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Lake Jaycee, IL Weather Forecast
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Lake Jaycee Weather Forecast
| OVERNIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  |  |  |  |  |  |  | | | | |
| Clear | Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Showers Likely | Chance of Showers | Clearing | Mostly Clear | Clear | Clear | Sunny |
| Lo: 61°FLo: 16°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C Lo: 35°FLo: 2°C | Hi: 61°FHi: 16°C Lo: 35°FLo: 2°C | Hi: 71°FHi: 22°C |
| POP: 80% | POP: 60% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 127 AM CDT Tue Oct 13 2026 
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Issued: 1247 AM CDT Tue Oct 13 2026
Key Messages
- We will again see near record to record temperatures with both highs today and warm low readings tonight.
- 60% to 80% chances of showers and some thunderstorms will spread across our entire region Wednesday. 30% to 70% chances will continue Wednesday night and Thursday, ranging from lowest near the Missouri/Arkansas and west Kentucky/Tennesse borders to highest near Interstate 64. 20% to 40% chances will linger across all but southern portions of west Kentucky Thursday night.
- It will ...