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 Pacific Northwest through late 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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Boise Municipal ID

7 Day Forecast

For More Weather Information:

Boise, ID Local Forecast Office

Tonight

Rain Chance for Measurable Precipitation 90%

Rain

Low: 39 °F

Monday

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

High: 46 °F

Monday
Night

Patchy Fog

Patchy
Fog

Low: 27 °F

Tuesday

Patchy Fog

Patchy
Fog

High: 42 °F

Tuesday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 32 °F

Wednesday

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

High: 46 °F

Wednesday
Night

Rain/Snow Chance for Measurable Precipitation 80%

Rain/Snow

Low: 32 °F

Christmas
Day

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 37 °F

Thursday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 25 °F

Detailed Forecast

  • Tonight Rain. Low around 39. Northwest wind 6 to 10 mph. Chance of precipitation is 90%.
  • Monday A 20 percent chance of rain before 11am. Cloudy through mid morning, then gradual clearing, with a high near 46. Breezy, with a west northwest wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.
  • Monday Night Patchy fog after 11pm. Otherwise, mostly clear, with a low around 27. Northwest wind 6 to 10 mph becoming southeast after midnight.
  • Tuesday Patchy fog before 11am. Otherwise, mostly sunny, with a high near 42. Light and variable wind.
  • Tuesday Night Mostly cloudy, with a low around 32. East southeast wind 3 to 6 mph.
  • Wednesday A 20 percent chance of rain after 11am. Mostly sunny, with a high near 46.
  • Wednesday Night Rain showers before 11pm, then rain and snow showers. Low around 32. Chance of precipitation is 80%. Little or no snow accumulation expected.
  • Christmas Day A 20 percent chance of snow showers. Mostly sunny, with a high near 37.
  • Thursday Night Mostly cloudy, with a low around 25.
  • Friday Partly sunny, with a high near 35.
  • Friday Night Mostly cloudy, with a low around 21.
  • Saturday Partly sunny, with a high near 37.
  • Saturday Night A slight chance of rain and snow showers. Mostly cloudy, with a low around 25. Chance of precipitation is 20%.
  • Sunday A 20 percent chance of snow showers. Partly sunny, with a high near 38.