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Thunder Mountain Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | TUESDAY | WEDNESDAY |
 | | |  |  |  |  | | | |
| Smoke | Smoke | Smoke | Clear | Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Clear | Clear |
| Hi: 79°FHi: 26°C | Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 80°FHi: 27°C | Lo: 54°FLo: 12°C | Hi: 83°FHi: 28°C Lo: 57°FLo: 14°C | Hi: 83°FHi: 28°C Lo: 57°FLo: 14°C | Hi: 85°FHi: 29°C Lo: 55°FLo: 13°C | Hi: 85°FHi: 29°C Lo: 55°FLo: 13°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 231 AM PDT Thu Sep 17 2026 
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Issued: 1253 AM PDT Thu Sep 17 2026
Key Messages
- Light rain with a low chance of afternoon thunderstorms persists near the Oregon border today. Dry and breezy elsewhere.
- Smoke may lead to periods of degraded air quality across the Reno area, Tahoe Basin, and eastern Sierra today and Friday.
- Warm and dry weather prevails Friday into the weekend. Rain and thunderstorm chances may return to the Sierra south of Tahoe early next week.
Discussion
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A compact upper low churning in northern California is noted on latest moisture-channel ima...