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Village of Algonquin, ILAlgonquin, IL Weather Forecast
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Algonquin Weather Forecast
| REST OF TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  | |  |  |  | | | | | |  |
| Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Partly Cloudy | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Showers |
| Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 65°FHi: 18°C | Lo: 50°FLo: 10°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C |
| POP: 20% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 120 AM CDT Thu Sep 24 2026 
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Issued: 220 AM CDT Thu Sep 24 2026
Key Messages
- Below average temperatures expected through the weekend before temperatures turn more seasonable early next week.
- No significant widespread precipitation chances are expected at this time until the middle of next week.
Discussion
... Issued at 220 AM CDT Thu Sep 24 2026
Forecast area remains on the northwestern periphery of an upper-level low which is progged to deepen across the mid- Atlantic region over the next couple of days. GOES water vapor imagery currently indicates a smaller-am...