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City of Mountain Home, IDMountain Home, ID Weather Forecast
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Mountain Home Weather Forecast
| REST OF TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
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| Mostly Sunny | Partly Cloudy | Chance of Showers | Increasing Clouds | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of Showers | Mostly Clear | Mostly Clear | Chance of Showers | Partly Cloudy |
| Hi: 98°FHi: 37°C | Lo: 67°FLo: 19°C | Hi: 97°FHi: 36°C | Lo: 63°FLo: 17°C | Hi: 84°FHi: 29°C | Lo: 59°FLo: 15°C | Hi: 86°FHi: 30°C | Lo: 54°FLo: 12°C | Hi: 79°FHi: 26°C Lo: 52°FLo: 11°C | Hi: 79°FHi: 26°C Lo: 52°FLo: 11°C | Hi: 86°FHi: 30°C | Hi: 86°FHi: 30°C Lo: 55°FLo: 13°C |
| POP: 30% | POP: 30% | POP: 50% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1120 AM MDT Wed Aug 26 2026 
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Issued: 222 PM MDT Wed Aug 26 2026
Key Messages
- Isolated afternoon thunderstorms today and Thursday, mainly forming over the central Idaho mountains, and southern Twin Falls County.
- Thunderstorms capable of producing gusty erratic outflow winds up to 40 mph.
- Scattered showers and isolated thunderstorms over southwest Idaho on Friday and Saturday capable of producing wetting rains.
Aviation
/18Z Wednesday through Thursday/... Issued 1117 AM MDT WED AUG 26 2026 VFR. Isolated showers and virga during in the lower Snake Plain (KBOI-KONO...