Shelby County, IL Weather Forecast
County weather hub
Showers And Thunderstorms then Chance Showers And Thunderstorms
Compare major city weather across Shelby County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. West southwest wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
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
- Jul 10 to Jul 13, 2026
- Latest sync
- Jul 7, 2026 12:27 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Shelby County
Monday looks like the warmest upcoming period in Shelby County at 89 degrees F.
Sunday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Friday at about 3 to 7 mph WSW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 7, 2026 12:27 PM CDT
- Coverage
- 4 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 chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 67.
A slight chance of rain showers before 1pm. Mostly sunny, with a high near 87.
Mostly clear, with a low around 66.
Sunny, with a high near 89.
Clear, with a low around 67.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 10
|
Showers And Thunderstorms then Chance Showers And Thunderstorms
|
86°F |
3 to 7 mph
WSW
|
|
Friday Night
Jul 10
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
68°F |
1 to 6 mph
SW
|
|
Saturday
Jul 11
|
Chance Showers And Thunderstorms
|
85°F |
6 mph
WNW
|
|
Saturday Night
Jul 11
|
Chance Showers And Thunderstorms
|
67°F |
1 to 5 mph
NNE
|
|
Sunday
Jul 12
|
Slight Chance Rain Showers
|
87°F |
6 mph
NNE
|
|
Sunday Night
Jul 12
|
Mostly Clear
|
66°F |
1 to 5 mph
NE
|
|
Monday
Jul 13
|
Sunny
|
89°F |
6 mph
NNE
|
|
Monday Night
Jul 13
|
Clear
|
67°F |
1 to 6 mph
SE
|
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.
