Weather WorldFisher Lake, IL Weather Forecast
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Fisher Lake Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY |
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| Sunny | Clear | Sunny | Clear | Sunny | Partly Cloudy | Mostly Sunny | Mostly Cloudy | Mostly Sunny | Mostly Cloudy | Mostly Cloudy | Partly Sunny |
| Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Hi: 71°FHi: 22°C Lo: 50°FLo: 10°C | Hi: 71°FHi: 22°C Lo: 50°FLo: 10°C | Hi: 61°FHi: 16°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 337 AM CDT Wed Oct 21 2026 
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Issued: 259 AM CDT Wed Oct 21 2026
Key Messages
- Dry conditions and tranquil weather to prevail across central and southeast Illinois through Monday.
- Above normal temperatures will dominate the region today through Monday, with afternoon highs climbing into the 70s.
Discussion
... Issued at 300 AM CDT Wed Oct 21 2026
The nice fall weather looks to continue through Monday across central and southeast IL, favorable weather for harvesting and outdoor activities.
The 08Z/3 am surface map shows 1032 mb high pressure over the southern Quebec...