National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. on Saturday

Another Pacific system will impact the West Coast today. Heavy rainfall could lead to flash flooding, river and small stream flooding as well as mudslides and debris flows, especially over burn scars. Strong winds and heavy elevation 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 S Ontario Municipal OR

7 Day Forecast

For More Weather Information:

Boise, ID Local Forecast Office

This
Afternoon

Rain Chance for Measurable Precipitation 100%

Rain

High: 42 °F

Tonight

Rain Chance for Measurable Precipitation 100%

Rain

Low: 40 °F

Sunday

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

High: 48 °F

Sunday
Night

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

Low: 37 °F

Monday

Chance Rain Chance for Measurable Precipitation 30%

Chance
Rain

High: 46 °F

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 29 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 44 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 29 °F

Wednesday

Chance Rain Chance for Measurable Precipitation 30%

Chance
Rain

High: 42 °F

Detailed Forecast

  • This Afternoon Rain. High near 42. Southeast wind around 7 mph. Chance of precipitation is 100%.
  • Tonight Rain. Low around 40. South southeast wind 7 to 9 mph. Chance of precipitation is 100%.
  • Sunday A 50 percent chance of rain. Cloudy, with a high near 48. South southwest wind 7 to 9 mph becoming northwest in the afternoon.
  • Sunday Night Rain likely, mainly before 11pm. Mostly cloudy, with a low around 37. West northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
  • Monday A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 46. North northwest wind around 6 mph.
  • Monday Night Mostly cloudy, with a low around 29.
  • Tuesday Mostly sunny, with a high near 44.
  • Tuesday Night Partly cloudy, with a low around 29.
  • Wednesday A 30 percent chance of rain. Partly sunny, with a high near 42.
  • Wednesday Night A chance of rain showers. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
  • Christmas Day A slight chance of rain and snow showers. Partly sunny, with a high near 38. Chance of precipitation is 20%.
  • Thursday Night Mostly cloudy, with a low around 22.
  • Friday Partly sunny, with a high near 35.