Buffalo, IL Weather Forecast
Local 7-day forecast
Mostly Cloudy then Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Buffalo, IL in one place.
A slight chance of rain showers after 2pm. Mostly cloudy, with a high near 77. Southeast wind around 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
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: Jul 23, 2026 9:51 PM CDT.
The active forecast window currently covers Jul 24 to Jul 30, 2026 for Buffalo, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 24 to Jul 30, 2026
- Latest sync
- Jul 23, 2026 9:51 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Buffalo
Monday looks like the warmest upcoming period in Buffalo at 94 degrees F.
Friday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Monday at about 9 to 13 mph SW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 23, 2026 9:51 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
A chance of rain showers. Mostly cloudy, with a low around 63. South southeast wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm. Partly sunny, with a high near 84. South wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
Partly cloudy, with a low around 70. South wind 1 to 5 mph.
Mostly sunny, with a high near 91. Southwest wind 2 to 6 mph.
Partly cloudy, with a low around 74. South southwest wind 3 to 8 mph.
Sunny, with a high near 94.
Mostly clear, with a low around 74.
Sunny, with a high near 91.
Partly cloudy, with a low around 69.
Mostly sunny, with a high near 87.
Partly cloudy, with a low around 67.
Sunny, with a high near 87.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 24
|
Mostly Cloudy then Slight Chance Rain Showers
|
77°F |
6 mph
SE
|
|
Friday Night
Jul 24
|
Chance Rain Showers
|
63°F |
5 mph
SSE
|
|
Saturday
Jul 25
|
Chance Showers And Thunderstorms
|
84°F |
7 mph
S
|
|
Saturday Night
Jul 25
|
Partly Cloudy
|
70°F |
1 to 5 mph
S
|
|
Sunday
Jul 26
|
Mostly Sunny
|
91°F |
2 to 6 mph
SW
|
|
Sunday Night
Jul 26
|
Partly Cloudy
|
74°F |
3 to 8 mph
SSW
|
|
Monday
Jul 27
|
Sunny
|
94°F |
9 to 13 mph
SW
|
|
Monday Night
Jul 27
|
Mostly Clear
|
74°F |
6 to 10 mph
W
|
|
Tuesday
Jul 28
|
Sunny
|
91°F |
9 mph
NNW
|
|
Tuesday Night
Jul 28
|
Partly Cloudy
|
69°F |
7 mph
NE
|
|
Wednesday
Jul 29
|
Mostly Sunny
|
87°F |
7 mph
E
|
|
Wednesday Night
Jul 29
|
Partly Cloudy
|
67°F |
6 mph
ESE
|
|
Thursday
Jul 30
|
Sunny
|
87°F |
3 to 7 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Buffalo.