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Upper Lake Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  |  | | | | |  |  | | | |
| Partly Cloudy | Mostly Clear | Mostly Sunny | Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Partly Cloudy |
| Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C |
| POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 627 AM CDT Thu Sep 17 2026 
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Issued: 613 AM CDT Thu Sep 17 2026
Key Messages
Issued at 1249 AM CDT Thu Sep 17 2026- High temperatures in the middle to upper 90s will continue through the week and into the weekend, with dry conditions expected throughout.
- Slight rainfall chances return early next week, but confidence and coverage remain unclear at this point.
- Minor relief from the heat may be possible next week, primarily in the form of overnight lows in the 60s across our northern zones.
Discussion
... Issued at 1249 AM CDT Thu Sep 17 2026
It may be something of ...