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Hazardous Weather Conditions

Current conditions at

White Mountain Regional Airport (KIZG)

Lat: 43.99°NLon: 70.95°WElev: 449ft.

Fair

77°F

25°C

Humidity 69%
Wind Speed SW 3 mph
Barometer 29.88 in (1011.3 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 2 Jul 12:54 am EDT
Extended Forecast for

Porterfield ME

Extreme Heat Warning July 2, 01:37am until July 3, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 2, 01:37am until July 3, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Overnight

    Low: 73 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 94. Heat index values as high as 99. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 94 °F

    Hot

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 74. West wind around 5 mph.

    Low: 74 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 94. Heat index values as high as 97. West wind 5 to 10 mph.

    High: 94 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 69. West wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Mostly Clear

  • Independence Day

    Independence Day: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 73. Southwest wind around 5 mph.
Thursday
Sunny and hot, with a high near 94. Heat index values as high as 99. West wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 74. West wind around 5 mph.
Friday
Sunny and hot, with a high near 94. Heat index values as high as 97. West wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 69. West wind around 5 mph becoming calm in the evening.
Independence Day
Mostly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Mostly cloudy, with a low around 63.
Monday
A 30 percent chance of showers after 10am. Partly sunny, with a high near 81.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Porterfield ME
 43.88°N 70.94°W (Elev. 899 ft)
Last Update:
6:56 pm EDT Jul 1, 2026
Forecast Valid:
1am EDT Jul 2, 2026-6pm EDT Jul 8, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation