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Thornapple Lake Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
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| Mostly Sunny | Chance of T-Storm | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 90°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 60°FLo: 16°C |
| POP: 30% | POP: 60% | POP: 50% | POP: 50% | POP: 50% | POP: 40% | POP: 40% | POP: 30% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 747 AM EDT Tue Sep 01 2026 
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Issued: 647 AM EDT Tue Sep 1 2026
Key Messages
- Small chances for showers and storms today
- Additional shower and storm chances Wednesday through Friday
- Above normal temperatures through the 7 day forecast
Discussion
... Issued at 354 AM EDT Tue Sep 1 2026- Small chances for showers and storms today
Light southwest flow is in place this morning along with dew points around 70F. Upstream a cold front is situated from the U.P. southwest across Wisconsin and into Iowa. We remain in the warm sector today with building instability. MUCAPE v...