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S V Reservoir Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 | |  |  | |  |  |  |  |  | | |
| Smoke | Smoke | Sunny | Mostly Clear | Sunny | Increasing Clouds | Partly Sunny | Chance of Showers | Clearing | Patchy Fog | Patchy Fog | Mostly Clear |
| Hi: 91°FHi: 33°C | Lo: 54°FLo: 12°C | Hi: 92°FHi: 33°C | Lo: 57°FLo: 14°C | Hi: 96°FHi: 36°C | Lo: 61°FLo: 16°C | Hi: 94°FHi: 34°C | Lo: 59°FLo: 15°C | Hi: 87°FHi: 31°C | Hi: 87°FHi: 31°C Lo: 51°FLo: 11°C | Hi: 87°FHi: 31°C Lo: 51°FLo: 11°C | Hi: 90°FHi: 32°C Lo: 53°FLo: 12°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1136 PM PDT Mon Aug 17 2026 
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Issued: 1210 AM MDT Tue Aug 18 2026
Key Messages
- Isolated showers and thunderstorms this afternoon over higher terrain, with gusty outflows up to 35 mph.
- Temperatures near or slightly above normal through mid-week, then heat amplifying for Thursday and Friday.
- Return of monsoon moisture Friday into the weekend will increase shower and thunderstorm chances once again.
Aviation
/06Z Tuesday through Wednesday/... Issued 1151 PM MDT MON AUG 17 2026 VFR with SCT-BKN high clouds. Patchy smoke SE Oregon and low...