Vernon, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Vernon, IL in one place.
Sunny, with a high near 90. Northeast wind 0 to 3 mph.
Local Weather Overview
This forecast page for Vernon, 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: Jul 14, 2026 10:24 PM CDT.
The active forecast window currently covers Jul 15 to Jul 21, 2026 for Vernon, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 21, 2026
- Latest sync
- Jul 14, 2026 10:24 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Vernon
Saturday looks like the warmest upcoming period in Vernon at 91 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 72 degrees F.
The strongest winds are forecast for Tuesday at about 3 to 9 mph W.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 10:24 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KVWX
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 72. East wind around 2 mph.
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. South wind around 2 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 73. Southwest wind around 1 mph. Chance of precipitation is 40%.
Showers and thunderstorms likely after 7am. Mostly sunny, with a high near 89. Chance of precipitation is 70%.
Showers and thunderstorms likely before 1am. Partly cloudy, with a low around 73. Chance of precipitation is 70%.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 74. Chance of precipitation is 20%.
Sunny, with a high near 91.
Mostly clear, with a low around 73.
Mostly sunny, with a high near 91.
Partly cloudy, with a low around 73.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Sunny
|
90°F |
0 to 3 mph
NE
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
72°F |
2 mph
E
|
|
Thursday
Jul 16
|
Sunny then Chance Showers And Thunderstorms
|
90°F |
2 mph
S
|
|
Thursday Night
Jul 16
|
Chance Showers And Thunderstorms then Partly Cloudy
|
73°F |
1 mph
SW
|
|
Friday
Jul 17
|
Showers And Thunderstorms Likely
|
89°F |
1 to 5 mph
W
|
|
Friday Night
Jul 17
|
Showers And Thunderstorms Likely
|
73°F |
3 mph
SW
|
|
Saturday
Jul 18
|
Sunny then Slight Chance Showers And Thunderstorms
|
91°F |
3 to 8 mph
W
|
|
Saturday Night
Jul 18
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
74°F |
5 mph
W
|
|
Sunday
Jul 19
|
Sunny
|
91°F |
6 mph
W
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
73°F |
5 mph
SW
|
|
Monday
Jul 20
|
Mostly Sunny
|
91°F |
3 to 8 mph
SW
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
73°F |
6 mph
SW
|
|
Tuesday
Jul 21
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
89°F |
3 to 9 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Vernon.