South Pekin, IL Weather Forecast
Local 7-day forecast
Partly Sunny then Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for South Pekin, IL in one place.
A slight chance of rain showers between noon and 3pm. Partly sunny, with a high near 77. South southeast wind 2 to 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 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: Jul 23, 2026 9:54 AM CDT.
The active forecast window currently covers Jul 24 to Jul 29, 2026 for South Pekin, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 24 to Jul 29, 2026
- Latest sync
- Jul 23, 2026 9:54 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in South Pekin
Monday looks like the warmest upcoming period in South Pekin at 95 degrees F.
Friday Night is the coolest period ahead with temperatures near 61 degrees F.
The strongest winds are forecast for Monday at about 6 to 10 mph SSW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 23, 2026 9:54 AM CDT
- Coverage
- 6 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 after 7pm. Mostly cloudy, with a low around 61. South wind 2 to 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers before 7am. Partly sunny, with a high near 84. South wind around 6 mph. New rainfall amounts less than a tenth of an inch possible.
Mostly clear, with a low around 68. South wind around 2 mph.
Mostly sunny, with a high near 91. South southwest wind 0 to 3 mph.
Partly cloudy, with a low around 73.
Mostly sunny, with a high near 95.
A slight chance of showers and thunderstorms after 7pm. Mostly clear, with a low around 72.
A slight chance of showers and thunderstorms before 7am. Sunny, with a high near 91.
Mostly clear, with a low around 68.
Sunny, with a high near 88.
Mostly clear, with a low around 67.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 24
|
Partly Sunny then Slight Chance Rain Showers
|
77°F |
2 to 6 mph
SSE
|
|
Friday Night
Jul 24
|
Chance Rain Showers
|
61°F |
2 to 6 mph
S
|
|
Saturday
Jul 25
|
Slight Chance Rain Showers then Partly Sunny
|
84°F |
6 mph
S
|
|
Saturday Night
Jul 25
|
Mostly Clear
|
68°F |
2 mph
S
|
|
Sunday
Jul 26
|
Mostly Sunny
|
91°F |
0 to 3 mph
SSW
|
|
Sunday Night
Jul 26
|
Partly Cloudy
|
73°F |
2 to 6 mph
SSW
|
|
Monday
Jul 27
|
Mostly Sunny
|
95°F |
6 to 10 mph
SSW
|
|
Monday Night
Jul 27
|
Slight Chance Showers And Thunderstorms
|
72°F |
3 to 7 mph
WNW
|
|
Tuesday
Jul 28
|
Slight Chance Showers And Thunderstorms then Sunny
|
91°F |
7 mph
N
|
|
Tuesday Night
Jul 28
|
Mostly Clear
|
68°F |
5 mph
NE
|
|
Wednesday
Jul 29
|
Sunny
|
88°F |
5 mph
NNE
|
|
Wednesday Night
Jul 29
|
Mostly Clear
|
67°F |
3 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Pekin.