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Sisters of Mercy Weather Forecast
| REST OF TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  |  | | | | |  |  | | | |
| Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 59°FLo: 15°C | Hi: 76°FHi: 24°C | Lo: 60°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 66°FHi: 19°C Lo: 59°FLo: 15°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 902 PM PDT Tue Aug 18 2026 
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Sisters of Mercy Forecast Discussion
Issued: 942 PM PDT Tue Aug 18 2026
Key Messages
Updated at 218 PM PDT Tue Aug 18 2026- Modestly compressed marine layer through midweek
- Near normal temperatures through Wednesday followed by a slight cooling
- Elevations above about 1000 feet will remain warm overnight
Aviation
... (06Z TAFS) Issued at 942 PM PDT Tue Aug 18 2026
Currently a mixed bag of LIFR-VFR. Prevailing persistence forecast tonight with little change in the pattern or marine layer. As such, IFR ceilings are forecast to impact all termin...