Percy, IL Weather Forecast
Local 7-day forecast
Scattered Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Percy, IL in one place.
Scattered rain showers after 10am. Mostly cloudy, with a high near 81. East wind around 2 mph. Chance of precipitation is 40%.
Local Weather Overview
This forecast page for Percy, 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 9:59 PM CDT.
The active forecast window currently covers Jul 24 to Jul 30, 2026 for Percy, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 24 to Jul 30, 2026
- Latest sync
- Jul 23, 2026 9:59 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Percy
Monday looks like the warmest upcoming period in Percy at 98 degrees F.
Friday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Monday at about 5 to 8 mph SW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 23, 2026 9:59 PM CDT
- Coverage
- 7 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
Scattered rain showers. Cloudy, with a low around 65. Southeast wind around 2 mph. Chance of precipitation is 50%.
A chance of rain showers before 7am, then showers and thunderstorms likely between 7am and 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm. Partly sunny, with a high near 88. South wind around 5 mph. Chance of precipitation is 70%.
Partly cloudy, with a low around 71. South wind around 2 mph.
Mostly sunny, with a high near 93.
Mostly clear, with a low around 73.
Sunny, with a high near 98.
Mostly clear, with a low around 76.
Sunny, with a high near 96.
Partly cloudy, with a low around 72.
Mostly sunny, with a high near 91.
Partly cloudy, with a low around 70.
Mostly sunny, with a high near 91.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 24
|
Scattered Rain Showers
|
81°F |
2 mph
E
|
|
Friday Night
Jul 24
|
Scattered Rain Showers
|
65°F |
2 mph
SE
|
|
Saturday
Jul 25
|
Showers And Thunderstorms Likely
|
88°F |
5 mph
S
|
|
Saturday Night
Jul 25
|
Partly Cloudy
|
71°F |
2 mph
S
|
|
Sunday
Jul 26
|
Mostly Sunny
|
93°F |
2 mph
N
|
|
Sunday Night
Jul 26
|
Mostly Clear
|
73°F |
3 mph
S
|
|
Monday
Jul 27
|
Sunny
|
98°F |
5 to 8 mph
SW
|
|
Monday Night
Jul 27
|
Mostly Clear
|
76°F |
6 mph
SW
|
|
Tuesday
Jul 28
|
Sunny
|
96°F |
5 to 8 mph
NW
|
|
Tuesday Night
Jul 28
|
Partly Cloudy
|
72°F |
2 to 6 mph
NE
|
|
Wednesday
Jul 29
|
Mostly Sunny
|
91°F |
2 to 6 mph
NE
|
|
Wednesday Night
Jul 29
|
Partly Cloudy
|
70°F |
1 to 5 mph
E
|
|
Thursday
Jul 30
|
Mostly Sunny
|
91°F |
1 to 5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Percy.