Island Grove, IL Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Island Grove, IL in one place.
A slight chance of rain showers. Mostly cloudy, with a high near 57. North wind 7 to 10 mph, with gusts as high as 16 mph. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Island Grove, 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 4, 2026 4:08 AM CDT.
The active forecast window currently covers May 6 to May 10, 2026 for Island Grove, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 6 to May 10, 2026
- Latest sync
- May 4, 2026 4:08 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Island Grove
Saturday looks like the warmest upcoming period in Island Grove at 72 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 39 degrees F.
The strongest winds are forecast for Friday at about 9 to 15 mph WSW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- May 4, 2026 4:08 AM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers before 7pm. Mostly cloudy, with a low around 39. North northwest wind 6 to 9 mph.
Mostly sunny, with a high near 63.
Partly cloudy, with a low around 44.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 67.
A chance of showers and thunderstorms. Partly cloudy, with a low around 44.
A slight chance of rain showers before 7am. Sunny, with a high near 72.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 49.
A chance of rain showers. Mostly sunny, with a high near 71.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
May 6
|
Slight Chance Rain Showers
|
57°F |
7 to 10 mph
N
|
|
Wednesday Night
May 6
|
Slight Chance Rain Showers then Mostly Cloudy
|
39°F |
6 to 9 mph
NNW
|
|
Thursday
May 7
|
Mostly Sunny
|
63°F |
6 to 12 mph
WNW
|
|
Thursday Night
May 7
|
Partly Cloudy
|
44°F |
6 to 9 mph
SW
|
|
Friday
May 8
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
67°F |
9 to 15 mph
WSW
|
|
Friday Night
May 8
|
Chance Showers And Thunderstorms
|
44°F |
5 to 9 mph
W
|
|
Saturday
May 9
|
Slight Chance Rain Showers then Sunny
|
72°F |
9 mph
WSW
|
|
Saturday Night
May 9
|
Partly Cloudy then Slight Chance Rain Showers
|
49°F |
7 mph
SW
|
|
Sunday
May 10
|
Chance Rain Showers
|
71°F |
8 to 12 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Island Grove.