National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. this weekend

A Pacific storm system will continue to impact the West Coast through Sunday. Heavy rainfall could lead to flash flooding, river and small stream flooding, as well as mudslides and debris flows, especially over burn scars. At higher elevations, strong winds and heavy snowfall, with accumulations of 1 to 3 feet, could result in hazardous travel through mountain passes.
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Hazardous Weather Conditions

Current Conditions

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Portland ME

7 Day Forecast

For More Weather Information:

Gray/Portland, ME Local Forecast Office

Tonight

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 24 °F

Sunday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 33 °F

Sunday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 25 °F

Monday

Chance Drizzle

Chance
Drizzle

High: 37 °F

Monday
Night

Chance Drizzle

Chance
Drizzle

Low: 32 °F

Tuesday

Chance Rain/Snow Chance for Measurable Precipitation 40%

Chance
Rain/Snow

High: 42 °F

Tuesday
Night

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

Low: 38 °F

Wednesday

Heavy Rain Chance for Measurable Precipitation 90%

Heavy
Rain

High: 48 °F

Wednesday
Night

Heavy Rain Chance for Measurable Precipitation 90%

Heavy
Rain

Low: 43 °F

Detailed Forecast

  • Tonight A 20 percent chance of snow showers after 3am. Mostly cloudy, with a low around 24. Northeast wind around 5 mph.
  • Sunday A 30 percent chance of snow showers before 3pm. Mostly cloudy, with a high near 33. Northeast wind around 5 mph.
  • Sunday Night Mostly cloudy, with a low around 25. North wind around 5 mph.
  • Monday A chance of drizzle after 2pm. Mostly cloudy, with a high near 37. Northeast wind around 5 mph.
  • Monday Night A chance of drizzle. Cloudy, with a low around 32. East wind around 5 mph.
  • Tuesday A chance of rain and snow before 10am, then a chance of rain. Cloudy, with a high near 42. Chance of precipitation is 40%.
  • Tuesday Night A 50 percent chance of rain. Cloudy, with a low around 38.
  • Wednesday Rain. The rain could be heavy at times. High near 48. Chance of precipitation is 90%.
  • Wednesday Night Rain. The rain could be heavy at times. Low around 43. Chance of precipitation is 90%.
  • Christmas Day A 40 percent chance of showers. Mostly cloudy, with a high near 47.
  • Thursday Night Partly cloudy, with a low around 30.
  • Friday Mostly sunny, with a high near 41.
  • Friday Night Partly cloudy, with a low around 30.
  • Saturday Partly sunny, with a high near 42.