Zion, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Zion, IL in one place.
Sunny. High near 74, with temperatures falling to around 72 in the afternoon. North northwest wind 0 to 5 mph.
Local Weather Overview
This forecast page for Zion, 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: Aug 23, 2026 4:00 PM CDT.
The active forecast window currently covers Aug 24 to Aug 29, 2026 for Zion, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 24 to Aug 29, 2026
- Latest sync
- Aug 23, 2026 4:00 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Zion
Wednesday looks like the warmest upcoming period in Zion at 82 degrees F.
Monday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Wednesday at about 10 to 15 mph SW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 4:00 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KMKX
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 56. Southwest wind 0 to 5 mph.
Mostly sunny, with a high near 78. South southwest wind 0 to 10 mph.
Partly cloudy, with a low around 63.
A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 82.
A chance of showers and thunderstorms before 1am. Mostly clear, with a low around 62.
Sunny, with a high near 79.
Mostly clear, with a low around 61.
Mostly sunny, with a high near 77.
Partly cloudy, with a low around 61.
Mostly sunny, with a high near 77.
A chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 65.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 24
|
Sunny
|
74°F |
0 to 5 mph
NNW
|
|
Monday Night
Aug 24
|
Mostly Clear
|
56°F |
0 to 5 mph
SW
|
|
Tuesday
Aug 25
|
Mostly Sunny
|
78°F |
0 to 10 mph
SSW
|
|
Tuesday Night
Aug 25
|
Partly Cloudy
|
63°F |
5 to 10 mph
S
|
|
Wednesday
Aug 26
|
Chance Showers And Thunderstorms
|
82°F |
10 to 15 mph
SW
|
|
Wednesday Night
Aug 26
|
Chance Showers And Thunderstorms
|
62°F |
5 to 10 mph
W
|
|
Thursday
Aug 27
|
Sunny
|
79°F |
5 to 10 mph
NW
|
|
Thursday Night
Aug 27
|
Mostly Clear
|
61°F |
5 mph
NW
|
|
Friday
Aug 28
|
Mostly Sunny
|
77°F |
5 to 10 mph
NE
|
|
Friday Night
Aug 28
|
Partly Cloudy
|
61°F |
5 mph
SE
|
|
Saturday
Aug 29
|
Mostly Sunny
|
77°F |
5 to 10 mph
SSE
|
|
Saturday Night
Aug 29
|
Chance Showers And Thunderstorms
|
65°F |
5 to 10 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Zion.
