Allendale, IL Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Allendale, IL in one place.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Partly sunny, with a high near 83. Southwest wind 13 to 16 mph, with gusts as high as 24 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: Apr 11, 2026 10:23 PM CDT.
The active forecast window currently covers Apr 15 to Apr 18, 2026 for Allendale, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 18, 2026
- Latest sync
- Apr 11, 2026 10:23 PM CDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Allendale
Friday looks like the warmest upcoming period in Allendale at 84 degrees F.
Thursday Night is the coolest period ahead with temperatures near 61 degrees F.
The strongest winds are forecast for Wednesday at about 13 to 16 mph SW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 11, 2026 10:23 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
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 65. Southwest wind 8 to 12 mph, with gusts as high as 18 mph.
Showers and thunderstorms likely. Partly sunny, with a high near 79. Southwest wind 8 to 12 mph, with gusts as high as 18 mph.
Showers and thunderstorms likely. Partly cloudy, with a low around 61. South southwest wind around 8 mph.
A slight chance of rain showers before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 84. South wind 6 to 13 mph, with gusts as high as 18 mph.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. South southwest wind around 10 mph, with gusts as high as 18 mph.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 74. West wind 10 to 15 mph, with gusts as high as 23 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 15
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
83°F |
13 to 16 mph
SW
|
|
Wednesday Night
Apr 15
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
65°F |
8 to 12 mph
SW
|
|
Thursday
Apr 16
|
Showers And Thunderstorms Likely
|
79°F |
8 to 12 mph
SW
|
|
Thursday Night
Apr 16
|
Showers And Thunderstorms Likely
|
61°F |
8 mph
SSW
|
|
Friday
Apr 17
|
Chance Showers And Thunderstorms
|
84°F |
6 to 13 mph
S
|
|
Friday Night
Apr 17
|
Chance Showers And Thunderstorms
|
61°F |
10 mph
SSW
|
|
Saturday
Apr 18
|
Chance Showers And Thunderstorms
|
74°F |
10 to 15 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Allendale.