South Elgin, IL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for South Elgin, IL in one place.
Mostly sunny. High near 71, with temperatures falling to around 69 in the afternoon. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Local Weather Overview
This forecast page for South Elgin, 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 8, 2026 11:52 AM CDT.
The active forecast window currently covers Oct 8 to Oct 14, 2026 for South Elgin, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 8 to Oct 14, 2026
- Latest sync
- Oct 8, 2026 11:52 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in South Elgin
Saturday looks like the warmest upcoming period in South Elgin at 80 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 44 degrees F.
The strongest winds are forecast for Tuesday at about 10 to 15 mph NNW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 8, 2026 11:52 AM CDT
- 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
Mostly clear, with a low around 50. Northwest wind 0 to 5 mph.
A chance of rain showers between 9am and 1pm, then a chance of showers and thunderstorms between 1pm and 5pm. Partly sunny. High near 74, with temperatures falling to around 72 in the afternoon. Southeast wind 0 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Mostly clear, with a low around 59. South southeast wind around 10 mph, with gusts as high as 20 mph.
Sunny, with a high near 80. South wind around 10 mph, with gusts as high as 25 mph.
Mostly cloudy, with a low around 59.
Partly sunny, with a high near 73.
Partly cloudy, with a low around 55.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78.
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
A chance of rain showers before 7am. Partly sunny, with a high near 66.
Partly cloudy, with a low around 44.
A slight chance of rain showers between 7am and 1pm. Mostly sunny, with a high near 63.
A chance of rain showers after 7pm. Partly cloudy, with a low around 47.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 8
|
Mostly Sunny
|
71°F |
5 to 10 mph
WNW
|
|
Tonight
Oct 8
|
Mostly Clear
|
50°F |
0 to 5 mph
NW
|
|
Friday
Oct 9
|
Chance Rain Showers
|
74°F |
0 to 10 mph
SE
|
|
Friday Night
Oct 9
|
Mostly Clear
|
59°F |
10 mph
SSE
|
|
Saturday
Oct 10
|
Sunny
|
80°F |
10 mph
S
|
|
Saturday Night
Oct 10
|
Mostly Cloudy
|
59°F |
5 to 10 mph
S
|
|
Sunday
Oct 11
|
Partly Sunny
|
73°F |
5 mph
SE
|
|
Sunday Night
Oct 11
|
Partly Cloudy
|
55°F |
0 to 5 mph
S
|
|
Columbus Day
Oct 12
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
78°F |
0 to 10 mph
SW
|
|
Monday Night
Oct 12
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
54°F |
10 mph
W
|
|
Tuesday
Oct 13
|
Chance Rain Showers then Partly Sunny
|
66°F |
10 to 15 mph
NNW
|
|
Tuesday Night
Oct 13
|
Partly Cloudy
|
44°F |
5 to 10 mph
NNW
|
|
Wednesday
Oct 14
|
Slight Chance Rain Showers
|
63°F |
5 to 10 mph
NE
|
|
Wednesday Night
Oct 14
|
Chance Rain Showers
|
47°F |
5 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Elgin.