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McGregor Lake Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
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| Partly Cloudy | Partly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Rain | Rain | Chance of Snow |
| Hi: 75°FHi: 24°C | Lo: 36°FLo: 2°C | Hi: 75°FHi: 24°C | Lo: 36°FLo: 2°C | Hi: 75°FHi: 24°C | Lo: 40°FLo: 4°C | Hi: 75°FHi: 24°C | Lo: 36°FLo: 2°C | Hi: 70°FHi: 21°C | Lo: 35°FLo: 2°C | Hi: 56°FHi: 13°C | Lo: 30°FLo: -1°C |
| POP: 30% | POP: 60% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1222 AM MDT Mon Oct 05 2026 
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Issued: 128 AM MDT Mon Oct 5 2026
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KEY MESSAGES:- Very warm start to the week, followed by mild conditions most of the week.
- Break down of the ridge coming next weekend.
- Snow potential coming late next weekend and early next week.
Warm and dry through Friday are the expected conditions, with temperatures at times running 15 to 20 degrees above normal. Today and Tuesday a flattening of the ridge will allow for an uptick in westerly winds.
The ridge rebuilds by Wednesday with stability returning to the valleys and winds b...