Corvallis High School, MT Weather Forecast
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Corvallis High School Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
| Patchy Fog | Patchy Fog | Mostly Cloudy | Clearing | Mostly Clear | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Rain | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 25°FLo: -4°C | Hi: 47°FHi: 8°C | Lo: 26°FLo: -3°C | Hi: 50°FHi: 10°C | Lo: 26°FLo: -3°C | Hi: 47°FHi: 8°C | Lo: 26°FLo: -3°C | Hi: 50°FHi: 10°C | Lo: 33°FLo: 1°C | Hi: 51°FHi: 11°C | Lo: 33°FLo: 1°C | Hi: 57°FHi: 14°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 103 PM MST Mon Nov 02 2026 

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Issued: 1217 PM MST Mon Nov 2 2026
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KEY MESSAGES:- Mild and quiet weather expected through Wednesday, though morning low clouds or valley fog is possible.
- Two weak systems bring showers Thursday and Friday with light dusting of snow above 5,000 feet, and westerly breezes.
- Mild and dry conditions return for the weekend, with morning fog remaining possible.
High pressure building over the region will lead to stagnant conditions and trapped surface moisture, creating a favorable setup for locally dense valley fog tonight i...
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