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Lambert, IL Weather Forecast
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Lambert Weather Forecast
| OVERNIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  |  |  | | |  | | | | |  |
| Mostly Clear | Mostly Sunny | Partly Cloudy | Mostly Cloudy | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Sunny | Clear | Sunny | Partly Cloudy | Partly Cloudy |
| Lo: 49°FLo: 9°C | Hi: 80°FHi: 27°C | Lo: 49°FLo: 9°C | Hi: 79°FHi: 26°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C Lo: 50°FLo: 10°C | Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 80°FHi: 27°C | Hi: 79°FHi: 26°C Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C Lo: 51°FLo: 11°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 117 AM CDT Sun Oct 25 2026 
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Issued: 147 AM CDT Sun Oct 25 2026
Key Messages
- Comfortably mild and pleasant conditions are forecast for the next 7 days.
- Dry weather continues through the workweek, with rain chances returning to the forecast for Halloween weekend.
Discussion
... Issued at 147 AM CDT Sun Oct 25 2026
Upper-level ridging remains centered over the Quad State region today into early next week, while a large area of surface high pressure has firm control over the northeast. Highs will continue to be in the mid to upper 70s with lows around the mid-40s. ...