Boone County, IL Weather Forecast
County weather hub
Chance Showers And Thunderstorms
Compare major city weather across Boone County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of rain showers before 10am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 72.
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
- Apr 12 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 5:10 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Boone County
Tuesday looks like the warmest upcoming period in Boone County at 79 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 49 degrees F.
The strongest winds are forecast for Sunday at about 15 to 25 mph SSW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 5:10 PM CDT
- Coverage
- 4 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
A chance of showers and thunderstorms. Cloudy, with a low around 61.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 77.
A chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 63.
Showers and thunderstorms likely. Mostly cloudy, with a high near 79.
Showers and thunderstorms. Mostly cloudy, with a low around 56.
Showers and thunderstorms likely. Partly sunny, with a high near 69.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 12
|
Chance Showers And Thunderstorms
|
72°F |
15 to 25 mph
SSW
|
|
Sunday Night
Apr 12
|
Chance Showers And Thunderstorms
|
61°F |
15 to 20 mph
SW
|
|
Monday
Apr 13
|
Chance Showers And Thunderstorms
|
77°F |
15 mph
SW
|
|
Monday Night
Apr 13
|
Chance Showers And Thunderstorms
|
63°F |
10 to 15 mph
SSW
|
|
Tuesday
Apr 14
|
Showers And Thunderstorms Likely
|
79°F |
15 mph
SSW
|
|
Tuesday Night
Apr 14
|
Showers And Thunderstorms
|
56°F |
15 mph
SSW
|
|
Wednesday
Apr 15
|
Showers And Thunderstorms Likely
|
69°F |
15 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
49°F |
10 to 15 mph
WSW
|
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.
