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Lake County, IllinoisLake County, IL Weather Forecast
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Lake County Weather Forecast
| REST OF TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  |  | |  |  |  | |  |  | | |
| Patchy Fog | Chance of Showers | Chance of Showers | Showers | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Clearing | Clearing | Partly Cloudy | Clearing |
| Lo: 31°FLo: -1°C | Hi: 45°FHi: 7°C | Lo: 39°FLo: 4°C | Hi: 49°FHi: 9°C | Lo: 40°FLo: 4°C | Hi: 69°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 60°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C |
| POP: 20% | POP: 60% | POP: 70% | POP: 20% | POP: 90% | POP: 90% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 807 PM CST Tue Mar 03 2026 
Lake County Radar Loop
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