Basin, WY Weather Forecast
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| REST OF TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Clearing | Clear | Mostly Sunny | Chance of T-Storm | Clearing | Mostly Clear | Mostly Sunny |
| Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 70°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 75°FHi: 24°C | Lo: 50°FLo: 10°C | Hi: 79°FHi: 26°C | Lo: 50°FLo: 10°C | Hi: 80°FHi: 27°C |
| POP: 30% | POP: 60% | POP: 60% | POP: 30% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 331 AM MDT Sat Sep 19 2026 

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Issued: 423 AM MDT Sat Sep 19 2026
Key Messages
- Deep moisture and a weather system moving toward and over Wyoming will bring areas of showers and thunderstorms today, with the most numerous over Northern Wyoming.
- Heavy rain is possible with any shower or thunderstorm, with local flooding possible, with the best chance along and north of a Powell to Kaycee line.
- Most of next week looks dry with above normal temperatures, except for a chance of showers Tuesday night or Wednesday.
Discussion
... Issued at 243 AM MDT Sat Sep 19 2026
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