Lenzburg, IL Weather Forecast
Local 7-day forecast
Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Lenzburg, IL in one place.
Rain showers. Partly sunny. High near 63, with temperatures falling to around 57 in the afternoon. Northwest wind 13 to 16 mph. Chance of precipitation is 80%.
Local Weather Overview
This forecast page for Lenzburg, 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 16, 2026 8:23 PM CDT.
The active forecast window currently covers Apr 18 to Apr 23, 2026 for Lenzburg, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 23, 2026
- Latest sync
- Apr 16, 2026 8:23 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Lenzburg
Wednesday looks like the warmest upcoming period in Lenzburg at 78 degrees F.
Saturday Night is the coolest period ahead with temperatures near 39 degrees F.
The strongest winds are forecast for Saturday at about 13 to 16 mph NW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 16, 2026 8:23 PM CDT
- Coverage
- 6 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
A chance of rain showers before 7pm. Mostly clear, with a low around 39. Northwest wind 5 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Sunny, with a high near 66.
Clear, with a low around 41.
Sunny, with a high near 72.
Mostly clear, with a low around 52.
Sunny, with a high near 77.
Partly cloudy, with a low around 56.
Sunny, with a high near 78.
Mostly clear, with a low around 56.
A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 78. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Rain Showers
|
63°F |
13 to 16 mph
NW
|
|
Saturday Night
Apr 18
|
Chance Rain Showers then Mostly Clear
|
39°F |
5 to 13 mph
NW
|
|
Sunday
Apr 19
|
Sunny
|
66°F |
5 to 13 mph
NW
|
|
Sunday Night
Apr 19
|
Clear
|
41°F |
2 to 8 mph
NE
|
|
Monday
Apr 20
|
Sunny
|
72°F |
3 to 8 mph
SE
|
|
Monday Night
Apr 20
|
Mostly Clear
|
52°F |
8 mph
S
|
|
Tuesday
Apr 21
|
Sunny
|
77°F |
7 to 13 mph
SW
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
56°F |
6 to 10 mph
SW
|
|
Wednesday
Apr 22
|
Sunny
|
78°F |
6 to 9 mph
SW
|
|
Wednesday Night
Apr 22
|
Mostly Clear
|
56°F |
7 mph
S
|
|
Thursday
Apr 23
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
78°F |
6 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lenzburg.