South Pekin, IL Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for South Pekin, IL in one place.
A chance of rain showers before 1pm. Cloudy, with a high near 69. East wind around 7 mph. Chance of precipitation is 40%. 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: Oct 29, 2026 10:01 PM CDT.
The active forecast window currently covers Oct 31 to Nov 5, 2026 for South Pekin, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 31 to Nov 5, 2026
- Latest sync
- Oct 29, 2026 10:01 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in South Pekin
Tuesday looks like the warmest upcoming period in South Pekin at 74 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Monday Night at about 17 mph SSE.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 29, 2026 10:01 PM 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 slight chance of rain showers after 1am. Mostly cloudy, with a low around 52. East southeast wind around 5 mph.
A chance of rain showers. Partly sunny, with a high near 71. East southeast wind 3 to 7 mph. Chance of precipitation is 30%.
A slight chance of rain showers after midnight. Mostly cloudy, with a low around 54. Southeast wind around 6 mph. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.
Rain showers likely. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 74.
Rain showers likely. Mostly cloudy, with a low around 56.
Rain showers likely. Mostly cloudy, with a high near 70.
A chance of rain showers. Mostly cloudy, with a low around 48.
A chance of rain showers. Partly sunny, with a high near 64.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Oct 31
|
Chance Rain Showers
|
69°F |
7 mph
E
|
|
Saturday Night
Oct 31
|
Mostly Cloudy then Slight Chance Rain Showers
|
52°F |
5 mph
ESE
|
|
Sunday
Nov 1
|
Chance Rain Showers
|
71°F |
3 to 7 mph
ESE
|
|
Sunday Night
Nov 1
|
Mostly Cloudy then Slight Chance Rain Showers
|
54°F |
6 mph
SE
|
|
Monday
Nov 2
|
Chance Rain Showers
|
70°F |
6 to 15 mph
SE
|
|
Monday Night
Nov 2
|
Rain Showers Likely
|
59°F |
17 mph
SSE
|
|
Tuesday
Nov 3
|
Showers And Thunderstorms Likely
|
74°F |
17 mph
SSE
|
|
Tuesday Night
Nov 3
|
Rain Showers Likely
|
56°F |
14 mph
SSE
|
|
Wednesday
Nov 4
|
Rain Showers Likely
|
70°F |
9 to 14 mph
S
|
|
Wednesday Night
Nov 4
|
Chance Rain Showers
|
48°F |
6 to 9 mph
SW
|
|
Thursday
Nov 5
|
Chance Rain Showers
|
64°F |
6 to 9 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Pekin.