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La Grange Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
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| Clear | Sunny | Partly Cloudy | Partly Cloudy | Mostly Clear | Sunny | Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Partly Cloudy |
| Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°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 | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 701 PM CDT Sun Oct 18 2026 
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Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 622 PM CDT Sun Oct 18 2026
Key Messages
- An extended period of dry and above to much above average temperatures through the next 7 days.
Discussion
... Issued at 1209 PM CDT Sun Oct 18 2026
Breezy southwesterly winds will abate around sunset early this evening. Another chilly night is anticipated as clear skies and light winds allow temperatures to drop into the mid-to-upper 30s and low 40s overnight, outside of the warmer Chicago metro area. Patchy frost may develop towards morning in the coldest locations; however, another F...