Lee County, IL Weather Forecast
County weather hub
Sunny
Compare major city weather across Lee County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 91. Heat index values as high as 99. Northwest wind 0 to 5 mph.
County Weather Overview
This county weather page brings together forecast coverage for Lee County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 2 of 2 mapped cities in Lee County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 14 to Jul 19, 2026
- Latest sync
- Jul 12, 2026 9:14 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Lee County
Wednesday looks like the warmest upcoming period in Lee County at 92 degrees F.
Saturday Night is the coolest period ahead with temperatures near 67 degrees F.
The strongest winds are forecast for Saturday at about 10 to 15 mph WSW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Jul 12, 2026 9:14 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear, with a low around 71. West northwest wind 0 to 5 mph.
Sunny, with a high near 92.
Mostly clear, with a low around 69.
Sunny, with a high near 91.
Mostly clear, with a low around 69.
Sunny, with a high near 90.
Partly cloudy, with a low around 69.
Mostly sunny, with a high near 89.
Mostly clear, with a low around 67.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 88.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
91°F |
0 to 5 mph
NW
|
|
Tuesday Night
Jul 14
|
Clear
|
71°F |
0 to 5 mph
WNW
|
|
Wednesday
Jul 15
|
Sunny
|
92°F |
0 to 5 mph
NW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
69°F |
0 to 5 mph
NNW
|
|
Thursday
Jul 16
|
Sunny
|
91°F |
0 to 5 mph
W
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
69°F |
5 mph
SSW
|
|
Friday
Jul 17
|
Sunny
|
90°F |
5 to 10 mph
SW
|
|
Friday Night
Jul 17
|
Partly Cloudy
|
69°F |
5 to 10 mph
SSW
|
|
Saturday
Jul 18
|
Mostly Sunny
|
89°F |
10 to 15 mph
WSW
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
67°F |
10 mph
WSW
|
|
Sunday
Jul 19
|
Sunny then Slight Chance Showers And Thunderstorms
|
88°F |
10 to 15 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Lee County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Lee County.
Largest mapped city population in this region: 14,927.
