Weather WorldFairfield, ID Weather Forecast
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Fairfield Weather Forecast
| REST OF TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY |
 |  | |  | |  | | | | | |
| Mostly Sunny | Smoke | Smoke | Mostly Clear | Sunny | Patchy Fog | Patchy Fog | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Hi: 80°FHi: 27°C | Lo: 46°FLo: 8°C | Hi: 65°FHi: 18°C | Lo: 32°FLo: 0°C | Hi: 68°FHi: 20°C | Lo: 34°FLo: 1°C | Hi: 72°FHi: 22°C | Hi: 77°FHi: 25°C Lo: 40°FLo: 4°C | Hi: 77°FHi: 25°C Lo: 40°FLo: 4°C | Hi: 77°FHi: 25°C Lo: 40°FLo: 4°C | Hi: 77°FHi: 25°C Lo: 40°FLo: 4°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 744 AM MDT Sat Sep 12 2026 
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Issued: 606 AM MDT Sat Sep 12 2026
Key Messages
- Warm and mostly dry today ahead of a strong cold front late tonight with scattered showers, isolated thunderstorms, high elevation snow, and gusty westerly winds.
- Breezy and much cooler Sunday, with lingering showers in northeast OR and the central ID mountains.
- Unsettled cool conditions through the middle of next week, then a warming and drying trend likely for the weekend.
Aviation
/12Z Saturday through Sunday/... Issued 601 AM MDT SAT SEP 12 2026
VFR through this evening. Cold front ...