Big Butte Reservoir Number Two, ID Weather Forecast
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Big Butte Reservoir Number Two Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT |
| Chance of T-Storm | Windy | Mostly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Clear | Mostly Clear | Chance of Rain | Chance of Rain | Chance of T-Storm | Chance of T-Storm | Chance of Rain |
| Lo: 53°FLo: 12°C | Hi: 72°FHi: 22°C | Lo: 50°FLo: 10°C | Hi: 73°FHi: 23°C | Lo: 50°FLo: 10°C | Hi: 77°FHi: 25°C Lo: 51°FLo: 11°C | Hi: 77°FHi: 25°C Lo: 51°FLo: 11°C | Lo: 54°FLo: 12°C | Hi: 76°FHi: 24°C | Lo: 54°FLo: 12°C | Hi: 71°FHi: 22°C | Lo: 48°FLo: 9°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 106 PM MDT Tue Sep 01 2026 

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Issued: 933 PM MDT Tue Sep 1 2026
Key Messages
- Showers and thunderstorms continue for the next few days with gusty winds and heavy downpours possible
- Critical to near-critical fire weather conditions due to thunderstorms through this evening and wind/humidity Wednesday
- Rain chances increase this weekend and early next week as monsoon moistures increases due to potential tropical connections
Discussion
... Issued at 1154 AM MDT Tue Sep 1 2026
As low pressure settles along the coast for the next several days, we will see multiple "rip...
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