Sugar Island, IL Weather Forecast
Local 7-day forecast
Mostly Cloudy then Chance Rain
Track current conditions, temperature changes, wind, and the full daily outlook for Sugar Island, IL in one place.
A chance of rain and a slight chance of thunderstorms after noon. Mostly cloudy, with a high near 60. Northeast wind 0 to 10 mph. Chance of precipitation is 50%.
Local Weather Overview
This forecast page for Sugar Island, 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: Nov 9, 2026 10:11 PM CST.
The active forecast window currently covers Nov 11 to Nov 16, 2026 for Sugar Island, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 11 to Nov 16, 2026
- Latest sync
- Nov 9, 2026 10:11 PM CST
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Sugar Island
Veterans Day looks like the warmest upcoming period in Sugar Island at 60 degrees F.
Friday Night is the coolest period ahead with temperatures near 26 degrees F.
The strongest winds are forecast for Thursday at about 10 to 15 mph NNW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 9, 2026 10:11 PM CST
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain. Mostly cloudy, with a low around 39. North northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
A chance of rain. Mostly cloudy, with a high near 46. Chance of precipitation is 40%.
A chance of rain before 3am, then a slight chance of snow. Mostly cloudy, with a low around 28.
A chance of snow before noon, then a slight chance of rain and snow. Partly sunny, with a high near 43.
Partly cloudy, with a low around 26.
Sunny, with a high near 45.
Mostly clear, with a low around 27.
A slight chance of rain after noon. Sunny, with a high near 50.
Partly cloudy, with a low around 33.
Mostly sunny, with a high near 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Veterans Day
Nov 11
|
Mostly Cloudy then Chance Rain
|
60°F |
0 to 10 mph
NE
|
|
Wednesday Night
Nov 11
|
Chance Rain
|
39°F |
10 mph
NNW
|
|
Thursday
Nov 12
|
Chance Rain
|
46°F |
10 to 15 mph
NNW
|
|
Thursday Night
Nov 12
|
Chance Rain then Slight Chance Snow
|
28°F |
5 to 10 mph
NNW
|
|
Friday
Nov 13
|
Chance Snow
|
43°F |
5 to 10 mph
NNW
|
|
Friday Night
Nov 13
|
Partly Cloudy
|
26°F |
0 to 5 mph
NW
|
|
Saturday
Nov 14
|
Sunny
|
45°F |
0 to 5 mph
NW
|
|
Saturday Night
Nov 14
|
Mostly Clear
|
27°F |
0 mph
|
|
Sunday
Nov 15
|
Sunny then Slight Chance Rain
|
50°F |
0 to 5 mph
SSW
|
|
Sunday Night
Nov 15
|
Partly Cloudy
|
33°F |
0 mph
|
|
Monday
Nov 16
|
Mostly Sunny
|
57°F |
0 to 5 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sugar Island.