Jo Daviess County, IL Weather Forecast
County weather hub
Slight Chance Showers And Thunderstorms then Mostly Sunny
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 slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 70.
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
- Oct 13 to Oct 16, 2026
- Latest sync
- Oct 10, 2026 2:47 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 70 degrees F.
Thursday Night is the coolest period ahead with temperatures near 49 degrees F.
The strongest winds are forecast for Thursday at about 10 to 15 mph S.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 10, 2026 2:47 AM CDT
- Coverage
- 4 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
A chance of rain showers after 1am. Partly cloudy, with a low around 50. Chance of precipitation is 30%.
A chance of rain showers. Mostly sunny, with a high near 66. Chance of precipitation is 40%.
A chance of rain showers before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
A chance of rain showers. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
A slight chance of rain showers. Mostly sunny, with a high near 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
70°F |
5 to 10 mph
N
|
|
Tuesday Night
Oct 13
|
Partly Cloudy then Chance Rain Showers
|
50°F |
5 mph
NE
|
|
Wednesday
Oct 14
|
Chance Rain Showers
|
66°F |
5 to 10 mph
E
|
|
Wednesday Night
Oct 14
|
Showers And Thunderstorms Likely
|
51°F |
5 to 10 mph
SE
|
|
Thursday
Oct 15
|
Showers And Thunderstorms Likely
|
67°F |
10 to 15 mph
S
|
|
Thursday Night
Oct 15
|
Chance Rain Showers
|
49°F |
10 to 15 mph
W
|
|
Friday
Oct 16
|
Slight Chance Rain Showers
|
60°F |
15 mph
W
|
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.
