Harvard, ID Weather Forecast
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| REST OF TONIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY |
| Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Rain Showers | Chance of Showers | Mostly Clear | Mostly Clear | Mostly Clear | Chance of Showers | Chance of Showers | Chance of Showers |
| Lo: 45°FLo: 7°C | Hi: 73°FHi: 23°C | Lo: 47°FLo: 8°C | Hi: 60°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 70°FHi: 21°C | Hi: 76°FHi: 24°C Lo: 46°FLo: 8°C | Hi: 76°FHi: 24°C Lo: 46°FLo: 8°C | Hi: 76°FHi: 24°C Lo: 46°FLo: 8°C | Hi: 73°FHi: 23°C | Lo: 47°FLo: 8°C | Hi: 70°FHi: 21°C |
| POP: 20% | POP: 50% | POP: 100% | POP: 100% | POP: 70% | POP: 20% | POP: 20% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1133 PM PDT Sat Sep 05 2026 

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Issued: 1108 PM PDT Sat Sep 5 2026
Key Messages
- Cool and showery weather expected through Labor Day Weekend with isolated thunderstorms.
- A warming and drying trend returns around the middle of next week.
Discussion
... Today through Monday: The slow moving low continues to move over the region. Precipitable water amounts continue to rise to 0.8-1.0 by Monday. The increasing moisture will bring a steady stream of clouds across the region. As the low moves east, the moisture swath shifts away from the Cascades and more over the Idaho ...
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