Weather World
Town of Alpine, WYAlpine, WY Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Alpine Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  |  |  |  |  | | | | | | |
| Chance of T-Storm | Chance of T-Storm | Clearing | Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy | Chance of T-Storm | Clearing | Clearing | Sunny | Partly Cloudy |
| Hi: 60°FHi: 16°C | Lo: 31°FLo: -1°C | Hi: 61°FHi: 16°C | Lo: 31°FLo: -1°C | Hi: 70°FHi: 21°C | Lo: 39°FLo: 4°C | Hi: 71°FHi: 22°C | Lo: 40°FLo: 4°C | Hi: 71°FHi: 22°C | Lo: 39°FLo: 4°C | Hi: 75°FHi: 24°C | Lo: 40°FLo: 4°C |
| POP: 60% | POP: 30% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 646 AM MDT Sat Sep 19 2026 
Alpine Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Alpine Weather Map
Alpine Quick Facts
Alpine Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 901 AM MDT Sat Sep 19 2026
Key Messages
- A weather system treks across Wyoming today and brings showers and thunderstorms to the area, especially the northern half of Wyoming, as early as 12PM and continues into Sunday. A few stronger thunderstorms could have hail.
- The primary threat in any shower or thunderstorm will be heavy rainfall, with localized flash flooding possible, through Sunday. The best chances (60% to 80%) for flooding is along and north of a Powell to Kaycee line.
- Cooler temperatures are expected to close ou...