Allendale, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Allendale, IL in one place.
Sunny, with a high near 90. West northwest wind around 2 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: Jul 12, 2026 12:49 PM CDT.
The active forecast window currently covers Jul 15 to Jul 18, 2026 for Allendale, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 12:49 PM CDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Allendale
Thursday looks like the warmest upcoming period in Allendale at 91 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 72 degrees F.
The strongest winds are forecast for Saturday at about 5 to 12 mph WSW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 12, 2026 12:49 PM CDT
- Coverage
- 4 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
Mostly clear, with a low around 72. West southwest wind around 2 mph.
Sunny, with a high near 91. West wind 1 to 5 mph.
Mostly clear, with a low around 72. West southwest wind around 3 mph.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. West southwest wind 2 to 7 mph.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 73. Southwest wind around 7 mph.
Sunny, with a high near 91. West southwest wind 5 to 12 mph.
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 73. Southwest wind 7 to 10 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Sunny
|
90°F |
2 mph
WNW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
72°F |
2 mph
WSW
|
|
Thursday
Jul 16
|
Sunny
|
91°F |
1 to 5 mph
W
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
72°F |
3 mph
WSW
|
|
Friday
Jul 17
|
Sunny then Slight Chance Showers And Thunderstorms
|
91°F |
2 to 7 mph
WSW
|
|
Friday Night
Jul 17
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
73°F |
7 mph
SW
|
|
Saturday
Jul 18
|
Sunny
|
91°F |
5 to 12 mph
WSW
|
|
Saturday Night
Jul 18
|
Mostly Clear then Slight Chance Showers And Thunderstorms
|
73°F |
7 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Allendale.