Jantzer, OR Weather Forecast
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Jantzer Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY |
| Clearing | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Hi: 80°FHi: 27°C | Lo: 53°FLo: 12°C | Hi: 76°FHi: 24°C | Lo: 53°FLo: 12°C | Hi: 86°FHi: 30°C | Hi: 86°FHi: 30°C Lo: 56°FLo: 13°C | Hi: 86°FHi: 30°C Lo: 56°FLo: 13°C | Hi: 86°FHi: 30°C Lo: 56°FLo: 13°C | Hi: 86°FHi: 30°C Lo: 53°FLo: 12°C | Hi: 86°FHi: 30°C Lo: 53°FLo: 12°C | Hi: 86°FHi: 30°C Lo: 53°FLo: 12°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 239 AM PDT Fri Aug 21 2026 

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Issued: 108 AM PDT Fri Aug 21 2026
Key Messages
- Daytime highs today will be about 10 degrees cooler than yesterday, then stay around normal for this time of year through the weekend.
- Slight thunderstorm chances along the Cascades and into northern Klamath County this afternoon and evening.
- Heightened fire weather concerns today and Saturday due to low humidity and gusty afternoon/evening winds in the Shasta Valley and east of the Cascades.
- Seasonal weather is expected next week.
Discussion
...A deep, closed low sits just offshore of...
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