National Weather Service United States Department of Commerce

Heavy Snow For the Southern Rockies with Heavy Rain for Portions of the Southwest

A moist flow off the Pacific will bring heavy rain to southern California and Arizona with heavy snow for the southern Rocky Mountains Monday. More freezing rain is possible from the southern Plains to the central Mississippi Valley. Heavy snow is also expected for portions of New England and upstate New York Monday.
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Current Conditions

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2 Miles NE Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Overnight

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 27 °F

Monday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 37 °F

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 19 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 39 °F

Tuesday
Night

Mostly Clear

Mostly
Clear

Low: 26 °F

Wednesday

Sunny

Sunny

High: 48 °F

Wednesday
Night

Mostly Clear

Mostly
Clear

Low: 33 °F

Thursday

Mostly Sunny

Mostly
Sunny

High: 46 °F

Thursday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 29 °F

Detailed Forecast

  • Overnight A 50 percent chance of snow, mainly before 4am. Mostly cloudy, with a low around 27. Light west wind. Little or no snow accumulation expected.
  • Monday A 20 percent chance of snow showers before 10am. Partly sunny, with a high near 37. North northeast wind 6 to 8 mph becoming northwest in the afternoon.
  • Monday Night Mostly cloudy, with a low around 19. North northeast wind 7 to 13 mph, with gusts as high as 21 mph.
  • Tuesday Mostly sunny, with a high near 39. East wind around 5 mph becoming calm in the morning.
  • Tuesday Night Mostly clear, with a low around 26. Light and variable wind.
  • Wednesday Sunny, with a high near 48.
  • Wednesday Night Mostly clear, with a low around 33.
  • Thursday Mostly sunny, with a high near 46.
  • Thursday Night Mostly cloudy, with a low around 29.
  • Friday Partly sunny, with a high near 47.
  • Friday Night Partly cloudy, with a low around 29.
  • Saturday Mostly sunny, with a high near 48.
  • Saturday Night Partly cloudy, with a low around 30.
  • Sunday Mostly sunny, with a high near 46.