Preston Heights, IL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Preston Heights, IL in one place.
Mostly sunny, with a high near 53.
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: Apr 15, 2026 4:56 AM CDT.
The active forecast window currently covers Apr 19 to Apr 21, 2026 for Preston Heights, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 19 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 4:56 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Preston Heights
Tuesday looks like the warmest upcoming period in Preston Heights at 72 degrees F.
Sunday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Sunday at about 10 to 15 mph WNW.
The forecast from Apr 19 through Apr 21 stays mostly dry.
Forecast Details
- Last updated
- Apr 15, 2026 4:56 AM CDT
- Coverage
- 3 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 34.
Sunny, with a high near 62.
Mostly clear, with a low around 47.
Mostly sunny, with a high near 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 19
|
Mostly Sunny
|
53°F |
10 to 15 mph
WNW
|
|
Sunday Night
Apr 19
|
Partly Cloudy
|
34°F |
5 to 15 mph
WNW
|
|
Monday
Apr 20
|
Sunny
|
62°F |
5 to 10 mph
SW
|
|
Monday Night
Apr 20
|
Mostly Clear
|
47°F |
10 mph
S
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
72°F |
10 to 15 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Preston Heights.