Preston Heights, IL Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Preston Heights, IL in one place.
Mostly cloudy, with a high near 67. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Local Weather Overview
This forecast page for Preston Heights, 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: Sep 22, 2026 7:48 AM CDT.
The active forecast window currently covers Sep 23 to Sep 28, 2026 for Preston Heights, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 23 to Sep 28, 2026
- Latest sync
- Sep 22, 2026 7:48 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Preston Heights
Monday looks like the warmest upcoming period in Preston Heights at 76 degrees F.
Friday Night is the coolest period ahead with temperatures near 49 degrees F.
The strongest winds are forecast for Wednesday at about 10 to 15 mph NE.
The forecast from Sep 23 through Sep 28 stays mostly dry.
Forecast Details
- Last updated
- Sep 22, 2026 7:48 AM CDT
- Coverage
- 6 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 cloudy, with a low around 54. East northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly cloudy, with a high near 69.
Mostly cloudy, with a low around 52.
Mostly sunny, with a high near 69.
Partly cloudy, with a low around 49.
Partly sunny, with a high near 68.
Mostly cloudy, with a low around 51.
Mostly cloudy, with a high near 72.
Mostly cloudy, with a low around 55.
Mostly sunny, with a high near 76.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 23
|
Mostly Cloudy
|
67°F |
10 to 15 mph
NE
|
|
Wednesday Night
Sep 23
|
Mostly Cloudy
|
54°F |
5 to 10 mph
ENE
|
|
Thursday
Sep 24
|
Mostly Cloudy
|
69°F |
5 mph
ENE
|
|
Thursday Night
Sep 24
|
Mostly Cloudy
|
52°F |
5 mph
ENE
|
|
Friday
Sep 25
|
Mostly Sunny
|
69°F |
5 mph
E
|
|
Friday Night
Sep 25
|
Partly Cloudy
|
49°F |
0 to 5 mph
E
|
|
Saturday
Sep 26
|
Partly Sunny
|
68°F |
0 to 5 mph
SE
|
|
Saturday Night
Sep 26
|
Mostly Cloudy
|
51°F |
0 to 5 mph
SE
|
|
Sunday
Sep 27
|
Mostly Cloudy
|
72°F |
0 to 5 mph
SSE
|
|
Sunday Night
Sep 27
|
Mostly Cloudy
|
55°F |
0 to 5 mph
SE
|
|
Monday
Sep 28
|
Mostly Sunny
|
76°F |
0 to 5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Preston Heights.