Helldiver Lake, ID Weather Forecast
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Helldiver Lake Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
| Clearing | Sunny | Chance of Rain | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Rain | Mostly Clear | Mostly Clear | Partly Cloudy | Sunny | Partly Cloudy |
| Lo: 38°FLo: 3°C | Hi: 73°FHi: 23°C | Lo: 43°FLo: 6°C | Hi: 70°FHi: 21°C | Lo: 42°FLo: 6°C | Hi: 63°FHi: 17°C | Lo: 38°FLo: 3°C | Hi: 69°FHi: 21°C Lo: 39°FLo: 4°C | Hi: 69°FHi: 21°C Lo: 39°FLo: 4°C | Lo: 40°FLo: 4°C | Hi: 71°FHi: 22°C | Lo: 41°FLo: 5°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1232 PM MDT Tue Sep 15 2026 

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Issued: 202 PM MDT Tue Sep 15 2026
Key Messages
- Gradual warming trend into late in the week.
- Moisture returns with isolated to scattered showers and thunderstorms Wednesday night through Saturday.
Discussion
... Issued at 202 PM MDT Tue Sep 15 2026
Satellite imagery continues to show upper low along PacNW coast, slowing digging southeast. Southwest flow aloft remains in place over East Idaho, with warming temperatures for the next several days. Stream of high clouds over Nevada/Utah poised to begin rotating slightly north overnight t...
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