Weather WorldAlta, WY Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Alta Weather Forecast
| REST OF TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  |  |  |  |  |  | | | | | |
| Fog | Mostly Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Clearing | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Clearing |
| Lo: 31°FLo: -1°C | Hi: 59°FHi: 15°C | Lo: 35°FLo: 2°C | Hi: 59°FHi: 15°C | Lo: 39°FLo: 4°C | Hi: 59°FHi: 15°C | Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 59°FHi: 15°C |
| POP: 30% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1217 AM MDT Mon Sep 21 2026 
Alta Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Alta Weather Map
Alta Quick Facts
Alta Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 130 AM MDT Mon Sep 21 2026
Key Messages
- Temperatures will be a bit chilly come Monday morning, with lows in the 30s and middle 40s with closer to seasonable temperatures in the afternoon.
- Areas of fog are possible Monday morning across much of central and western Wyoming, especially in low-lying areas.
- Apart from shower and thunderstorm chances (40% to 70%) on Tuesday afternoon and evening, this work week is forecast to be dry with above average temperatures returning by Thursday.
Discussion
... Issued at 130 AM MDT Mon Sep ...