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| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | THURSDAY |
 |  |  | | | | | | | | | |
| Partly Cloudy | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Lo: 68°FLo: 20°C | Hi: 91°FHi: 33°C | Lo: 66°FLo: 19°C | Hi: 90°FHi: 32°C | Lo: 64°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 58°FLo: 14°C | Hi: 84°FHi: 29°C | Hi: 84°FHi: 29°C Lo: 60°FLo: 16°C | Hi: 84°FHi: 29°C Lo: 60°FLo: 16°C | Hi: 84°FHi: 29°C Lo: 60°FLo: 16°C | Hi: 84°FHi: 29°C Lo: 60°FLo: 16°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 716 PM PDT Thu Sep 10 2026 
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Issued: 955 PM PDT Thu Sep 10 2026
Key Messages
- The warming trend peaks Today with an Extreme Heat Warning in effect. Temperatures cool into and through the weekend.
- Spotty storm activity will be possible in the Sierra Nevada and higher elevations of eastern San Bernardino today.
- Breezy south-southwesterly wind gusts expected across the region Friday through the weekend. With reduced humidities leading to fire weather concerns.
Discussion
...Through Wednesday
Temperatures and HeatRisk peak today as afternoon highs look to peak around...