Weis Lake, IL Weather Forecast
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Weis Lake Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
| Partly Sunny | Mostly Clear | Sunny | Clear | Sunny | Clear | Clear | Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Sunny |
| Hi: 41°FHi: 5°C | Lo: 25°FLo: -4°C | Hi: 45°FHi: 7°C | Lo: 25°FLo: -4°C | Hi: 49°FHi: 9°C | Hi: 51°FHi: 11°C Lo: 29°FLo: -2°C | Hi: 51°FHi: 11°C Lo: 29°FLo: -2°C | Hi: 51°FHi: 11°C Lo: 29°FLo: -2°C | Lo: 30°FLo: -1°C | Hi: 59°FHi: 15°C Lo: 39°FLo: 4°C | Hi: 59°FHi: 15°C Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 435 AM CST Fri Nov 13 2026 

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Issued: 535 AM CST Fri Nov 13 2026
Key Messages
- The first snow flakes of the season are possible for locations northeast of a Bloomington to Mattoon line until this evening. Any accumulations will be minor and confined to grassy, elevated surfaces.
- Below normal temperatures will prevail through the weekend with temperatures gradually warming back above normal by the middle to end of next work week.
Discussion
... Issued at 218 AM CST Fri Nov 13 2026
A large scale, slow moving upper level low remains anchored over the northeast U.S., ...
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