Weather WorldJefferson County, ID Weather Forecast
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Jefferson County Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
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| Chance of Rain | Mostly Clear | Partly Sunny | Partly Cloudy | Mostly Cloudy | Rain and Snow | Rain and Snow | Snow and Rain | Mostly Sunny | Chance of Snow | Snow and Rain | Snow |
| Hi: 47°FHi: 8°C | Lo: 29°FLo: -2°C | Hi: 48°FHi: 9°C | Lo: 31°FLo: -1°C | Hi: 49°FHi: 9°C | Lo: 34°FLo: 1°C | Hi: 41°FHi: 5°C | Lo: 26°FLo: -3°C | Hi: 39°FHi: 4°C | Lo: 27°FLo: -3°C | Hi: 39°FHi: 4°C | Lo: 28°FLo: -2°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1132 AM MST Sat Nov 14 2026 
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Issued: 1158 AM MST Sat Nov 14 2026
Key Messages
- Drier conditions quickly settle in through Sunday
- Rain and snow slowly moves into the central mountains Monday, then spreads east through Tuesday
- Much colder temperatures arrive, with some potential for at least seeing snow falling at lower elevations
Discussion
... Issued at 1109 AM MST Sat Nov 14 2026
We have been watching widespread rain and snow this morning quickly diminishing, with pockets of light precipitation/showers continuing. By this evening, we are expecting just a few show...