Colusa High School, CA Weather Forecast
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Colusa High School Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | TUESDAY |
| Sunny | Clear | Partly Cloudy | Mostly Cloudy | Partly Cloudy | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Hi: 95°FHi: 35°C | Lo: 62°FLo: 17°C | Hi: 94°FHi: 34°C | Lo: 63°FLo: 17°C | Hi: 93°FHi: 34°C | Lo: 61°FLo: 16°C | Hi: 91°FHi: 33°C | Hi: 89°FHi: 32°C Lo: 59°FLo: 15°C | Hi: 89°FHi: 32°C Lo: 59°FLo: 15°C | Hi: 89°FHi: 32°C Lo: 59°FLo: 15°C | Hi: 89°FHi: 32°C Lo: 59°FLo: 15°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 201 AM PDT Wed Aug 19 2026 

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Colusa High School Forecast Discussion
Issued: 1218 PM PDT Tue Aug 18 2026
Key Messages
- Elevated Fire Weather Conditions Friday through Saturday within the Burney Basin due to low RH and breezy westerly winds.
- Dry and seasonably warm through the week and into the weekend.
Discussion
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Current synoptic pattern aloft has a ridge of high pressure across the four corners of the United States, with southwesterly flow over California. Satellite/observations have sunny conditions this afternoon, with temperatures hovering in the 80s to lower 90s. H...
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