Winnebago County, IL Weather Forecast
County weather hub
Slight Chance Rain Showers
Compare major city weather across Winnebago County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of rain showers. Mostly sunny, with a high near 71.
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
- Apr 23, 2026
- Latest sync
- Apr 17, 2026 12:16 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Winnebago County
Thursday looks like the warmest upcoming period in Winnebago County at 71 degrees F.
Thursday is the coolest period ahead with temperatures near 71 degrees F.
The strongest winds are forecast for Thursday at about 10 to 15 mph SE.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Apr 17, 2026 12:16 AM CDT
- Coverage
- 1 day
- 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
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 23
|
Slight Chance Rain Showers
|
71°F |
10 to 15 mph
SE
|
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.