Clay County, IL Weather Forecast
County weather hub
Sunny
Compare major city weather across Clay County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 78. Northeast wind 5 to 13 mph, with gusts as high as 18 mph.
County Weather Overview
This county weather page brings together forecast coverage for Clay County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in Clay County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jun 2 to Jun 8, 2026
- Latest sync
- Jun 1, 2026 9:01 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Clay County
Saturday looks like the warmest upcoming period in Clay County at 85 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 13 mph NE.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 1, 2026 9:01 PM CDT
- Coverage
- 7 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
Clear, with a low around 54. East northeast wind 3 to 10 mph, with gusts as high as 16 mph.
Sunny, with a high near 79. East wind around 5 mph.
Mostly clear, with a low around 57. Southeast wind around 3 mph.
Sunny, with a high near 83. South wind 2 to 8 mph.
Mostly clear, with a low around 62. South wind around 7 mph.
Mostly sunny, with a high near 83.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 66.
A slight chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
A chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 2
|
Sunny
|
78°F |
5 to 13 mph
NE
|
|
Tuesday Night
Jun 2
|
Clear
|
54°F |
3 to 10 mph
ENE
|
|
Wednesday
Jun 3
|
Sunny
|
79°F |
5 mph
E
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
57°F |
3 mph
SE
|
|
Thursday
Jun 4
|
Sunny
|
83°F |
2 to 8 mph
S
|
|
Thursday Night
Jun 4
|
Mostly Clear
|
62°F |
7 mph
S
|
|
Friday
Jun 5
|
Mostly Sunny
|
83°F |
5 to 10 mph
SSW
|
|
Friday Night
Jun 5
|
Partly Cloudy then Slight Chance Rain Showers
|
66°F |
8 mph
S
|
|
Saturday
Jun 6
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
85°F |
6 to 9 mph
SSW
|
|
Saturday Night
Jun 6
|
Chance Showers And Thunderstorms
|
67°F |
7 mph
SSW
|
|
Sunday
Jun 7
|
Chance Showers And Thunderstorms
|
84°F |
5 to 8 mph
S
|
|
Sunday Night
Jun 7
|
Chance Showers And Thunderstorms
|
68°F |
7 mph
SSE
|
|
Monday
Jun 8
|
Chance Showers And Thunderstorms
|
85°F |
6 to 9 mph
SSE
|
Major City Forecasts
Live forecast snapshots for major cities across Clay County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Clay County.
Largest mapped city population in this region: 4,831.