Clark County, IL Weather Forecast
County weather hub
Partly Sunny
Compare major city weather across Clark County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Partly sunny, with a high near 68. East wind around 8 mph.
County Weather Overview
This county weather page brings together forecast coverage for Clark County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 2 of 2 mapped cities in Clark County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 2:24 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Clark County
Tuesday looks like the warmest upcoming period in Clark County at 83 degrees F.
Saturday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Sunday at about 9 to 22 mph SSW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 2:24 PM CDT
- Coverage
- 5 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
Mostly cloudy, with a low around 57. South southeast wind 6 to 9 mph, with gusts as high as 18 mph.
Partly sunny, with a high near 79. South southwest wind 9 to 22 mph, with gusts as high as 32 mph.
Showers and thunderstorms likely after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Partly Sunny
|
68°F |
8 mph
E
|
|
Saturday Night
Apr 11
|
Mostly Cloudy
|
57°F |
6 to 9 mph
SSE
|
|
Sunday
Apr 12
|
Partly Sunny
|
79°F |
9 to 22 mph
SSW
|
|
Sunday Night
Apr 12
|
Mostly Cloudy then Showers And Thunderstorms Likely
|
63°F |
16 mph
SSW
|
|
Monday
Apr 13
|
Showers And Thunderstorms Likely
|
79°F |
16 to 20 mph
SSW
|
|
Monday Night
Apr 13
|
Chance Showers And Thunderstorms
|
66°F |
15 mph
SSW
|
|
Tuesday
Apr 14
|
Chance Showers And Thunderstorms
|
83°F |
14 to 20 mph
SSW
|
|
Tuesday Night
Apr 14
|
Chance Showers And Thunderstorms
|
66°F |
16 mph
SSW
|
|
Wednesday
Apr 15
|
Chance Showers And Thunderstorms
|
80°F |
15 to 21 mph
SSW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
57°F |
10 to 15 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Clark County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Clark County.
Largest mapped city population in this region: 3,774.
