Lyndon, IL Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Lyndon, IL in one place.
Partly sunny, with a high near 82. South wind 5 to 15 mph, with gusts as high as 25 mph.
Local Weather Overview
This forecast page for Lyndon, 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 28, 2026 5:48 PM CDT.
The active forecast window currently covers Aug 29 to Sep 3, 2026 for Lyndon, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 3, 2026
- Latest sync
- Aug 28, 2026 5:48 PM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Lyndon
Monday looks like the warmest upcoming period in Lyndon at 92 degrees F.
Saturday Night is the coolest period ahead with temperatures near 69 degrees F.
The strongest winds are forecast for Saturday at about 5 to 15 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 28, 2026 5:48 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KDVN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Mostly sunny, with a high near 89.
A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 73.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 92.
Partly cloudy, with a low around 74.
Mostly sunny, with a high near 92.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 92.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 72.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 90.
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 71.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Partly Sunny
|
82°F |
5 to 15 mph
S
|
|
Saturday Night
Aug 29
|
Mostly Cloudy then Slight Chance Showers And Thunderstorms
|
69°F |
10 to 15 mph
S
|
|
Sunday
Aug 30
|
Mostly Sunny
|
89°F |
10 to 15 mph
S
|
|
Sunday Night
Aug 30
|
Mostly Cloudy then Slight Chance Showers And Thunderstorms
|
73°F |
10 mph
S
|
|
Monday
Aug 31
|
Slight Chance Rain Showers then Mostly Sunny
|
92°F |
10 mph
S
|
|
Monday Night
Aug 31
|
Partly Cloudy
|
74°F |
5 to 10 mph
S
|
|
Tuesday
Sep 1
|
Mostly Sunny
|
92°F |
5 mph
SW
|
|
Tuesday Night
Sep 1
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
74°F |
5 mph
S
|
|
Wednesday
Sep 2
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
92°F |
5 to 10 mph
SW
|
|
Wednesday Night
Sep 2
|
Partly Cloudy then Slight Chance Rain Showers
|
72°F |
5 mph
SE
|
|
Thursday
Sep 3
|
Slight Chance Rain Showers then Mostly Sunny
|
90°F |
5 mph
S
|
|
Thursday Night
Sep 3
|
Slight Chance Showers And Thunderstorms
|
71°F |
5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lyndon.