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Lake Joallan Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY |
 |  |  |  | |  | | | | | | |
| Sunny | Clear | Becoming Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Mostly Clear |
| Hi: 100°FHi: 38°C | Lo: 65°FLo: 18°C | Hi: 99°FHi: 37°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 61°FLo: 16°C | Hi: 91°FHi: 33°C | Lo: 59°FLo: 15°C | Hi: 91°FHi: 33°C | Hi: 89°FHi: 32°C Lo: 55°FLo: 13°C | Hi: 89°FHi: 32°C Lo: 55°FLo: 13°C | Hi: 89°FHi: 32°C Lo: 55°FLo: 13°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 346 AM PDT Wed Aug 26 2026 
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Issued: 1101 AM PDT Wed Aug 26 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 0 to 70 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...