South Pekin, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for South Pekin, IL in one place.
Sunny, with a high near 56.
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: Apr 15, 2026 7:06 AM CDT.
The active forecast window currently covers Apr 19 to Apr 21, 2026 for South Pekin, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 19 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 7:06 AM 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.
Sunday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Sunday at about 9 to 14 mph WNW.
The forecast from Apr 19 through Apr 21 stays mostly dry.
Forecast Details
- Last updated
- Apr 15, 2026 7:06 AM CDT
- Coverage
- 3 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
Mostly clear, with a low around 37.
Sunny, with a high near 67.
Mostly clear, with a low around 48.
Mostly sunny, with a high near 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 19
|
Sunny
|
56°F |
9 to 14 mph
WNW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
37°F |
5 to 9 mph
WSW
|
|
Monday
Apr 20
|
Sunny
|
67°F |
5 to 10 mph
S
|
|
Monday Night
Apr 20
|
Mostly Clear
|
48°F |
9 mph
S
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
74°F |
9 to 14 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Pekin.