Cascade, ID Weather Forecast
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Cascade Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
| Fog | Sunny | Fog | Sunny | Fog | Sunny | Partly Cloudy | Sunny | Partly Cloudy | Sunny | Mostly Clear | Mostly Clear |
| Lo: 39°FLo: 4°C | Hi: 68°FHi: 20°C | Lo: 42°FLo: 6°C | Hi: 68°FHi: 20°C | Lo: 43°FLo: 6°C | Hi: 71°FHi: 22°C | Lo: 46°FLo: 8°C | Hi: 70°FHi: 21°C | Lo: 43°FLo: 6°C | Hi: 72°FHi: 22°C | Hi: 73°FHi: 23°C Lo: 47°FLo: 8°C | Hi: 73°FHi: 23°C Lo: 47°FLo: 8°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 230 PM MDT Mon Sep 28 2026 

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Issued: 531 PM MDT Mon Sep 28 2026
Key Messages
- Breezy northwest winds in the Snake Plain each afternoon through Wednesday.
- Fair skies and warmer temperatures through this weekend.
Aviation
/00Z Tuesday through Wednesday/... Issued 527 PM MDT MON SEP 28 2026
VFR. Patchy morning fog/low stratus in sheltered mountain valleys Tuesday morning. Surface winds: SW-NW 5-15 kt, gusts to 25 kt from KBOI to the south/east through evening. Winds aloft at 10kft MSL: NW 5-15 kt.
KBOI...VFR. Surface winds: W-NW 10-15 kt with gusts to 20-25 kt, lower...
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