Fayette, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Fayette, IL in one place.
Sunny, with a high near 94. Heat index values as high as 107. Southwest wind around 9 mph.
Local Weather Overview
This forecast page for Fayette, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 10, 2026 9:08 AM CDT.
The active forecast window currently covers Aug 11 to Aug 16, 2026 for Fayette, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 11 to Aug 16, 2026
- Latest sync
- Aug 10, 2026 9:08 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Fayette
Tuesday looks like the warmest upcoming period in Fayette at 94 degrees F.
Sunday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Tuesday at about 9 mph SW.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 10, 2026 9:08 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
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 after 1am. Partly cloudy, with a low around 74. Heat index values as high as 106. Southwest wind around 6 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 91. Southwest wind around 7 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Partly cloudy, with a low around 70. Chance of precipitation is 60%.
Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 60%.
A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 60%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 69. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Aug 11
|
Sunny
|
94°F |
9 mph
SW
|
|
Tuesday Night
Aug 11
|
Partly Cloudy then Chance Showers And Thunderstorms
|
74°F |
6 mph
SW
|
|
Wednesday
Aug 12
|
Chance Showers And Thunderstorms
|
91°F |
7 mph
SW
|
|
Wednesday Night
Aug 12
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
70°F |
5 mph
E
|
|
Thursday
Aug 13
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
86°F |
6 mph
E
|
|
Thursday Night
Aug 13
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
68°F |
8 mph
E
|
|
Friday
Aug 14
|
Showers And Thunderstorms Likely
|
85°F |
7 mph
E
|
|
Friday Night
Aug 14
|
Chance Showers And Thunderstorms
|
68°F |
9 mph
SE
|
|
Saturday
Aug 15
|
Chance Showers And Thunderstorms
|
87°F |
8 mph
S
|
|
Saturday Night
Aug 15
|
Slight Chance Showers And Thunderstorms
|
69°F |
6 mph
S
|
|
Sunday
Aug 16
|
Slight Chance Showers And Thunderstorms
|
86°F |
3 to 7 mph
W
|
|
Sunday Night
Aug 16
|
Slight Chance Showers And Thunderstorms
|
66°F |
2 to 6 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Fayette.