Lyman, ID Weather Forecast
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Lyman Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
| Mostly Cloudy | Windy | Mostly Clear | Sunny | Partly Cloudy | Windy | Windy | Clear | Clear | Sunny | Partly Cloudy | Mostly Clear |
| Lo: 53°FLo: 12°C | Hi: 79°FHi: 26°C | Lo: 47°FLo: 8°C | Hi: 81°FHi: 27°C | Lo: 52°FLo: 11°C | Hi: 68°FHi: 20°C Lo: 40°FLo: 4°C | Hi: 68°FHi: 20°C Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C Lo: 39°FLo: 4°C | Hi: 70°FHi: 21°C | Lo: 42°FLo: 6°C | Hi: 76°FHi: 24°C Lo: 44°FLo: 7°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1232 PM MDT Thu Sep 10 2026 

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Issued: 142 PM MDT Thu Sep 10 2026
Key Messages
- Breezy and dry afternoon surface conditions continue to bring Red Flag conditions to portions of East Idaho today, and potentially Friday as well.
- Light showers possible overnight into Friday morning across the eastern highlands, then a higher potential for precipitation Saturday night into Sunday.
- Cooling trend expected into the weekend, with coolest temperatures expected Sunday.
Discussion
... Issued at 142 PM MDT Thu Sep 10 2026
Satellite imagery shows broad but shallow upper trough ...
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