Winnebago, IL Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Winnebago, IL in one place.
Partly sunny, with a high near 79.
Local Weather Overview
This forecast page for Winnebago, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 20, 2026 6:07 AM CDT.
The active forecast window currently covers Apr 23 to Apr 26, 2026 for Winnebago, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 23 to Apr 26, 2026
- Latest sync
- Apr 20, 2026 6:07 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Winnebago
Thursday looks like the warmest upcoming period in Winnebago at 79 degrees F.
Saturday Night is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Thursday at about 10 to 25 mph S.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 20, 2026 6:07 AM 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
Showers and thunderstorms after 7pm. Mostly cloudy, with a low around 59.
Showers and thunderstorms. Mostly cloudy, with a high near 70.
A chance of rain showers before 1am. Mostly cloudy, with a low around 44.
Mostly sunny, with a high near 64.
A slight chance of rain showers after 7pm. Partly cloudy, with a low around 43.
A slight chance of rain showers. Mostly sunny, with a high near 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 23
|
Partly Sunny
|
79°F |
10 to 25 mph
S
|
|
Thursday Night
Apr 23
|
Showers And Thunderstorms
|
59°F |
15 to 20 mph
S
|
|
Friday
Apr 24
|
Showers And Thunderstorms
|
70°F |
15 mph
WSW
|
|
Friday Night
Apr 24
|
Chance Rain Showers
|
44°F |
10 to 15 mph
NW
|
|
Saturday
Apr 25
|
Mostly Sunny
|
64°F |
10 to 15 mph
N
|
|
Saturday Night
Apr 25
|
Slight Chance Rain Showers
|
43°F |
10 mph
NNE
|
|
Sunday
Apr 26
|
Slight Chance Rain Showers
|
63°F |
10 to 15 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Winnebago.