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Mack Lake Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | TUESDAY |
 |  |  | | |  |  | | | | | |
| Chance of T-Storm | Chance of T-Storm | Snow Showers | Snow Showers | Snow Showers | Mostly Clear | Mostly Clear | Clear | Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Lo: 40°FLo: 4°C | Hi: 48°FHi: 9°C | Lo: 36°FLo: 2°C | Hi: 43°FHi: 6°C | Lo: 32°FLo: 0°C | Hi: 46°FHi: 8°C Lo: 32°FLo: 0°C | Hi: 46°FHi: 8°C Lo: 32°FLo: 0°C | Hi: 49°FHi: 9°C Lo: 33°FLo: 1°C | Hi: 49°FHi: 9°C Lo: 33°FLo: 1°C | Hi: 52°FHi: 11°C Lo: 35°FLo: 2°C | Hi: 52°FHi: 11°C Lo: 35°FLo: 2°C | Hi: 52°FHi: 11°C Lo: 35°FLo: 2°C |
| POP: 50% | POP: 70% | POP: 100% | POP: 90% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 300 PM PDT Tue Oct 20 2026 
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Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 948 PM PDT Tue Oct 20 2026
Key Messages
- Multiple rounds of rain and storms expected over the Sierra, Lower Great Basin and NW Arizona this afternoon through Thursday. Flash Flooding possible under repeated storm activity.
- Increasing confidence for a dry conditions and seasonable temperatures this weekend.
Discussion
...Today through Next Monday.
An active weather pattern is setting up for the Desert Southwest this week as a strong trough slowly approaches the west coast impacting local weather through the end of the week. For...