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John Long Trail Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
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| Mostly Sunny | Chance of Rain | Mostly Cloudy | Mostly Cloudy | Chance of Rain | Chance of T-Storm | Chance of T-Storm | Chance of Snow | Chance of Rain | Mostly Clear | Mostly Sunny | Partly Cloudy |
| Hi: 75°FHi: 24°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 36°FLo: 2°C | Hi: 66°FHi: 19°C | Lo: 36°FLo: 2°C | Hi: 50°FHi: 10°C | Lo: 35°FLo: 2°C | Hi: 55°FHi: 13°C | Lo: 35°FLo: 2°C | Hi: 60°FHi: 16°C | Lo: 36°FLo: 2°C |
| POP: 70% | POP: 20% | POP: 70% | POP: 90% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1222 AM MDT Thu Sep 10 2026 
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Issued: 106 AM MDT Thu Sep 10 2026
Discussion
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KEY MESSAGES:- Today will be the warmest day before the change back to fall- like weather.
- Choppy lake conditions today due to westerly winds between 15 and 25 mph, and locally higher speeds expected over the Divide.
- Stiff northeast winds are possible Friday night through Saturday creating choppy conditions on area lakes.
- Cutoff Low brings widespread rain, with snow above 6000 feet Saturday night into Sunday.
The synoptic setup for the next few days is interesting. A strong low pressu...