Allendale, IL Weather Forecast

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Allendale, IL Weather Forecast

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Allendale IL weather  - Clear - 34°F
Clear
34°F
Updated 2:45 am
Feels Like 28°F
Humidity 81%
Wind NW 8 mph
Barometer  30.17 in
Dew Point 29°F
Allendale IL weather  - Clear - 1°C
Clear
1°C
Updated 2:45 am
Feels Like -2°C
Humidity 81%
Wind NW 13 km/h
Barometer  102.2 kPa
Dew Point -2°C

Allendale Weather Forecast

OVERNIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY TUESDAY WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY
Allendale, IL Weather - Overnight Mostly Clear Allendale, IL Weather - Saturday Sunny Allendale, IL Weather - Saturday Night Clear Allendale, IL Weather - Sunday Sunny Allendale, IL Weather - Sunday Night Clear Allendale, IL Weather - Monday Clear Allendale, IL Weather - Tuesday Clear Allendale, IL Weather - Wednesday Sunny Allendale, IL Weather - Wednesday Night Partly Cloudy Allendale, IL Weather - Thursday Mostly Cloudy Allendale, IL Weather - Thursday Night Mostly Cloudy Allendale, IL Weather - Friday Partly Sunny
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 Allendale, IL Weather - WeatherWorld.com

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Allendale Forecast Discussion

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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 ...