Gardner Lake, ID Weather Forecast
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Gardner Lake Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY |
| Chance of T-Storm | Partly Cloudy | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Partly Cloudy | Sunny | Partly Cloudy | Mostly Clear | Mostly Clear |
| Hi: 64°FHi: 18°C | Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 40°FLo: 4°C | Hi: 67°FHi: 19°C | Hi: 66°FHi: 19°C Lo: 40°FLo: 4°C | Hi: 66°FHi: 19°C Lo: 40°FLo: 4°C | Lo: 41°FLo: 5°C | Hi: 68°FHi: 20°C | Lo: 43°FLo: 6°C | Hi: 67°FHi: 19°C Lo: 41°FLo: 5°C | Hi: 67°FHi: 19°C Lo: 41°FLo: 5°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1232 AM MDT Mon Sep 28 2026 

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Issued: 546 AM MDT Mon Sep 28 2026
Key Messages
- Showers East of I-15: A brief round of showers and isolated thunderstorms today primarily along and east of the I-15 corridor, focusing over the Eastern Highlands.
- Noticeably Cooler Today: Showers exit rapidly today with clearing skies. Post-frontal air will drop valley daytime highs into the 60sroughly 10 degrees cooler than yesterday`s readings.
- Early October Warming Trend: High pressure builds over the Intermountain West starting Wednesday, keeping the remainder of the 7-day forec...
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