Jo Daviess County, IL Weather Forecast
County weather hub
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Compare major city weather across Jo Daviess County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Partly sunny, with a high near 79. Chance of precipitation is 60%.
County Weather Overview
This county weather page brings together forecast coverage for Jo Daviess County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 4 of 4 mapped cities in Jo Daviess County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 14 to Apr 16, 2026
- Latest sync
- Apr 10, 2026 12:29 AM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Jo Daviess County
Tuesday looks like the warmest upcoming period in Jo Daviess County at 79 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Wednesday at about 10 to 15 mph SW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 10, 2026 12:29 AM CDT
- Coverage
- 3 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KDVN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 80%.
Showers and thunderstorms likely. Partly sunny, with a high near 69. Chance of precipitation is 60%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 48. Chance of precipitation is 50%.
A slight chance of rain showers. Sunny, with a high near 73.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Apr 14
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
79°F |
10 mph
SW
|
|
Tuesday Night
Apr 14
|
Showers And Thunderstorms
|
55°F |
10 mph
S
|
|
Wednesday
Apr 15
|
Showers And Thunderstorms Likely
|
69°F |
10 to 15 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
48°F |
5 to 10 mph
SW
|
|
Thursday
Apr 16
|
Slight Chance Rain Showers
|
73°F |
5 to 10 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Jo Daviess County.
Coverage
Forecast coverage currently spans 4 of 4 mapped cities in Jo Daviess County.
Largest mapped city population in this region: 3,151.