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Shasta Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
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| Chance of Rain | Chance of Rain | Chance of Rain | Chance of Rain | Rain | Chance of Rain | Chance of Rain | Chance of Rain | Chance of Rain | Clear | Mostly Sunny | Clear |
| Hi: 68°FHi: 20°C | Lo: 51°FLo: 11°C | Hi: 67°FHi: 19°C | Lo: 53°FLo: 12°C | Hi: 68°FHi: 20°C | Lo: 50°FLo: 10°C | Hi: 71°FHi: 22°C | Hi: 73°FHi: 23°C Lo: 50°FLo: 10°C | Hi: 73°FHi: 23°C Lo: 50°FLo: 10°C | Lo: 52°FLo: 11°C | Hi: 78°FHi: 26°C | Hi: 80°FHi: 27°C Lo: 54°FLo: 12°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 800 AM PDT Tue Sep 01 2026 
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Issued: 1102 AM PDT Tue Sep 1 2026
Key Messages
- Well below normal temperatures persist through this week.
- Increasing confidence in wet weather this week, starting in Shasta County this evening into Wednesday with isolated thunderstorms and scattered showers, widespread north of I-80 Thursday and Friday
- Mainly dry Saturday, with the potential for some remnant tropical system moisture Sunday through early next week, but confidence in details remains low at this point, with showers south of I-80 currently forecast.
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