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City of Richfield, IDRichfield, ID Weather Forecast
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Richfield Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY |
 |  | | | |  |  |  |  | | | |
| Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Partly Cloudy | Chance of Rain | Chance of Rain | Mostly Clear | Mostly Clear | Sunny |
| Hi: 80°FHi: 27°C | Lo: 44°FLo: 7°C | Hi: 85°FHi: 29°C | Lo: 52°FLo: 11°C | Hi: 78°FHi: 26°C | Hi: 84°FHi: 29°C Lo: 48°FLo: 9°C | Hi: 84°FHi: 29°C Lo: 48°FLo: 9°C | Hi: 61°FHi: 16°C Lo: 44°FLo: 7°C | Hi: 61°FHi: 16°C Lo: 44°FLo: 7°C | Hi: 66°FHi: 19°C Lo: 38°FLo: 3°C | Hi: 66°FHi: 19°C Lo: 38°FLo: 3°C | Hi: 74°FHi: 23°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 226 AM MDT Wed Sep 09 2026 
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Issued: 136 AM MDT Wed Sep 9 2026
Key Messages
- Warming trend through Thursday will drive down afternoon humidity readings to critical fire weather levels at lower elevations.
- Approaching trough will increase wind on Thursday and Friday to critical fire weather levels. Red Flag Warning may be needed Thursday.
- Showers and thunderstorms may arrive as early as late Thursday night/Friday morning in the southern and eastern highlands.
Discussion
... Issued at 104 AM MDT Wed Sep 9 2026
Today through Fri night...High pressure slowly breaks ...