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Ruby Weather Forecast
| REST OF TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  |  |  |  |  |  | | | | | |
| Thunderstorms | Chance of T-Storm | Chance of Showers | Partly Cloudy | Clearing | Mostly Clear | Mostly Sunny | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C |
| POP: 70% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1011 AM EDT Thu Sep 03 2026 
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Issued: 958 AM EDT Thu Sep 3 2026
Key Messages
- Warm and humid again today with heat indices in the 90s, the warmest of which will be found closer to the MI/OH border and into the Metro region.
- There is a Marginal to Slight Risk for severe weather today. Severe weather development will be possible at all times today, but most favorable timing will be this afternoon into late tonight.
- Shower and thunderstorm chances continue into tomorrow.
Watches / Warnings / Advisories
/WARNINGS/ADVISORIES... MI...None. Lake Huron...None. Lake St C...