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Upper Lake Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Sunny | Mostly Clear |
| Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | 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: 71°FLo: 22°C |
| POP: 50% | POP: 50% | POP: 20% | POP: 30% | POP: 30% | POP: 50% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 251 AM CDT Tue Aug 18 2026 
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Issued: 1221 AM CDT Tue Aug 18 2026
Key Messages
Updated at 1221 AM CDT Tue Aug 18 2026
- A Heat Advisory is in effect for inland areas with a targeted Extreme Heat Warning for coastal zones Tuesday afternoon into the evening for heat indices of 105-115. Additional heat advisories will likely be needed through much of the week.
- There is a Moderate risk of rip currents for area beaches in Florida and Alabama through Wednesday.
Discussion
... Issued at 1221 AM CDT Tue Aug 18 2026
The ridge continues to bring ...