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| THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY |
 |  | |  |  |  |  |  | | | | |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Clearing | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Mostly Sunny |
| Hi: 70°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Hi: 75°FHi: 24°C Lo: 45°FLo: 7°C | Hi: 75°FHi: 24°C Lo: 45°FLo: 7°C | Hi: 79°FHi: 26°C Lo: 49°FLo: 9°C | Hi: 79°FHi: 26°C Lo: 49°FLo: 9°C | Hi: 80°FHi: 27°C Lo: 50°FLo: 10°C | Hi: 80°FHi: 27°C Lo: 50°FLo: 10°C | Hi: 80°FHi: 27°C |
| POP: 50% | POP: 70% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1232 PM MDT Sat Sep 19 2026 
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Issued: 228 PM MDT Sat Sep 19 2026
Key Messages
- Active with scattered to numerous showers and thunderstorms into the weekend. Strong to marginally severe thunderstorms may return to the area as a potent Pacific storm system moves into Wyoming Saturday and Saturday night.
- Much cooler temperatures expected to return on Sunday with cloudy skies and wetting rainfall expected for most locations.
Aviation
/18Z TAFS THROUGH 18Z SUNDAY/... Issued at 1140 AM MDT Sat Sep 19 2026
Some light showers are starting to develop over the mountains sou...