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

Overnight

Partly Cloudy

Partly
Cloudy

Low: 15 °C

Tuesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 31 °C

Tuesday
Night

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 16 °C

Wednesday

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

High: 28 °C

Wednesday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 13 °C

Thursday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 30 °C

Thursday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

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

Detailed Forecast

  • Overnight Partly cloudy, with a low around 15. Calm wind.
  • Tuesday A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 31. Calm wind.
  • Tuesday Night A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 16. Calm wind.
  • Wednesday A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 28. Calm wind.
  • Wednesday Night A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 13. Calm wind.
  • Thursday A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 30.
  • Thursday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 13.
  • Friday A 20 percent chance of showers and thunderstorms. 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.