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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Current Conditions

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18 Miles SSE Port San Juan AK

7 Day Forecast

For More Weather Information:

Anchorage, AK Local Forecast Office

Tonight

Rain Chance for Measurable Precipitation 100%

Rain

Low: 31 °F

Sunday

Showers Chance for Measurable Precipitation 80%

Showers

High: 39 °F

Sunday
Night

Showers Likely Chance for Measurable Precipitation 70%

Showers
Likely

Low: 37 °F

Monday

Showers Chance for Measurable Precipitation 80%

Showers

High: 41 °F

Monday
Night

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

Low: 34 °F

Tuesday

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

High: 38 °F

Tuesday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 31 °F

Wednesday

Chance Rain/Snow

Chance
Rain/Snow

High: 38 °F

Wednesday
Night

Chance Rain/Snow

Chance
Rain/Snow

Low: 34 °F

Detailed Forecast

  • Tonight Rain. Low around 31. North wind 20 to 25 mph becoming northwest 10 to 15 mph after midnight. Chance of precipitation is 100%.
  • Sunday Showers. High near 39. South wind around 10 mph becoming east in the afternoon. Chance of precipitation is 80%.
  • Sunday Night Showers likely. Cloudy, with a low around 37. East wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 70%.
  • Monday Showers. High near 41. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 80%.
  • Monday Night Showers likely. Cloudy, with a low around 34. Northeast wind 5 to 15 mph. Chance of precipitation is 60%.
  • Tuesday Showers likely. Cloudy, with a high near 38. Chance of precipitation is 60%.
  • Tuesday Night A 30 percent chance of snow showers. Mostly cloudy, with a low around 31.
  • Wednesday A chance of rain and snow showers. Mostly cloudy, with a high near 38.
  • Wednesday Night A chance of rain and snow showers. Mostly cloudy, with a low around 34.
  • Christmas Day A chance of rain and snow showers. Mostly cloudy, with a high near 39.
  • Thursday Night A chance of rain and snow showers. Mostly cloudy, with a low around 34.
  • Friday A chance of rain and snow showers. Mostly cloudy, with a high near 36.
  • Friday Night A chance of rain and snow showers. Mostly cloudy, with a low around 34.
  • Saturday A chance of rain and snow showers. Mostly cloudy, with a high near 36.