Preston, IL Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Preston, IL in one place.
Partly sunny, with a high near 76. North wind 5 to 9 mph.
Local Weather Overview
This forecast page for Preston, 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 8:56 PM CDT.
The active forecast window currently covers Sep 23 to Sep 29, 2026 for Preston, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 23 to Sep 29, 2026
- Latest sync
- Sep 22, 2026 8:56 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Preston
Tuesday looks like the warmest upcoming period in Preston at 85 degrees F.
Friday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 9 mph N.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Sep 22, 2026 8:56 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
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. North wind 2 to 8 mph.
Mostly sunny, with a high near 77. North wind around 6 mph.
Partly cloudy, with a low around 56. Northeast wind 1 to 5 mph.
Mostly sunny, with a high near 79.
Mostly cloudy, with a low around 53.
Partly sunny, with a high near 76.
Mostly cloudy, with a low around 55.
Partly sunny, with a high near 80.
Partly cloudy, with a low around 56.
Mostly sunny, with a high near 83.
Partly cloudy, with a low around 58.
A chance of rain showers after 7am. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 23
|
Partly Sunny
|
76°F |
5 to 9 mph
N
|
|
Wednesday Night
Sep 23
|
Mostly Cloudy
|
54°F |
2 to 8 mph
N
|
|
Thursday
Sep 24
|
Mostly Sunny
|
77°F |
6 mph
N
|
|
Thursday Night
Sep 24
|
Partly Cloudy
|
56°F |
1 to 5 mph
NE
|
|
Friday
Sep 25
|
Mostly Sunny
|
79°F |
5 mph
NE
|
|
Friday Night
Sep 25
|
Mostly Cloudy
|
53°F |
3 mph
E
|
|
Saturday
Sep 26
|
Partly Sunny
|
76°F |
3 mph
E
|
|
Saturday Night
Sep 26
|
Mostly Cloudy
|
55°F |
2 mph
E
|
|
Sunday
Sep 27
|
Partly Sunny
|
80°F |
2 mph
SE
|
|
Sunday Night
Sep 27
|
Partly Cloudy
|
56°F |
2 mph
SE
|
|
Monday
Sep 28
|
Mostly Sunny
|
83°F |
1 to 5 mph
SE
|
|
Monday Night
Sep 28
|
Partly Cloudy
|
58°F |
3 mph
SE
|
|
Tuesday
Sep 29
|
Chance Rain Showers
|
85°F |
3 to 8 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Preston.