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Mariposa-Yosemite Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY |
 |  |  |  | |  | | | | | | |
| Sunny | Clear | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Mostly Clear |
| Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 93°FHi: 34°C | Lo: 71°FLo: 22°C | Hi: 86°FHi: 30°C | Lo: 67°FLo: 19°C | Hi: 87°FHi: 31°C Lo: 64°FLo: 18°C | Hi: 87°FHi: 31°C Lo: 64°FLo: 18°C | Hi: 86°FHi: 30°C | Hi: 81°FHi: 27°C Lo: 60°FLo: 16°C | Hi: 81°FHi: 27°C Lo: 60°FLo: 16°C | Hi: 81°FHi: 27°C Lo: 60°FLo: 16°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 346 AM PDT Wed Aug 26 2026 
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Issued: 1057 PM PDT Tue Aug 25 2026
Key Messages
1. Triple digit heat continues for the San Joaquin Valley this week. Moderate to Major Heat Risk expected with a Heat Advisory in effect through Wednesday evening, mainly Fresno County southward.
2. Extreme Heat Warning in effect for the Mojave Desert through Wednesday evening with Major Heat Risk expected. An 70 to 0 percent probability of temperatures of 105 degrees or hotter with little overnight relief.
3. Moisture tracking over the region in the late week period will bring a 10 to...