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Ada County Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY |
 |  | | | |  |  | |  | | |
| Windy | Patchy Fog | Patchy Fog | Patchy Fog | Patchy Fog | Mostly Clear | Mostly Clear | Mostly Clear | Chance of Showers | Mostly Clear | Mostly Clear |
| Hi: 71°FHi: 22°C | Lo: 45°FLo: 7°C | Hi: 71°FHi: 22°C | Lo: 44°FLo: 7°C | Hi: 78°FHi: 26°C | Hi: 78°FHi: 26°C Lo: 48°FLo: 9°C | Hi: 78°FHi: 26°C Lo: 48°FLo: 9°C | Hi: 78°FHi: 26°C Lo: 48°FLo: 9°C | Lo: 49°FLo: 9°C | Hi: 86°FHi: 30°C Lo: 51°FLo: 11°C | Hi: 86°FHi: 30°C Lo: 51°FLo: 11°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 230 AM MDT Sun Sep 13 2026 
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Issued: 614 AM MDT Sun Sep 13 2026
Key Messages
- Breezy and much cooler today, with lingering showers in northeast OR and the central ID mountains.
- Unsettled conditions through Friday, with rain showers over high terrain and slightly below normal temperatures.
- Slight warming and drying trend likely by next Saturday.
Aviation
/12Z Sunday through Monday/... Issued 608 AM MDT SUN SEP 13 2026
Mainly VFR. Lingering clouds and rain showers in central ID tapering off by early afternoon as the cold front moves northeast. Patchy valley fog tom...