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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Cascade ID

7 Day Forecast

For More Weather Information:

Boise, ID Local Forecast Office

Today

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

High: 30 °C

Tonight

Scattered Showers Chance for Measurable Precipitation 30%

Scattered
Showers

Low: 16 °C

Wednesday

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

High: 28 °C

Wednesday
Night

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 13 °C

Thursday

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 30 °C

Thursday
Night

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 13 °C

Friday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 29 °C

Friday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 13 °C

Saturday

Mostly Sunny

Mostly
Sunny

High: 31 °C

Detailed Forecast

  • Today Isolated showers and thunderstorms after noon. Mostly sunny, with a high near 30. Calm wind becoming north northwest 5 to 10 km/h in the afternoon. Chance of precipitation is 20%.
  • Tonight Scattered showers and thunderstorms before midnight. Partly cloudy, with a low around 16. Northwest wind 9 to 14 km/h becoming light and variable after midnight. Chance of precipitation is 30%.
  • Wednesday A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 28. Calm wind becoming west 5 to 8 km/h in the afternoon.
  • Wednesday Night A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 13. Calm wind.
  • Thursday A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 30. Calm wind.
  • Thursday Night A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 13.
  • Friday A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 29.
  • Friday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 13.
  • Saturday Mostly sunny, with a high near 31.
  • Saturday Night Partly cloudy, with a low around 13.
  • Sunday Mostly sunny, with a high near 31.
  • Sunday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 14.
  • Monday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 29.