Riley, OR Weather Forecast
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Riley Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
| Mostly Sunny | Mostly Clear | Mostly Sunny | Clearing | Sunny | Increasing Clouds | Chance of Showers | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Patchy Fog |
| Hi: 77°FHi: 25°C | Lo: 44°FLo: 7°C | Hi: 77°FHi: 25°C | Lo: 47°FLo: 8°C | Hi: 84°FHi: 29°C | Lo: 50°FLo: 10°C | Hi: 69°FHi: 21°C | Hi: 64°FHi: 18°C Lo: 36°FLo: 2°C | Hi: 64°FHi: 18°C Lo: 36°FLo: 2°C | Hi: 65°FHi: 18°C Lo: 38°FLo: 3°C | Hi: 65°FHi: 18°C Lo: 38°FLo: 3°C | Lo: 36°FLo: 2°C |
| POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 130 AM PDT Tue Sep 22 2026 

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Issued: 1049 AM MDT Tue Sep 22 2026
Key Messages
- Warm temperatures through Thursday, with values 10 to 15 degrees above normal Thursday.
- Chance of showers and thunderstorms Tuesday, mostly across higher terrain of southwest Idaho.
- Cooler temperatures heading into this weekend with a chance of precipitation across SE Oregon and portions of SW Idaho Friday.
Aviation
/18Z Tuesday through Wednesday/... Issued 1049 AM MDT TUE SEP 22 2026
VFR with high clouds. Isolated showers/thunderstorms this afternoon. Mainly near KTWF/KJER, over the Ce...
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