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Plain Tank Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY |
 |  | | | | | | | | |  | |
| Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Sunny | Chance of Showers | Mostly Sunny |
| Lo: 68°FLo: 20°C | Hi: 90°FHi: 32°C | Lo: 70°FLo: 21°C | Hi: 92°FHi: 33°C | Lo: 70°FLo: 21°C | Hi: 93°FHi: 34°C | Hi: 90°FHi: 32°C Lo: 68°FLo: 20°C | Hi: 90°FHi: 32°C Lo: 68°FLo: 20°C | Hi: 90°FHi: 32°C Lo: 68°FLo: 20°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 76°FHi: 24°C |
| POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 300 PM MST Mon Oct 05 2026 
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Issued: 1236 PM PDT Mon Oct 5 2026
Key Messages
- Well above-normal temperatures will persist through Friday, with dangerous heat expected in Death Valley.
- Confidence is increasing in a pattern change for the weekend, with a transition to cooler and gusty conditions along with chances for shower activity.
Discussion
...through Monday.
A broad high pressure ridge will remain entrenched across the Western US through Friday, with well above-normal continuing. Highs are forecast to be 5-12 degrees above normal throughout the week, with the...