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Market Square Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | WEDNESDAY |
 |  |  |  |  | | | | | | |
| Chance of Rain | Chance of Rain | Clearing | Clear | Sunny | Clear | Sunny | Clear | Clear | Mostly Clear | Mostly Clear |
| Hi: 71°FHi: 22°C | Lo: 56°FLo: 13°C | Hi: 76°FHi: 24°C | Lo: 52°FLo: 11°C | Hi: 81°FHi: 27°C | Lo: 54°FLo: 12°C | Hi: 82°FHi: 28°C | Hi: 86°FHi: 30°C Lo: 57°FLo: 14°C | Hi: 86°FHi: 30°C Lo: 57°FLo: 14°C | Hi: 88°FHi: 31°C Lo: 59°FLo: 15°C | Hi: 88°FHi: 31°C Lo: 59°FLo: 15°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 201 AM PDT Thu Sep 03 2026 
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Issued: 1254 PM PDT Wed Sep 2 2026
Key Messages
- Well below normal temperatures persist through this week
- Wet weather continues this week, thunderstorms and scattered showers, scattered showers for mainly Shasta County today, becoming widespread north of I-80 Thursday
- Showers continue on Friday over the Sierra and southern Cascades and adjacent foothills
- Mainly dry Saturday, with some mountain showers Sunday, mainly north of I-80
- There is the potential for some remnant tropical system moisture next week, but confidence in details r...