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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3 Miles N Twin Falls ID

7 Day Forecast

For More Weather Information:

Boise, ID Local Forecast Office

Tonight

Rain Chance for Measurable Precipitation 90%

Rain

Low: 43 °F

Sunday

Rain Chance for Measurable Precipitation 90%

Rain

High: 54 °F

Sunday
Night

Rain Likely Chance for Measurable Precipitation 70%

Rain
Likely

Low: 38 °F

Monday

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

High: 43 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 27 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 44 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 30 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 50 °F

Wednesday
Night

Rain Likely Chance for Measurable Precipitation 70%

Rain
Likely

Low: 29 °F

Detailed Forecast

  • Tonight Rain. Low around 43. Southeast wind 9 to 13 mph becoming south southwest after midnight. Chance of precipitation is 90%.
  • Sunday Rain. High near 54. Breezy, with a west southwest wind 16 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 90%.
  • Sunday Night Rain likely. Cloudy, with a low around 38. Breezy, with a west southwest wind 18 to 20 mph. Chance of precipitation is 70%.
  • Monday A 20 percent chance of rain before 11am. Cloudy through mid morning, then gradual clearing, with a high near 43. Windy, with a west wind 21 to 31 mph, with gusts as high as 43 mph.
  • Monday Night Partly cloudy, with a low around 27. Southwest wind 6 to 14 mph.
  • Tuesday Mostly sunny, with a high near 44.
  • Tuesday Night Partly cloudy, with a low around 30.
  • Wednesday Mostly sunny, with a high near 50.
  • Wednesday Night Rain likely. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.
  • Christmas Day A 30 percent chance of snow showers. Partly sunny, with a high near 34.
  • Thursday Night A 20 percent chance of snow showers. Mostly cloudy, with a low around 20.
  • Friday Partly sunny, with a high near 32.
  • Friday Night Mostly cloudy, with a low around 20.
  • Saturday Partly sunny, with a high near 34.