jul 4:56 am EDT
Extended Forecast for

Jackman Corner ME

Heat Advisory July 2, 11:00am until July 3, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Isolated showers and thunderstorms before 9am, then isolated showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 96. Heat index values as high as 103. Light west wind increasing to 5 to 9 mph in the morning.  Chance of precipitation is 20%.

    High: 96 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms before 9pm.  Partly cloudy, with a low around 72. West wind around 5 mph.  Chance of precipitation is 20%.

    Low: 72 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Sunny and hot, with a high near 95. Heat index values as high as 98. West wind 7 to 13 mph, with gusts as high as 23 mph.

    High: 95 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 69. West wind around 6 mph.

    Low: 69 °F

    Mostly Clear

  • Independence Day

    Independence Day: A chance of showers, with thunderstorms also possible after 2pm.  Mostly sunny, with a high near 84. Northwest wind 6 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 40%.

    High: 84 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. Northwest wind around 5 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83. North wind around 6 mph.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

Detailed Forecast

Today
Isolated showers and thunderstorms before 9am, then isolated showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 103. Light west wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 20%.
Tonight
Isolated showers and thunderstorms before 9pm. Partly cloudy, with a low around 72. West wind around 5 mph. Chance of precipitation is 20%.
Friday
Sunny and hot, with a high near 95. Heat index values as high as 98. West wind 7 to 13 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 69. West wind around 6 mph.
Independence Day
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 84. Northwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Saturday Night
Mostly clear, with a low around 61. Northwest wind around 5 mph.
Sunday
Sunny, with a high near 83. North wind around 6 mph.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Partly sunny, with a high near 83.
Monday Night
Mostly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Jackman Corner ME
 45.09°N 69.34°W (Elev. 486 ft)
4:02 am EDT Jul 2, 2026
5am EDT Jul 2, 2026-6pm EDT Jul 8, 2026
 
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Additional Resources

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