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. High near 79, with temperatures falling to around 77 in the afternoon. East wind 5 to 15 mph, with gusts as high as 25 mph.
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: May 29, 2026 10:17 PM CDT.
The active forecast window currently covers May 30 to Jun 5, 2026 for Winnebago, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 5, 2026
- Latest sync
- May 29, 2026 10:17 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Winnebago
Thursday looks like the warmest upcoming period in Winnebago at 88 degrees F.
Saturday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Saturday at about 5 to 15 mph E.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- May 29, 2026 10:17 PM CDT
- Coverage
- 7 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
Mostly cloudy, with a low around 53. East wind 5 to 15 mph, with gusts as high as 25 mph.
Partly sunny, with a high near 78. East southeast wind 5 to 10 mph.
Mostly cloudy, with a low around 55. East southeast wind 0 to 5 mph.
Partly sunny, with a high near 83.
Partly cloudy, with a low around 53.
Sunny, with a high near 84.
Mostly clear, with a low around 53.
Sunny, with a high near 86.
Mostly clear, with a low around 60.
Mostly sunny, with a high near 88.
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 87.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Partly Sunny
|
79°F |
5 to 15 mph
E
|
|
Saturday Night
May 30
|
Mostly Cloudy
|
53°F |
5 to 15 mph
E
|
|
Sunday
May 31
|
Partly Sunny
|
78°F |
5 to 10 mph
ESE
|
|
Sunday Night
May 31
|
Mostly Cloudy
|
55°F |
0 to 5 mph
ESE
|
|
Monday
Jun 1
|
Partly Sunny
|
83°F |
0 to 10 mph
NE
|
|
Monday Night
Jun 1
|
Partly Cloudy
|
53°F |
5 to 10 mph
ENE
|
|
Tuesday
Jun 2
|
Sunny
|
84°F |
5 to 10 mph
ENE
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
53°F |
0 to 10 mph
ESE
|
|
Wednesday
Jun 3
|
Sunny
|
86°F |
0 to 5 mph
S
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
60°F |
5 mph
S
|
|
Thursday
Jun 4
|
Mostly Sunny
|
88°F |
5 to 15 mph
SSW
|
|
Thursday Night
Jun 4
|
Slight Chance Showers And Thunderstorms
|
64°F |
5 to 10 mph
SSW
|
|
Friday
Jun 5
|
Chance Showers And Thunderstorms
|
87°F |
5 to 15 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Winnebago.