Allendale, IL Weather Forecast
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Allendale Weather Forecast
| OVERNIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
| Mostly Clear | Sunny | Clear | Sunny | Clear | Clear | Clear | Sunny | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Sunny |
| Lo: 30°FLo: -1°C | Hi: 51°FHi: 11°C | Lo: 29°FLo: -2°C | Hi: 51°FHi: 11°C | Lo: 29°FLo: -2°C | Hi: 59°FHi: 15°C Lo: 31°FLo: -1°C | Hi: 59°FHi: 15°C Lo: 31°FLo: -1°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 157 AM CST Sat Nov 14 2026 

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Issued: 1219 AM CST Sat Nov 14 2026
Key Messages
- High pressure will lead to plenty of sunshine but chilly temperatures this weekend with highs only reaching the low to mid 50s and lows falling into the mid to upper 20s.
- Dry conditions are forecast through next Friday along with a gradual warming trend, with temperatures reaching near normal by Tuesday and above normal late in the week. There is a high probability (60-80% chance) of temperatures reaching 70 degrees by next Friday/Saturday.
Discussion
... Issued at 1219 AM CST Sat Nov ...
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