Allendale, IL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Allendale, IL in one place.
Mostly sunny, with a high near 79. East northeast wind 3 to 7 mph.
Local Weather Overview
This forecast page for Allendale, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 28, 2026 11:11 PM CDT.
The active forecast window currently covers May 31 to Jun 4, 2026 for Allendale, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 31 to Jun 4, 2026
- Latest sync
- May 28, 2026 11:11 PM CDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Allendale
Thursday looks like the warmest upcoming period in Allendale at 84 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 9 mph NE.
The forecast from May 31 through Jun 4 stays mostly dry.
Forecast Details
- Last updated
- May 28, 2026 11:11 PM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- PAH
- Radar station
- KVWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 60. Northeast wind 1 to 5 mph.
Sunny, with a high near 83. North northeast wind 2 to 6 mph.
Mostly clear, with a low around 61. Northeast wind around 5 mph.
Sunny, with a high near 81. Northeast wind 5 to 9 mph.
Mostly clear, with a low around 58. East northeast wind 5 to 8 mph.
Sunny, with a high near 80. East northeast wind 6 to 9 mph.
Mostly clear, with a low around 59. East wind 3 to 8 mph.
Sunny, with a high near 84. South southeast wind around 6 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
May 31
|
Mostly Sunny
|
79°F |
3 to 7 mph
ENE
|
|
Sunday Night
May 31
|
Partly Cloudy
|
60°F |
1 to 5 mph
NE
|
|
Monday
Jun 1
|
Sunny
|
83°F |
2 to 6 mph
NNE
|
|
Monday Night
Jun 1
|
Mostly Clear
|
61°F |
5 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
81°F |
5 to 9 mph
NE
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
58°F |
5 to 8 mph
ENE
|
|
Wednesday
Jun 3
|
Sunny
|
80°F |
6 to 9 mph
ENE
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
59°F |
3 to 8 mph
E
|
|
Thursday
Jun 4
|
Sunny
|
84°F |
6 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Allendale.