Weather World
Town of Mammoth Lakes, CAMammoth Lakes, CA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Mammoth Lakes Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | MONDAY | TUESDAY |
 |  |  | | |  |  |  | | | |
| Chance of Showers | Chance of T-Storm | Showers | Chance of T-Storm | Chance of Showers | Clearing | Clear | Clear | Clear | Clear | Clear |
| Lo: 29°FLo: -2°C | Hi: 57°FHi: 14°C | Lo: 29°FLo: -2°C | Hi: 52°FHi: 11°C | Lo: 24°FLo: -4°C | Hi: 54°FHi: 12°C | Lo: 19°FLo: -7°C | Hi: 60°FHi: 16°C Lo: 22°FLo: -6°C | Hi: 60°FHi: 16°C Lo: 22°FLo: -6°C | Hi: 60°FHi: 16°C Lo: 22°FLo: -6°C | Hi: 60°FHi: 16°C Lo: 22°FLo: -6°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 231 PM PDT Tue Oct 20 2026 
Mammoth Lakes Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Mammoth Lakes Weather Map
Mammoth Lakes Quick Facts
Mammoth Lakes Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 108 PM PDT Tue Oct 20 2026
Key Messages
- Showers with embedded lightning will arrive this afternoon and evening along the Sierra and later today over Pershing and Churchill counties.
- A slow moving storm will bring widespread wetting rains and high elevation snow to the region Wednesday and Thursday.
- Cool but mainly dry Friday into the weekend. An unsettled pattern could bring a storm or two next week.
Discussion
...
An upper low with the center of circulation spinning off the central California coast is beginning to filter clo...