Stewart Lake, UT Weather Forecast
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Stewart Lake Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | SATURDAY |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 79°FHi: 26°C | Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C Lo: 50°FLo: 10°C |
| POP: 50% | POP: 50% | POP: 50% | POP: 20% | POP: 20% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1239 AM MDT Sun Aug 23 2026 

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Issued: 338 AM MDT Sun Aug 23 2026
Key Messages
.KEY MESSAGES, Issued 1013 PM MDT Sat Aug 22 2026...- There is a Marginal Risk (level 1/4) for excessive rainfall across most of the region through the weekend.
- A Slight Risk (level 2/5) for severe thunderstorms is outlooked for Sunday afternoon and evening across much of northern Utah. There is a 10% chance of wind gusts in excess of 70 mph with these thunderstorms Sunday afternoon and evening.
Aviation
, Issued 1013 PM MDT Sat Aug 22 2026...
KSLC...Showers and isolated thunderstorms wi...
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