Winnebago, IL Weather Forecast
Local 7-day forecast
Areas Of Smoke
Track current conditions, temperature changes, wind, and the full daily outlook for Winnebago, IL in one place.
Areas of smoke before noon, then patchy smoke and scattered showers and thunderstorms. Mostly sunny, with a high near 88. Southwest wind 0 to 10 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
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 16, 2026 6:28 PM CDT.
The active forecast window currently covers Jul 17 to Jul 22, 2026 for Winnebago, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 22, 2026
- Latest sync
- Jul 16, 2026 6:28 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Winnebago
Friday looks like the warmest upcoming period in Winnebago at 88 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Saturday at about 10 to 15 mph WNW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 16, 2026 6:28 PM CDT
- Coverage
- 6 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
Scattered showers and thunderstorms before 10pm. Mostly clear, with a low around 73. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 88. West northwest wind 10 to 15 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 63. Chance of precipitation is 30%.
Sunny, with a high near 84.
Partly cloudy, with a low around 64.
A chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 87.
A chance of showers and thunderstorms. Partly cloudy, with a low around 69.
A slight chance of rain showers before 7am. Sunny, with a high near 84.
A slight chance of rain showers between 7pm and 1am. Mostly clear, with a low around 59.
Sunny, with a high near 79.
Mostly clear, with a low around 58.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 17
|
Areas Of Smoke
|
88°F |
0 to 10 mph
SW
|
|
Friday Night
Jul 17
|
Scattered Showers And Thunderstorms then Mostly Clear
|
73°F |
5 to 10 mph
SW
|
|
Saturday
Jul 18
|
Sunny then Chance Showers And Thunderstorms
|
88°F |
10 to 15 mph
WNW
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms then Mostly Clear
|
63°F |
5 to 10 mph
NNE
|
|
Sunday
Jul 19
|
Sunny
|
84°F |
5 mph
ESE
|
|
Sunday Night
Jul 19
|
Partly Cloudy
|
64°F |
5 mph
SSE
|
|
Monday
Jul 20
|
Chance Showers And Thunderstorms
|
87°F |
5 to 15 mph
SW
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
69°F |
10 to 15 mph
W
|
|
Tuesday
Jul 21
|
Slight Chance Rain Showers then Sunny
|
84°F |
10 to 15 mph
NNW
|
|
Tuesday Night
Jul 21
|
Slight Chance Rain Showers
|
59°F |
5 to 15 mph
N
|
|
Wednesday
Jul 22
|
Sunny
|
79°F |
5 to 10 mph
NNW
|
|
Wednesday Night
Jul 22
|
Mostly Clear
|
58°F |
0 to 5 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Winnebago.