Alpha, ID Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Alpha Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
| Increasing Clouds | Chance of Showers | Partly Cloudy | Mostly Sunny | Mostly Cloudy | Chance of T-Storm | Chance of Showers | Mostly Sunny | Patchy Fog | Patchy Fog | Partly Cloudy | Partly Cloudy |
| Lo: 53°FLo: 12°C | Hi: 68°FHi: 20°C | Lo: 38°FLo: 3°C | Hi: 59°FHi: 15°C | Lo: 40°FLo: 4°C | Hi: 62°FHi: 17°C | Lo: 40°FLo: 4°C | Hi: 61°FHi: 16°C | Hi: 61°FHi: 16°C Lo: 38°FLo: 3°C | Hi: 61°FHi: 16°C Lo: 38°FLo: 3°C | Hi: 63°FHi: 17°C Lo: 40°FLo: 4°C | Hi: 63°FHi: 17°C Lo: 40°FLo: 4°C |
| POP: 30% | POP: 30% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 230 PM MDT Thu Sep 24 2026 

Alpha Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Alpha Weather Map
Alpha Quick Facts
Alpha Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1140 PM MDT Thu Sep 24 2026
Key Messages
- Hot and windy this afternoon.
- Cold front to pass through eastern Oregon Friday morning and western Idaho Friday afternoon. Front will bring gusty northwest winds, sharply cooling temperatures, and brief showers and isolated thunderstorms to northern and western areas.
- Mostly cloudy and cool Saturday and Sunday.
- Sunny and warmer Monday, then partly cloudy, breezy, and cooler Tuesday.
- Dry and gradually warmer Wednesday through Friday.
Aviation
/06Z Friday through Saturday/... Issued 1139...
Weather World