Shelby County, IL Weather Forecast
County weather hub
Slight Chance Rain Showers
Compare major city weather across Shelby County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of rain showers. Partly sunny, with a high near 67. East wind around 8 mph.
County Weather Overview
This county weather page brings together forecast coverage for Shelby 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 Shelby County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 3:49 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Shelby County
Tuesday looks like the warmest upcoming period in Shelby County at 82 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Sunday at about 10 to 20 mph S.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 3:49 PM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers before 7pm. Mostly cloudy, with a low around 57. South southeast wind 6 to 9 mph, with gusts as high as 17 mph.
A slight chance of rain showers after 1pm. Mostly cloudy, with a high near 76. South wind 10 to 20 mph, with gusts as high as 30 mph.
A chance of rain showers before 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
A chance of showers and thunderstorms. Partly sunny, with a high near 82.
A chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 63.
Showers and thunderstorms likely. Mostly cloudy, with a high near 79.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Slight Chance Rain Showers
|
67°F |
8 mph
E
|
|
Saturday Night
Apr 11
|
Slight Chance Rain Showers then Mostly Cloudy
|
57°F |
6 to 9 mph
SSE
|
|
Sunday
Apr 12
|
Mostly Cloudy then Slight Chance Rain Showers
|
76°F |
10 to 20 mph
S
|
|
Sunday Night
Apr 12
|
Showers And Thunderstorms Likely
|
62°F |
16 mph
SSW
|
|
Monday
Apr 13
|
Showers And Thunderstorms Likely
|
80°F |
16 mph
SSW
|
|
Monday Night
Apr 13
|
Chance Showers And Thunderstorms
|
65°F |
14 mph
SSW
|
|
Tuesday
Apr 14
|
Chance Showers And Thunderstorms
|
82°F |
12 to 17 mph
SSW
|
|
Tuesday Night
Apr 14
|
Chance Showers And Thunderstorms
|
63°F |
15 mph
SSW
|
|
Wednesday
Apr 15
|
Showers And Thunderstorms Likely
|
79°F |
14 to 17 mph
SSW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
55°F |
8 to 12 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Shelby County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Shelby County.
Largest mapped city population in this region: 3,967.