Grays Corner, IL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grays Corner, IL in one place.
Mostly sunny, with a high near 95. Heat index values as high as 100. South southwest wind 1 to 6 mph.
Local Weather Overview
This forecast page for Grays Corner, 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: Sep 15, 2026 5:17 PM CDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for Grays Corner, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 5:17 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Grays Corner
Thursday looks like the warmest upcoming period in Grays Corner at 97 degrees F.
Monday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Saturday at about 6 to 10 mph SSW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 5:17 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- 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 74. South wind around 5 mph.
Sunny, with a high near 97. West wind 2 to 7 mph.
Mostly clear, with a low around 72. North northeast wind 1 to 5 mph.
Sunny, with a high near 95. East northeast wind around 5 mph.
Mostly clear, with a low around 71.
Sunny, with a high near 97.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 72.
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 94.
A chance of showers and thunderstorms. Partly cloudy, with a low around 68.
A chance of showers and thunderstorms. Mostly sunny, with a high near 86.
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 64.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Mostly Sunny
|
95°F |
1 to 6 mph
SSW
|
|
Wednesday Night
Sep 16
|
Partly Cloudy
|
74°F |
5 mph
S
|
|
Thursday
Sep 17
|
Sunny
|
97°F |
2 to 7 mph
W
|
|
Thursday Night
Sep 17
|
Mostly Clear
|
72°F |
1 to 5 mph
NNE
|
|
Friday
Sep 18
|
Sunny
|
95°F |
5 mph
ENE
|
|
Friday Night
Sep 18
|
Mostly Clear
|
71°F |
6 mph
ESE
|
|
Saturday
Sep 19
|
Sunny
|
97°F |
6 to 10 mph
SSW
|
|
Saturday Night
Sep 19
|
Partly Cloudy then Slight Chance Rain Showers
|
72°F |
7 mph
SSW
|
|
Sunday
Sep 20
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
94°F |
5 to 10 mph
W
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
68°F |
5 to 8 mph
ESE
|
|
Monday
Sep 21
|
Chance Showers And Thunderstorms
|
86°F |
5 to 9 mph
WSW
|
|
Monday Night
Sep 21
|
Chance Showers And Thunderstorms
|
64°F |
8 mph
NNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grays Corner.