Clay County, IL Weather Forecast
County weather hub
Scattered Rain Showers
Compare major city weather across Clay County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Scattered rain showers before 4pm. Cloudy, with a high near 65. Southeast wind 3 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
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
- Nov 1 to Nov 7, 2026
- Latest sync
- Oct 31, 2026 7:31 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Clay County
Tuesday looks like the warmest upcoming period in Clay County at 74 degrees F.
Friday Night is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Tuesday at about 14 to 18 mph S.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 31, 2026 7:31 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
Cloudy, with a low around 51. Southeast wind around 7 mph.
Cloudy, with a high near 69. South southeast wind 7 to 12 mph, with gusts as high as 20 mph.
Mostly cloudy, with a low around 58. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Rain showers likely. Mostly cloudy, with a high near 74. South wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Rain showers likely before midnight, then showers and thunderstorms likely. Mostly cloudy, with a low around 55. South wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 47. Chance of precipitation is 30%.
A slight chance of rain showers. Mostly sunny, with a high near 67.
A slight chance of rain showers after midnight. Partly cloudy, with a low around 45.
Partly sunny, with a high near 65.
Mostly cloudy, with a low around 43.
Partly sunny, with a high near 66.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Nov 1
|
Scattered Rain Showers
|
65°F |
3 to 10 mph
SE
|
|
Sunday Night
Nov 1
|
Cloudy
|
51°F |
7 mph
SE
|
|
Monday
Nov 2
|
Cloudy
|
69°F |
7 to 12 mph
SSE
|
|
Monday Night
Nov 2
|
Mostly Cloudy
|
58°F |
10 to 15 mph
SSE
|
|
Tuesday
Nov 3
|
Rain Showers Likely
|
74°F |
14 to 18 mph
S
|
|
Tuesday Night
Nov 3
|
Rain Showers Likely
|
55°F |
7 to 13 mph
S
|
|
Wednesday
Nov 4
|
Chance Showers And Thunderstorms
|
68°F |
5 to 9 mph
SSW
|
|
Wednesday Night
Nov 4
|
Chance Showers And Thunderstorms
|
47°F |
3 mph
WSW
|
|
Thursday
Nov 5
|
Slight Chance Rain Showers
|
67°F |
2 to 7 mph
WNW
|
|
Thursday Night
Nov 5
|
Partly Cloudy then Slight Chance Rain Showers
|
45°F |
3 mph
NW
|
|
Friday
Nov 6
|
Partly Sunny
|
65°F |
3 to 8 mph
NW
|
|
Friday Night
Nov 6
|
Mostly Cloudy
|
43°F |
3 mph
NNW
|
|
Saturday
Nov 7
|
Partly Sunny
|
66°F |
1 to 6 mph
NNW
|
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.