Winnebago County, IL Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Winnebago County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 50.
County Weather Overview
This county weather page brings together forecast coverage for Winnebago County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 5 of 5 mapped cities in Winnebago County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Nov 12, 2026
- Latest sync
- Nov 6, 2026 4:16 PM CST
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Winnebago County
Thursday looks like the warmest upcoming period in Winnebago County at 50 degrees F.
Thursday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Thursday at about 5 to 10 mph N.
The forecast from Nov 12 through Nov 12 stays mostly dry.
Forecast Details
- Last updated
- Nov 6, 2026 4:16 PM CST
- 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
Partly cloudy, with a low around 30.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Nov 12
|
Mostly Sunny
|
50°F |
5 to 10 mph
N
|
|
Thursday Night
Nov 12
|
Partly Cloudy
|
30°F |
5 mph
NNW
|
Major City Forecasts
Live forecast snapshots for major cities across Winnebago County.
Coverage
Forecast coverage currently spans 5 of 5 mapped cities in Winnebago County.
Largest mapped city population in this region: 144,835.
