Wiggins Percolation Basin, CA Weather Forecast
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Wiggins Percolation Basin Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
| Mostly Sunny | Mostly Clear | Mostly Sunny | Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Mostly Clear |
| Hi: 101°FHi: 38°C | Lo: 69°FLo: 21°C | Hi: 102°FHi: 39°C | Lo: 69°FLo: 21°C | Hi: 101°FHi: 38°C | Lo: 70°FLo: 21°C | Hi: 101°FHi: 38°C | Lo: 71°FLo: 22°C | Hi: 103°FHi: 39°C | Lo: 72°FLo: 22°C | Hi: 104°FHi: 40°C | Lo: 72°FLo: 22°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1207 AM PDT Fri Aug 21 2026 

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Wiggins Percolation Basin Forecast Discussion
Issued: 232 AM PDT Fri Aug 21 2026
Discussion
...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...
...UPDATED AVIATION DISCUSSION...
.SHORT TERM (Today through Sunday)... A Mesoscale Convective Vortex that was initiated by thunderstorms over Arizona last night is now tracking toward the northwest and north in the southerly flow between the low pressure system off the West Coast and high pressure over the Rockies. Showers have developed over portions of w...
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