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Lake Lorraine Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
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| Hazy | Hazy | Hazy | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Rain Showers | Partly Cloudy | Partly Cloudy |
| Lo: 66°FLo: 19°C | Hi: 99°FHi: 37°C | Lo: 70°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 56°FLo: 13°C | Hi: 70°FHi: 21°C Lo: 56°FLo: 13°C | Hi: 70°FHi: 21°C Lo: 56°FLo: 13°C | Hi: 89°FHi: 32°C Lo: 56°FLo: 13°C | Hi: 89°FHi: 32°C Lo: 56°FLo: 13°C | Hi: 89°FHi: 32°C | Hi: 80°FHi: 27°C Lo: 56°FLo: 13°C | Hi: 80°FHi: 27°C Lo: 56°FLo: 13°C |
| POP: 20% | POP: 70% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 420 PM PDT Thu Aug 20 2026 
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Lake Lorraine Forecast Discussion
Issued: 454 PM PDT Thu Aug 20 2026
Key Messages
- A Heat Advisory has been issued for Friday afternoon through evening due to very warm temperatures and widespread Major HeatRisk.
- Weekend system brings thunder threat and gusty winds, resulting in critical fire weather concerns.
Discussion
... Thursday: High pressure continues to build over the Inland Northwest continues to keep things warm and dry. Temperatures today will warm into the mid to high 90s, bringing a Moderate chance of HeatRisk to the Inland ...