Fayetteville, IL Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Fayetteville, IL in one place.
Partly sunny, with a high near 61. West wind 5 to 9 mph.
Local Weather Overview
This forecast page for Fayetteville, 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: Nov 4, 2026 3:34 PM CST.
The active forecast window currently covers Nov 4 to Nov 10, 2026 for Fayetteville, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 4 to Nov 10, 2026
- Latest sync
- Nov 4, 2026 3:34 PM CST
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Fayetteville
Tuesday looks like the warmest upcoming period in Fayetteville at 66 degrees F.
Saturday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Friday at about 6 to 10 mph N.
The forecast from Nov 4 through Nov 10 stays mostly dry.
Forecast Details
- Last updated
- Nov 4, 2026 3:34 PM CST
- Coverage
- 8 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
Partly cloudy, with a low around 44. Southwest wind around 5 mph.
Sunny, with a high near 64. West wind 5 to 9 mph.
Mostly cloudy, with a low around 45. Northwest wind around 5 mph.
Partly sunny, with a high near 55. North wind 6 to 10 mph.
Mostly clear, with a low around 33.
Sunny, with a high near 54.
Mostly clear, with a low around 32.
Sunny, with a high near 59.
Mostly clear, with a low around 34.
Sunny, with a high near 65.
Clear, with a low around 38.
Sunny, with a high near 66.
Mostly clear, with a low around 40.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Nov 4
|
Partly Sunny
|
61°F |
5 to 9 mph
W
|
|
Tonight
Nov 4
|
Partly Cloudy
|
44°F |
5 mph
SW
|
|
Thursday
Nov 5
|
Sunny
|
64°F |
5 to 9 mph
W
|
|
Thursday Night
Nov 5
|
Mostly Cloudy
|
45°F |
5 mph
NW
|
|
Friday
Nov 6
|
Partly Sunny
|
55°F |
6 to 10 mph
N
|
|
Friday Night
Nov 6
|
Mostly Clear
|
33°F |
1 to 6 mph
N
|
|
Saturday
Nov 7
|
Sunny
|
54°F |
3 mph
N
|
|
Saturday Night
Nov 7
|
Mostly Clear
|
32°F |
0 mph
|
|
Sunday
Nov 8
|
Sunny
|
59°F |
0 to 3 mph
NW
|
|
Sunday Night
Nov 8
|
Mostly Clear
|
34°F |
0 mph
|
|
Monday
Nov 9
|
Sunny
|
65°F |
0 to 3 mph
SW
|
|
Monday Night
Nov 9
|
Clear
|
38°F |
1 mph
SW
|
|
Tuesday
Nov 10
|
Sunny
|
66°F |
2 mph
W
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
40°F |
0 mph
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Fayetteville.