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

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Jetport (KPWM)

Lat: 43.64°NLon: 70.3°WElev: 72ft.

Light Snow and Breezy

24°F

-4°C

Humidity 77%
Wind Speed NW 23 G 32 mph
Barometer 29.48 in (998.3 mb)
Dewpoint 18°F (-8°C)
Visibility 3.00 mi
Wind Chill9°F (-13°C)
Last update 23 Feb 8:51 pm EST
Extended Forecast for

Riverton ME

Blizzard Warning February 23, 09:44pm until February 23, 10:00pm
Click here for hazard details and duration
...
  •  
    Blizzard Warning February 23, 09:44pm until February 23, 10:00pm

    NOW until 10:00pm Mon

    Blizzard Warning

  • Tonight

    Low: 16 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30. Northwest wind around 5 mph.

    High: 30 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 4. Calm wind.

    Low: 4 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow. High near 35. Calm wind becoming south around 5 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 35 °F

    Snow

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow before 7pm. Partly cloudy, with a low around 18. Calm wind becoming west around 5 mph.

    Low: 18 °F

    Chance Snow
    then Mostly
    Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of snow after 8pm. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Chance Snow

  • Friday

    Friday: A 40 percent chance of snow before 10am. Mostly sunny, with a high near 37.

    High: 37 °F

    Chance Snow
    then Mostly
    Sunny

Detailed Forecast

Tonight
A 20 percent chance of snow before 10pm. Patchy blowing snow before midnight. Mostly cloudy, with a low around 16. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 30. Northwest wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 4. Calm wind.
Wednesday
Snow. High near 35. Calm wind becoming south around 5 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
A 30 percent chance of snow before 7pm. Partly cloudy, with a low around 18. Calm wind becoming west around 5 mph.
Thursday
Mostly sunny, with a high near 38.
Thursday Night
A 50 percent chance of snow after 8pm. Mostly cloudy, with a low around 18.
Friday
A 40 percent chance of snow before 10am. Mostly sunny, with a high near 37.
Friday Night
Mostly clear, with a low around 18.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 39.
Sunday Night
Partly cloudy, with a low around 6.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Riverton ME
 43.69°N 70.32°W (Elev. 75 ft)
Last Update:
7:37 pm EST Feb 23, 2026
Forecast Valid:
9pm EST Feb 23, 2026-6pm EST Mar 2, 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