National Weather Service United States Department of Commerce

Heavy rain forecast for Pacific Northwest this week

A cold front moving onshore along the Pacific Northwest and northern California coast will bring heavy rain to the region through the first part of the week. A second cold front expected to move onshore by late Tuesday, bringing additional rain and higher-elevation snow to the region.
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Current Conditions

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23 Miles ENE Cascade ID

7 Day Forecast

For More Weather Information:

Boise, ID Local Forecast Office

Tonight

Showers Chance for Measurable Precipitation 90%

Showers

Low: 41 °F

Tuesday

Showers Chance for Measurable Precipitation 90%

Showers

High: 41 °F

Tuesday
Night

Chance Rain/Snow Chance for Measurable Precipitation 30%

Chance
Rain/Snow

Low: 32 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 50 °F

Wednesday
Night

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

Low: 33 °F

Thursday

Chance Rain Chance for Measurable Precipitation 30%

Chance
Rain

High: 47 °F

Thursday
Night

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

Low: 37 °F

Friday

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

High: 53 °F

Friday
Night

Chance Rain Chance for Measurable Precipitation 30%

Chance
Rain

Low: 34 °F

Detailed Forecast

  • Tonight Showers, mainly after midnight. Low around 41. South southeast wind 5 to 8 mph. Chance of precipitation is 90%.
  • Tuesday Showers. High near 41. Southwest wind 3 to 6 mph. Chance of precipitation is 90%.
  • Tuesday Night A chance of rain showers before midnight, then a slight chance of rain and snow showers. Partly cloudy, with a low around 32. Light and variable wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
  • Wednesday Mostly sunny, with a high near 50. Calm wind becoming south around 5 mph in the afternoon.
  • Wednesday Night A 20 percent chance of rain. Mostly cloudy, with a low around 33. South wind around 5 mph.
  • Thursday A 30 percent chance of rain. Mostly cloudy, with a high near 47.
  • Thursday Night A 20 percent chance of rain. Mostly cloudy, with a low around 37.
  • Friday A 20 percent chance of rain. Partly sunny, with a high near 53.
  • Friday Night A 30 percent chance of rain. Mostly cloudy, with a low around 34.
  • Saturday A 30 percent chance of rain. Partly sunny, with a high near 52.
  • Saturday Night A 30 percent chance of showers. Mostly cloudy, with a low around 34.
  • Sunday A chance of rain and snow showers. Mostly cloudy, with a high near 47. Chance of precipitation is 30%.
  • Sunday Night A 20 percent chance of snow showers. Mostly cloudy, with a low around 30.
  • Monday A 20 percent chance of snow showers. Partly sunny, with a high near 50.