Excessive Heat Continues today for Portions of Central and Eastern U.S.; Change in Weather Pattern this Week

Dangerous heat and humidity continues today from portions of the Plains to the East Coast. A cold front will bring lower temperatures, and potential for strong to severe thunderstorms with damaging winds and heavy rain that could produce flash flooding to the Central and Eastern U.S. through early this week. High pressure shifts West this week with building heat and monsoonal moisture. Read More >

Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Partly Cloudy

90°F

32°C

Humidity 48%
Wind Speed NW 13 G 22 mph
Barometer 29.68 in (1004.9 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 21 Jul 4:51 pm EDT
Extended Forecast for

Fort Preble ME

Heat Advisory until July 21, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 21, 07:00pm

    NOW until
    7:00pm Sun

    Heat Advisory

  • This
    Afternoon

    This Afternoon: A 20 percent chance of showers.  Partly sunny, with a high near 89. Heat index values as high as 95. Northwest wind around 10 mph.

    Slight Chance
    Showers

    High: 89 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 66. Northwest wind around 5 mph.

    Partly Cloudy

    Low: 66 °F

  • Monday

    Monday: A 30 percent chance of showers after 4pm.  Increasing clouds, with a high near 74. North wind around 5 mph becoming southeast in the afternoon.  New precipitation amounts between a tenth and quarter of an inch possible.

    Mostly Sunny
    then Chance
    Showers

    High: 74 °F

  • Monday
    Night

    Monday Night: Showers, mainly after 7pm.  Low around 62. Calm wind becoming north around 5 mph after midnight.  Chance of precipitation is 100%.

    Showers

    Low: 62 °F

  • Tuesday

    Tuesday: Showers likely, mainly before 7am.  Mostly cloudy, with a high near 72. North wind around 5 mph becoming southeast in the afternoon.  Chance of precipitation is 60%.

    Showers
    Likely

    High: 72 °F

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 62.

    Mostly Cloudy

    Low: 62 °F

  • Wednesday

    Wednesday: Partly sunny, with a high near 74.

    Partly Sunny

    High: 74 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 60.

    Mostly Clear

    Low: 60 °F

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Partly sunny, with a high near 89. Heat index values as high as 95. Northwest wind around 10 mph.
Tonight
Partly cloudy, with a low around 66. Northwest wind around 5 mph.
Monday
A 30 percent chance of showers after 4pm. Increasing clouds, with a high near 74. North wind around 5 mph becoming southeast in the afternoon. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Showers, mainly after 7pm. Low around 62. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 100%.
Tuesday
Showers likely, mainly before 7am. Mostly cloudy, with a high near 72. North wind around 5 mph becoming southeast in the afternoon. Chance of precipitation is 60%.
Tuesday Night
Mostly cloudy, with a low around 62.
Wednesday
Partly sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 65.
Sunday
A chance of showers. Mostly sunny, with a high near 79.
Click Map For Forecast
Point Forecast:
Fort Preble ME
 43.66°N 70.24°W (Elev. 0 ft)
2:32 pm EDT Jul 21, 2019
5pm EDT Jul 21, 2019-6pm EDT Jul 28, 2019
 
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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