Fayette County, IL Weather Forecast
County weather hub
Isolated Showers And Thunderstorms
Compare major city weather across Fayette County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Isolated showers and thunderstorms after 4pm. Partly sunny, with a high near 87. Southwest wind 2 to 6 mph. Chance of precipitation is 20%.
County Weather Overview
This county weather page brings together forecast coverage for Fayette 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 Fayette County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 10 to Jul 16, 2026
- Latest sync
- Jul 10, 2026 5:45 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Fayette County
Wednesday looks like the warmest upcoming period in Fayette County at 88 degrees F.
Sunday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Sunday at about 3 to 8 mph E.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 10, 2026 5:45 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- 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. Mostly cloudy, with a low around 69. Northeast wind around 2 mph. Chance of precipitation is 60%.
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Southwest wind 0 to 3 mph. Chance of precipitation is 60%.
Scattered showers and thunderstorms before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a slight chance of showers and thunderstorms between 2am and 4am. Mostly cloudy, with a low around 68. East wind around 3 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 83. East wind 3 to 8 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 66. Chance of precipitation is 40%.
Sunny, with a high near 86.
Mostly clear, with a low around 68.
Sunny, with a high near 87.
Mostly clear, with a low around 69.
Sunny, with a high near 88.
Mostly clear, with a low around 70.
Sunny, with a high near 88.
Mostly clear, with a low around 70.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Jul 10
|
Isolated Showers And Thunderstorms
|
87°F |
2 to 6 mph
SW
|
|
Tonight
Jul 10
|
Chance Showers And Thunderstorms
|
69°F |
2 mph
NE
|
|
Saturday
Jul 11
|
Chance Showers And Thunderstorms
|
83°F |
0 to 3 mph
SW
|
|
Saturday Night
Jul 11
|
Scattered Showers And Thunderstorms then Chance Showers And Thunderstorms
|
68°F |
3 mph
E
|
|
Sunday
Jul 12
|
Chance Showers And Thunderstorms
|
83°F |
3 to 8 mph
E
|
|
Sunday Night
Jul 12
|
Chance Showers And Thunderstorms then Mostly Clear
|
66°F |
3 to 7 mph
NE
|
|
Monday
Jul 13
|
Sunny
|
86°F |
5 to 8 mph
NE
|
|
Monday Night
Jul 13
|
Mostly Clear
|
68°F |
2 to 6 mph
E
|
|
Tuesday
Jul 14
|
Sunny
|
87°F |
6 mph
E
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
69°F |
0 to 3 mph
NE
|
|
Wednesday
Jul 15
|
Sunny
|
88°F |
0 to 3 mph
S
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
70°F |
2 mph
S
|
|
Thursday
Jul 16
|
Sunny
|
88°F |
1 to 5 mph
W
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
70°F |
3 mph
W
|
Major City Forecasts
Live forecast snapshots for major cities across Fayette County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Fayette County.
Largest mapped city population in this region: 1,924.
