South Pekin, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for South Pekin, IL in one place.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 8am, then showers and thunderstorms. Mostly cloudy, with a high near 82. South southeast wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Local Weather Overview
This forecast page for South Pekin, 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 8, 2026 8:36 AM CDT.
The active forecast window currently covers Jun 8 to Jun 14, 2026 for South Pekin, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 8 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 8:36 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in South Pekin
Wednesday looks like the warmest upcoming period in South Pekin at 93 degrees F.
Sunday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Wednesday at about 7 to 16 mph SSW.
Precipitation is mentioned in 14 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 8:36 AM 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
Showers and thunderstorms likely before 9pm, then a chance of showers and thunderstorms between 9pm and 4am. Mostly cloudy, with a low around 69. South southwest wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Partly sunny, with a high near 90. West southwest wind 5 to 8 mph. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms after 7pm. Mostly clear, with a low around 71. South southwest wind around 7 mph, with gusts as high as 16 mph. Chance of precipitation is 30%.
A slight chance of rain showers before 7am. Sunny, with a high near 93. South southwest wind 7 to 16 mph, with gusts as high as 25 mph.
Showers and thunderstorms likely after 7pm. Partly cloudy, with a low around 70. South southwest wind 8 to 15 mph, with gusts as high as 25 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 showers and thunderstorms likely. Mostly sunny, with a high near 90. Southwest wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely before 7pm, then showers and thunderstorms likely. Partly cloudy, with a low around 64. Chance of precipitation is 70%.
A slight chance of rain showers. Mostly sunny, with a high near 88.
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly clear, with a low around 64.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Showers and thunderstorms likely. Partly cloudy, with a low around 64.
Rain showers likely before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 82.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jun 8
|
Showers And Thunderstorms
|
82°F |
8 to 13 mph
SSE
|
|
Tonight
Jun 8
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
69°F |
5 to 8 mph
SSW
|
|
Tuesday
Jun 9
|
Partly Sunny
|
90°F |
5 to 8 mph
WSW
|
|
Tuesday Night
Jun 9
|
Chance Showers And Thunderstorms
|
71°F |
7 mph
SSW
|
|
Wednesday
Jun 10
|
Slight Chance Rain Showers then Sunny
|
93°F |
7 to 16 mph
SSW
|
|
Wednesday Night
Jun 10
|
Showers And Thunderstorms Likely
|
70°F |
8 to 15 mph
SSW
|
|
Thursday
Jun 11
|
Showers And Thunderstorms Likely
|
90°F |
8 to 14 mph
SW
|
|
Thursday Night
Jun 11
|
Showers And Thunderstorms Likely
|
64°F |
3 to 12 mph
WSW
|
|
Friday
Jun 12
|
Slight Chance Rain Showers
|
88°F |
3 to 8 mph
W
|
|
Friday Night
Jun 12
|
Chance Showers And Thunderstorms
|
64°F |
5 mph
SSW
|
|
Saturday
Jun 13
|
Chance Rain Showers
|
87°F |
3 to 8 mph
SSW
|
|
Saturday Night
Jun 13
|
Showers And Thunderstorms Likely
|
64°F |
6 mph
SW
|
|
Sunday
Jun 14
|
Chance Showers And Thunderstorms
|
82°F |
6 to 9 mph
N
|
|
Sunday Night
Jun 14
|
Chance Showers And Thunderstorms
|
59°F |
2 to 7 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Pekin.