Boone County, IL Weather Forecast
County weather hub
Slight Chance Rain Showers
Compare major city weather across Boone County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of rain showers before 1pm. Mostly sunny, with a high near 82.
County Weather Overview
This county weather page brings together forecast coverage for Boone County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 3 of 3 mapped cities in Boone County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 24 to Jul 25, 2026
- Latest sync
- Jul 19, 2026 12:57 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Boone County
Saturday looks like the warmest upcoming period in Boone County at 85 degrees F.
Friday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Saturday at about 0 to 10 mph SSE.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Jul 19, 2026 12:57 AM CDT
- Coverage
- 2 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KMKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 62.
Mostly sunny, with a high near 85.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 24
|
Slight Chance Rain Showers
|
82°F |
0 to 5 mph
S
|
|
Friday Night
Jul 24
|
Mostly Cloudy
|
62°F |
0 to 5 mph
SSE
|
|
Saturday
Jul 25
|
Mostly Sunny
|
85°F |
0 to 10 mph
SSE
|
Major City Forecasts
Live forecast snapshots for major cities across Boone County.
Coverage
Forecast coverage currently spans 3 of 3 mapped cities in Boone County.
Largest mapped city population in this region: 24,731.