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| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
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| Thunderstorms | Thunderstorms | Thunderstorms | Thunderstorms | Sunny | Partly Cloudy | Partly Cloudy | Mostly Cloudy | Chance of T-Storm | Chance of Showers | Chance of Showers | Partly Cloudy |
| Hi: 60°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 55°FHi: 13°C | Lo: 31°FLo: -1°C | Hi: 60°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 65°FHi: 18°C | Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C | Hi: 65°FHi: 18°C Lo: 39°FLo: 4°C |
| POP: 90% | POP: 90% | POP: 60% | POP: 10% | POP: 70% | POP: 50% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1244 AM MDT Fri Sep 18 2026 
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Issued: 1140 AM MDT Fri Sep 18 2026
Key Messages
.KEY MESSAGES, Issued 1110 AM MDT Fri Sep 18 2026...- Periods of showers and thunderstorms will continue tonight into Friday, with the best coverage over northern Utah and southwest Wyoming. Hail, heavy rain, and lightning will be the primarily threats. Flash flooding remains a threat as well.
- A weak cold front will bring drier conditions with more seasonable temperatures Saturday through the remainder of the weekend.
- Moisture is expected to increase again Tuesday, with another period...