Lafayette, IL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Lafayette, IL in one place.
Mostly sunny, with a high near 77. Southwest wind around 8 mph.
Local Weather Overview
This forecast page for Lafayette, 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: Apr 21, 2026 4:13 PM CDT.
The active forecast window currently covers Apr 22 to Apr 27, 2026 for Lafayette, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 22 to Apr 27, 2026
- Latest sync
- Apr 21, 2026 4:13 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Lafayette
Thursday looks like the warmest upcoming period in Lafayette at 82 degrees F.
Saturday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Thursday at about 7 to 20 mph S.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 21, 2026 4:13 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KDVN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 58. South wind around 7 mph.
Mostly sunny, with a high near 82. South wind 7 to 20 mph, with gusts as high as 29 mph.
A chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 61. South wind 12 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 75. West southwest wind around 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 49. Chance of precipitation is 40%.
Mostly sunny, with a high near 72.
Partly cloudy, with a low around 48.
Mostly sunny, with a high near 74.
A chance of rain showers between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Showers and thunderstorms likely. Mostly cloudy, with a high near 70.
Showers and thunderstorms likely. Mostly cloudy, with a low around 49.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 22
|
Mostly Sunny
|
77°F |
8 mph
SW
|
|
Wednesday Night
Apr 22
|
Mostly Clear
|
58°F |
7 mph
S
|
|
Thursday
Apr 23
|
Mostly Sunny
|
82°F |
7 to 20 mph
S
|
|
Thursday Night
Apr 23
|
Chance Showers And Thunderstorms
|
61°F |
12 to 17 mph
S
|
|
Friday
Apr 24
|
Showers And Thunderstorms Likely
|
75°F |
13 mph
WSW
|
|
Friday Night
Apr 24
|
Chance Showers And Thunderstorms then Partly Cloudy
|
49°F |
6 to 9 mph
NNW
|
|
Saturday
Apr 25
|
Mostly Sunny
|
72°F |
7 to 10 mph
N
|
|
Saturday Night
Apr 25
|
Partly Cloudy
|
48°F |
7 mph
NE
|
|
Sunday
Apr 26
|
Mostly Sunny
|
74°F |
6 to 14 mph
E
|
|
Sunday Night
Apr 26
|
Chance Rain Showers
|
54°F |
13 to 17 mph
ESE
|
|
Monday
Apr 27
|
Showers And Thunderstorms Likely
|
70°F |
18 mph
SE
|
|
Monday Night
Apr 27
|
Showers And Thunderstorms Likely
|
49°F |
12 to 16 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lafayette.