Weather WorldBoulder Lake, ID Weather Forecast
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Boulder Lake Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
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| Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Chance of Rain | Chance of T-Storm | Snow | Chance of Rain | Mostly Clear | Mostly Clear |
| Hi: 71°FHi: 22°C | Lo: 38°FLo: 3°C | Hi: 74°FHi: 23°C | Lo: 42°FLo: 6°C | Hi: 68°FHi: 20°C | Lo: 39°FLo: 4°C | Hi: 68°FHi: 20°C | Lo: 37°FLo: 3°C | Hi: 49°FHi: 9°C | Lo: 31°FLo: -1°C | Hi: 58°FHi: 14°C Lo: 33°FLo: 1°C | Hi: 58°FHi: 14°C Lo: 33°FLo: 1°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 226 AM MDT Wed Sep 09 2026 
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Issued: 456 AM MDT Wed Sep 9 2026
Key Messages
- Warming trend through Thursday will drive down afternoon humidity readings to critical fire weather levels at lower elevations.
- Approaching trough will increase wind on Thursday and Friday to critical fire weather levels. Red Flag Warning may be needed Thursday.
- Showers and thunderstorms may arrive as early as late Thursday night/Friday morning in the southern and eastern highlands.
Discussion
... Issued at 104 AM MDT Wed Sep 9 2026
Today through Fri night...High pressure slowly breaks ...