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Riordan Lake Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
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| Chance of Showers | Chance of Showers | Chance of Showers | Thunderstorms | Chance of Showers | Patchy Fog | Partly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Sunny | Partly Cloudy | Partly Sunny |
| Lo: 61°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 60°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°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: 75°FHi: 24°C |
| POP: 50% | POP: 20% | POP: 40% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 612 PM EDT Sat Aug 29 2026 
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Issued: 453 PM EDT Sat Aug 29 2026
Key Messages
- Rain chances and coverage increase tonight into Sunday with locally heavy rainfall possible along/south of M-72.
- Additional rain and seasonably warm temperatures expected next week.
Discussion
... Issued at 258 PM EDT Sat Aug 29 2026
Pattern Synopsis:
Highly-amplified ridging spanning from central Canada down into the Midwest and Great Lakes will continue to slide east through the remainder of this weekend into early next week. Multiple waves/jet maxima embedded in the mid/upper-level fl...