Percy, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Percy, IL in one place.
Showers and thunderstorms. Mostly cloudy, with a high near 85. South wind 6 to 9 mph. Chance of precipitation is 80%.
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: Jun 7, 2026 1:49 AM CDT.
The active forecast window currently covers Jun 8 to Jun 13, 2026 for Percy, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 8 to Jun 13, 2026
- Latest sync
- Jun 7, 2026 1:49 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Percy
Wednesday looks like the warmest upcoming period in Percy at 93 degrees F.
Monday Night is the coolest period ahead with temperatures near 70 degrees F.
The strongest winds are forecast for Thursday at about 8 to 13 mph SW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 7, 2026 1:49 AM CDT
- Coverage
- 6 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
Showers and thunderstorms. Mostly cloudy, with a low around 70. South wind around 7 mph. Chance of precipitation is 80%.
Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 70%.
A chance of showers and thunderstorms before 1am. Mostly clear, with a low around 72. Chance of precipitation is 30%.
Sunny, with a high near 93.
Mostly clear, with a low around 74.
A slight chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Sunny, with a high near 93. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Jun 8
|
Showers And Thunderstorms
|
85°F |
6 to 9 mph
S
|
|
Monday Night
Jun 8
|
Showers And Thunderstorms
|
70°F |
7 mph
S
|
|
Tuesday
Jun 9
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
90°F |
7 mph
SW
|
|
Tuesday Night
Jun 9
|
Chance Showers And Thunderstorms
|
72°F |
7 mph
S
|
|
Wednesday
Jun 10
|
Sunny
|
93°F |
6 to 10 mph
S
|
|
Wednesday Night
Jun 10
|
Mostly Clear
|
74°F |
7 to 10 mph
S
|
|
Thursday
Jun 11
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
93°F |
8 to 13 mph
SW
|
|
Thursday Night
Jun 11
|
Chance Showers And Thunderstorms
|
71°F |
5 to 12 mph
SW
|
|
Friday
Jun 12
|
Chance Showers And Thunderstorms
|
93°F |
5 mph
S
|
|
Friday Night
Jun 12
|
Chance Showers And Thunderstorms
|
70°F |
2 to 6 mph
SW
|
|
Saturday
Jun 13
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
89°F |
6 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Percy.