Grass Roots, MI Weather Forecast
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Grass Roots Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Partly Cloudy | Partly Cloudy | Chance of T-Storm | Chance of Showers | Mostly Sunny | Mostly Clear | Partly Cloudy | Showers Likely | Chance of T-Storm | Partly Cloudy | Partly Cloudy | Mostly Clear |
| Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C |
| POP: 50% | POP: 30% | POP: 60% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 326 AM EDT Sat Aug 15 2026 

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Issued: 644 AM EDT Sat Aug 15 2026
Key Messages
- Gradually increasing chances for showers and possibly some thunderstorms through tomorrow. Heavy rainfall leading to localized flooding is possible, mainly along and south of the I-94 corridor.
- Dry early next week before showers return Wednesday.
Aviation
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Ongoing convection over northern IL/IN maintains a stream of mid/high cloud into SE MI for much day. Some scattered showers/storms attempt to develop on the northern edge of this activity this evening ...
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