Winnebago, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Winnebago, IL in one place.
Sunny, with a high near 94. Heat index values as high as 98. Northwest wind 0 to 5 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: Jul 14, 2026 12:04 AM CDT.
The active forecast window currently covers Jul 14 to Jul 20, 2026 for Winnebago, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 12:04 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Winnebago
Tuesday looks like the warmest upcoming period in Winnebago at 94 degrees F.
Sunday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Friday at about 5 to 15 mph SSW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 12:04 AM 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 clear, with a low around 70. Heat index values as high as 97. West wind around 5 mph, with gusts as high as 10 mph.
Sunny, with a high near 93. Heat index values as high as 96. West northwest wind around 5 mph.
Mostly clear, with a low around 71. West wind 0 to 5 mph.
Sunny, with a high near 92.
Mostly clear, with a low around 71.
A slight chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Sunny, with a high near 90.
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 72.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 89.
A slight chance of showers and thunderstorms. Mostly clear, with a low around 66.
A slight chance of showers and thunderstorms. Sunny, with a high near 85.
A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 63.
A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
94°F |
0 to 5 mph
NW
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
70°F |
5 mph
W
|
|
Wednesday
Jul 15
|
Sunny
|
93°F |
5 mph
WNW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
71°F |
0 to 5 mph
W
|
|
Thursday
Jul 16
|
Sunny
|
92°F |
0 to 10 mph
WNW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
71°F |
5 to 10 mph
SSE
|
|
Friday
Jul 17
|
Chance Showers And Thunderstorms
|
90°F |
5 to 15 mph
SSW
|
|
Friday Night
Jul 17
|
Chance Showers And Thunderstorms then Mostly Clear
|
72°F |
5 to 15 mph
SW
|
|
Saturday
Jul 18
|
Sunny then Slight Chance Showers And Thunderstorms
|
89°F |
10 to 15 mph
WNW
|
|
Saturday Night
Jul 18
|
Slight Chance Showers And Thunderstorms
|
66°F |
5 to 15 mph
NNE
|
|
Sunday
Jul 19
|
Slight Chance Showers And Thunderstorms
|
85°F |
5 to 10 mph
NE
|
|
Sunday Night
Jul 19
|
Slight Chance Showers And Thunderstorms
|
63°F |
5 to 10 mph
SE
|
|
Monday
Jul 20
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
82°F |
5 to 15 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Winnebago.