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Kernan, IL Weather Forecast
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Kernan Weather Forecast
| REST OF TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  |  |  | | |  |  | | | | |
| Chance of Showers | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Cloudy |
| Hi: 61°FHi: 16°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C |
| POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1146 AM CDT Tue Sep 22 2026 
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Issued: 1214 PM CDT Tue Sep 22 2026
Key Messages
- Spotty sprinkles/light showers possible in some areas today.
- Below average temperatures expected for the remainder of the work week.
Discussion
... Issued at 159 AM CDT Tue Sep 22 2026
Latest surface analysis places a broad ~1030 mb surface high from the northern Great Lakes eastward into Quebec. The western periphery of the high is progged to strengthen across the northern Lakes today, in association with strong subsidence and building mid-level heights in the wake of a positive-tilt s...