Buffalo, IL Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Buffalo, IL in one place.
Mostly clear, with a low around 55. East wind around 5 mph.
Local Weather Overview
This forecast page for Buffalo, 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: Oct 8, 2026 10:58 PM CDT.
The active forecast window currently covers Oct 8 to Oct 15, 2026 for Buffalo, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 8 to Oct 15, 2026
- Latest sync
- Oct 8, 2026 10:58 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Buffalo
Columbus Day looks like the warmest upcoming period in Buffalo at 88 degrees F.
Tonight is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Thursday at about 12 to 15 mph SSW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 8, 2026 10:58 PM CDT
- Coverage
- 7 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
Sunny, with a high near 86. South southeast wind 5 to 12 mph, with gusts as high as 17 mph.
Clear, with a low around 60. South southeast wind around 9 mph, with gusts as high as 16 mph.
Mostly sunny, with a high near 84. South southeast wind 7 to 10 mph.
A slight chance of rain showers after 1am. Mostly cloudy, with a low around 59. East southeast wind 6 to 9 mph.
A slight chance of rain showers before 7am. Partly sunny, with a high near 78. North northeast wind around 5 mph.
Mostly clear, with a low around 58. South southeast wind 0 to 5 mph.
Sunny, with a high near 88.
Mostly clear, with a low around 65.
Sunny, with a high near 81.
A chance of rain showers after 7pm. Partly cloudy, with a low around 56.
A chance of rain showers. Partly sunny, with a high near 77.
A chance of rain showers. Mostly cloudy, with a low around 59.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tonight
Oct 8
|
Mostly Clear
|
55°F |
5 mph
E
|
|
Friday
Oct 9
|
Sunny
|
86°F |
5 to 12 mph
SSE
|
|
Friday Night
Oct 9
|
Clear
|
60°F |
9 mph
SSE
|
|
Saturday
Oct 10
|
Mostly Sunny
|
84°F |
7 to 10 mph
SSE
|
|
Saturday Night
Oct 10
|
Mostly Cloudy then Slight Chance Rain Showers
|
59°F |
6 to 9 mph
ESE
|
|
Sunday
Oct 11
|
Slight Chance Rain Showers then Partly Sunny
|
78°F |
5 mph
NNE
|
|
Sunday Night
Oct 11
|
Mostly Clear
|
58°F |
0 to 5 mph
SSE
|
|
Columbus Day
Oct 12
|
Sunny
|
88°F |
3 to 13 mph
SSW
|
|
Monday Night
Oct 12
|
Mostly Clear
|
65°F |
12 mph
SW
|
|
Tuesday
Oct 13
|
Sunny
|
81°F |
12 mph
NW
|
|
Tuesday Night
Oct 13
|
Chance Rain Showers
|
56°F |
9 mph
NE
|
|
Wednesday
Oct 14
|
Chance Rain Showers
|
77°F |
7 to 10 mph
ESE
|
|
Wednesday Night
Oct 14
|
Chance Rain Showers
|
59°F |
10 mph
SE
|
|
Thursday
Oct 15
|
Chance Rain Showers
|
79°F |
12 to 15 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Buffalo.