Johnson County, WY Weather Forecast
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Johnson County Weather Forecast
| REST OF TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
| Clear | Partly Cloudy | Clearing | Mostly Sunny | Partly Cloudy | Partly Cloudy | Chance of T-Storm | Clearing | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Mostly Sunny |
| Lo: 41°FLo: 5°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 45°FLo: 7°C | Hi: 75°FHi: 24°C |
| POP: 30% | POP: 40% | POP: 30% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1231 AM MDT Tue Sep 15 2026 

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Issued: 400 AM MDT Tue Sep 15 2026
Key Messages
- A mainly dry and seasonable day today. A few showers are possible in southern Wyoming this evening and tonight.
- Increasing monsoonal moisture increases the chance of showers starting on Wednesday, with Thursday and Friday looking like the most active days.
- Temperatures will remain near to above normal through most of the week, with a cool down likely for the weekend.
Discussion
... Issued at 149 AM MDT Tue Sep 15 2026
The last two nights I used music to describe the weather of the day. ...
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