Lamont, ID Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Lamont Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
| Mostly Clear | Sunny | Partly Cloudy | Sunny | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Rain | Mostly Clear | Mostly Clear | Sunny |
| Lo: 43°FLo: 6°C | Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 77°FHi: 25°C | Lo: 47°FLo: 8°C | Hi: 79°FHi: 26°C | Lo: 44°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 36°FLo: 2°C | Hi: 63°FHi: 17°C Lo: 37°FLo: 3°C | Hi: 63°FHi: 17°C Lo: 37°FLo: 3°C | Hi: 71°FHi: 22°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1231 PM MDT Wed Sep 09 2026 

Lamont Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Lamont Weather Map
Lamont Quick Facts
Lamont Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 417 PM MDT Wed Sep 9 2026
Key Messages
- Breezy & Warmer Thursday/Friday: High pressure breaks down on Thursday as a Pacific Northwest trough approaches, driving lower-elevation highs into the 80s alongside gusty winds that linger through Friday.
- Weekend Temperature Roller Coaster: Southerly flow pushes temperatures into the mid-80s on Saturday before a potent cold front triggers a 15 to 20 degree temperature drop on Sunday, holding daytime highs in the 50s and 60s.
- Weekend Rain Potential: Rain chances arrive Saturday night...
Weather World