National Weather Service United States Department of Commerce

A stalled frontal boundary and ample monsoonal moisture will lead to flash flood potential from the Great Basin to the Great Plains tonight and Tuesday

A stalled frontal boundary will set up along the southern and central Rockies for the next couple of days providing focus for showers and thunderstorms. In addition, ample monsoonal moisture will stream in across the southwest bringing enough moisture to introduce a flash flood threat from the Great Basin and Southwest eastward across the central and southern Rockies into the adjacent Plains.
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Current Conditions

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8 Miles NNE Sumpter OR

7 Day Forecast

For More Weather Information:

Boise, ID Local Forecast Office

Tonight

Mostly Cloudy

Mostly
Cloudy

Low: 65 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 84 °F

Tuesday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 63 °F

Wednesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 80 °F

Wednesday
Night

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 59 °F

Thursday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 82 °F

Thursday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 60 °F

Friday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 81 °F

Friday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 60 °F

Detailed Forecast

  • Tonight Mostly cloudy, with a low around 65. North northwest wind 7 to 9 mph.
  • Tuesday Mostly sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.
  • Tuesday Night Mostly cloudy, with a low around 63. Northwest wind around 6 mph.
  • Wednesday A 20 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 80. North wind 3 to 5 mph.
  • Wednesday Night A 30 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 59. Light north northwest wind.
  • Thursday A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 82.
  • Thursday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.
  • Friday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
  • Friday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.
  • Saturday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
  • Saturday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
  • Sunday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
  • Sunday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.
  • Monday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.