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Upper Lake Weather Forecast
| THIS AFTERNOON | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  |  |  | |  |  | | | | | |
| Partly Cloudy | Mostly Cloudy | Chance of T-Storm | Mostly Clear | Partly Cloudy | Partly Cloudy | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Cloudy |
| 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: 91°FHi: 33°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 132 PM CDT Sun Sep 20 2026 
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Issued: 118 PM CDT Sun Sep 20 2026
Key Messages
Issued at 115 PM CDT Sun Sep 20 2026- Persistent dry weather and lower humidity will present fire danger concerns through this evening. Please adhere to burn bans provided by local officials.
- Scattered thunderstorm chances return tonight and through Monday as a slow moving frontal boundary begins to move in.
- Slightly cooler and drier air arrive by mid-week in the wake of the front and despite the return of upper level high pressure.
Discussion
... Issued at 115 PM CDT Sun Sep 20 2026
The...