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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10 Miles ESE Sumpter OR

7 Day Forecast

For More Weather Information:

Boise, ID Local Forecast Office

Overnight

Mostly Cloudy

Mostly
Cloudy

Low: 59 °F

Tuesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 92 °F

Tuesday
Night

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 63 °F

Wednesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 88 °F

Wednesday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 56 °F

Thursday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 91 °F

Thursday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 56 °F

Friday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 89 °F

Friday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 56 °F

Detailed Forecast

  • Overnight Mostly cloudy, with a low around 59. North wind around 5 mph.
  • Tuesday A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 92. Calm wind becoming north 5 to 7 mph in the morning.
  • Tuesday Night A 30 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 63. West northwest wind 3 to 7 mph.
  • Wednesday A 20 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 88. North northwest wind around 6 mph.
  • Wednesday Night A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 56. West northwest wind 3 to 6 mph.
  • Thursday A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 91.
  • Thursday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56.
  • Friday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
  • Friday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56.
  • Saturday A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91.
  • Saturday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57.
  • Sunday Mostly sunny and hot, with a high near 92.
  • Sunday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 55.
  • Monday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.