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Simpson Junior High School Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  |  | | | | |  | | | | |
| Mostly Clear | Mostly Sunny | Partly Cloudy | Sunny | Clear | Sunny | Clear | Partly Cloudy | Clearing | Mostly Sunny | Mostly Clear | Mostly Sunny |
| Lo: 45°FLo: 7°C | Hi: 70°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 257 PM EDT Sat Oct 03 2026 
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Issued: 256 PM EDT Sat Oct 3 2026
Key Messages
- Cool tonight with lows in the lower 40s to upper 30s. Narrow band of light showers possible late tonight into Sunday morning mainly north of I-69.
- Seasonable highs Sunday near 70 degrees.
- Below normal temperatures arrive Monday with highs only near 60 and lows falling into the 30s. Chance for frost is possible Monday night particularly over the Saginaw Valley/Thumb.
Discussion
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High pressure centered over northern lower MI has maintained a pleasant fall day across SE MI. East-northea...