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Madison County, ID Weather Forecast
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Madison County Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY |
 |  |  |  |  | | | | | | |
| Chance of Rain | Clouds | Clearing | Mostly Clear | Sunny | Clear | Clear | Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Hi: 49°FHi: 9°C | Lo: 30°FLo: -1°C | Hi: 54°FHi: 12°C | Lo: 32°FLo: 0°C | Hi: 62°FHi: 17°C | Hi: 64°FHi: 18°C Lo: 35°FLo: 2°C | Hi: 64°FHi: 18°C Lo: 35°FLo: 2°C | Hi: 64°FHi: 18°C Lo: 35°FLo: 2°C | Hi: 65°FHi: 18°C Lo: 37°FLo: 3°C | Hi: 65°FHi: 18°C Lo: 37°FLo: 3°C | Hi: 65°FHi: 18°C Lo: 37°FLo: 3°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1231 AM MDT Tue Oct 13 2026 
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Issued: 925 PM MDT Mon Oct 12 2026
Key Messages
- Raw & Chilly Through Tuesday: A deep upper-level trough will keep dense cloud cover, additional light precipitation, and unseasonably cool temperatures locked over eastern Idaho, with daytime highs limited to the 40s and 50s.
- Late Week Ridge & Pleasant Next Weekend: High pressure ridging brings clearing skies and temperatures warming to seasonal norms by Thursday and Friday, setting up a much more pleasant weekend.
Discussion
... Issued at 115 PM MDT Mon Oct 12 2026
The second surge of ...