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City of Heyburn, IDHeyburn, ID Weather Forecast
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Heyburn Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY | SATURDAY |
 | |  |  | | | | | | | |
| Smoke | Smoke | Mostly Clear | Sunny | Clear | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 42°FLo: 6°C | Hi: 69°FHi: 21°C | Lo: 41°FLo: 5°C | Hi: 76°FHi: 24°C | Hi: 81°FHi: 27°C Lo: 48°FLo: 9°C | Hi: 81°FHi: 27°C Lo: 48°FLo: 9°C | Hi: 81°FHi: 27°C Lo: 48°FLo: 9°C | Hi: 81°FHi: 27°C Lo: 48°FLo: 9°C | Hi: 81°FHi: 27°C Lo: 48°FLo: 9°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 107 PM MDT Sat Sep 12 2026 
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Issued: 210 PM MDT Sat Sep 12 2026
Key Messages
- Red Flag Warning in effect this afternoon and evening for Fire Weather Zone 427 (South portion of Sawtooth NF) for low humidity and gusty wind.
- Windy Sunday for portions of the Upper Snake River Plain. A Wind Advisory is in effect.
- Temperatures cool 10-15 degrees into Monday, then warm through the remainder of the week.
- Quite a bit of uncertainty into the end of the week regarding precipitation potential.
Discussion
... Issued at 210 PM MDT Sat Sep 12 2026
Satellite imagery shows closed...