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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4 Miles W Nampa ID

7 Day Forecast

For More Weather Information:

Boise, ID Local Forecast Office

Tonight

Rain Chance for Measurable Precipitation 100%

Rain

Low: 45 °F

Sunday

Rain Likely Chance for Measurable Precipitation 70%

Rain
Likely

High: 57 °F

Sunday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 37 °F

Monday

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

High: 45 °F

Monday
Night

Mostly Clear

Mostly
Clear

Low: 30 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 48 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 31 °F

Wednesday

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

High: 46 °F

Wednesday
Night

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

Low: 29 °F

Detailed Forecast

  • Tonight Rain. Low around 45. South southeast wind 11 to 14 mph. Chance of precipitation is 100%.
  • Sunday Rain likely. Cloudy, with a high near 57. Breezy, with a northwest wind 13 to 22 mph. Chance of precipitation is 70%.
  • Sunday Night Rain. Low around 37. West northwest wind 10 to 15 mph. Chance of precipitation is 80%.
  • Monday A 20 percent chance of rain before 11am. Cloudy through mid morning, then gradual clearing, with a high near 45. Breezy, with a northwest wind 11 to 21 mph.
  • Monday Night Mostly clear, with a low around 30. North wind around 5 mph becoming calm in the evening.
  • Tuesday Mostly sunny, with a high near 48.
  • Tuesday Night Partly cloudy, with a low around 31.
  • Wednesday A 20 percent chance of rain. Partly sunny, with a high near 46.
  • Wednesday Night A chance of rain. Cloudy, with a low around 29. Chance of precipitation is 50%.
  • Christmas Day A 20 percent chance of snow showers. Partly sunny, with a high near 38.
  • Thursday Night A 20 percent chance of snow showers. Mostly cloudy, with a low around 22.
  • Friday Partly sunny, with a high near 33.
  • Friday Night Mostly cloudy, with a low around 23.
  • Saturday Partly sunny, with a high near 36.