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Southwick Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | TUESDAY | WEDNESDAY |
 |  |  |  |  | | | | | |
| Chance of Showers | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Sunny |
| Hi: 75°FHi: 24°C | Lo: 53°FLo: 12°C | Hi: 75°FHi: 24°C | Lo: 50°FLo: 10°C | Hi: 76°FHi: 24°C | Hi: 80°FHi: 27°C Lo: 50°FLo: 10°C | Hi: 80°FHi: 27°C Lo: 50°FLo: 10°C | Hi: 80°FHi: 27°C Lo: 50°FLo: 10°C | Hi: 80°FHi: 27°C Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C |
| POP: 40% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 209 AM PDT Thu Sep 17 2026 
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Issued: 446 AM PDT Thu Sep 17 2026
Key Messages
- 30-60 percent chance of showers and 20 percent chance of thunderstorms over southeastern WA and the central ID Panhandle Thursday evening into Friday.
- Warm temperatures Thursday through Monday with afternoon highs in the mid 70s to low 80s. Temperatures cool to near normal by the middle of next week.
Discussion
... Thursday and Friday: A closed upper level low over northern California wobbles northeastward into eastern Oregon Thursday, increasing moisture over southeastern WA and the c...