South Wilmington, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for South Wilmington, IL in one place.
Sunny. High near 63, with temperatures falling to around 56 in the afternoon. Northwest wind around 0 mph.
Local Weather Overview
This forecast page for South Wilmington, 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: Nov 9, 2026 10:12 PM CST.
The active forecast window currently covers Nov 10 to Nov 16, 2026 for South Wilmington, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 10 to Nov 16, 2026
- Latest sync
- Nov 9, 2026 10:12 PM CST
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in South Wilmington
Tuesday looks like the warmest upcoming period in South Wilmington at 63 degrees F.
Friday Night is the coolest period ahead with temperatures near 26 degrees F.
The strongest winds are forecast for Thursday at about 15 mph NNW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 9, 2026 10:12 PM CST
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 38. Wind around 0 mph.
A chance of rain and a slight chance of thunderstorms after noon. Mostly cloudy, with a high near 58. East northeast wind 0 to 10 mph. Chance of precipitation is 50%.
A chance of rain before midnight. Mostly cloudy, with a low around 38. North northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
A chance of rain. Mostly cloudy, with a high near 44. Chance of precipitation is 40%.
Mostly cloudy, with a low around 29.
Mostly sunny, with a high near 44.
Partly cloudy, with a low around 26.
Sunny, with a high near 46.
Mostly clear, with a low around 29.
A slight chance of rain after noon. Sunny, with a high near 50.
Partly cloudy, with a low around 35.
Mostly sunny, with a high near 58.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Nov 10
|
Sunny
|
63°F |
0 mph
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
38°F |
0 mph
|
|
Veterans Day
Nov 11
|
Mostly Cloudy then Chance Rain
|
58°F |
0 to 10 mph
ENE
|
|
Wednesday Night
Nov 11
|
Chance Rain then Mostly Cloudy
|
38°F |
10 mph
NNW
|
|
Thursday
Nov 12
|
Chance Rain
|
44°F |
15 mph
NNW
|
|
Thursday Night
Nov 12
|
Mostly Cloudy
|
29°F |
10 mph
NNW
|
|
Friday
Nov 13
|
Mostly Sunny
|
44°F |
5 to 10 mph
NNW
|
|
Friday Night
Nov 13
|
Partly Cloudy
|
26°F |
0 to 5 mph
NNW
|
|
Saturday
Nov 14
|
Sunny
|
46°F |
0 to 5 mph
NW
|
|
Saturday Night
Nov 14
|
Mostly Clear
|
29°F |
0 mph
|
|
Sunday
Nov 15
|
Sunny then Slight Chance Rain
|
50°F |
0 to 5 mph
S
|
|
Sunday Night
Nov 15
|
Partly Cloudy
|
35°F |
0 to 5 mph
SSE
|
|
Monday
Nov 16
|
Mostly Sunny
|
58°F |
0 to 5 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Wilmington.