Iroquois County, IL Weather Forecast
County weather hub
Sunny
Compare major city weather across Iroquois County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 90.
County Weather Overview
This county weather page brings together forecast coverage for Iroquois 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 Iroquois County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 16, 2026
- Latest sync
- Jul 10, 2026 1:19 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Iroquois County
Thursday looks like the warmest upcoming period in Iroquois County at 90 degrees F.
Thursday Night is the coolest period ahead with temperatures near 69 degrees F.
The strongest winds are forecast for Thursday at about 0 to 5 mph WSW.
The forecast from Jul 16 through Jul 16 stays mostly dry.
Forecast Details
- Last updated
- Jul 10, 2026 1:19 PM CDT
- Coverage
- 1 day
- 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
Mostly clear, with a low around 69.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Jul 16
|
Sunny
|
90°F |
0 to 5 mph
WSW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
69°F |
0 to 5 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Iroquois County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Iroquois County.
Largest mapped city population in this region: 4,694.
