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 65. East northeast wind around 10 mph, with gusts as high as 20 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: Sep 23, 2026 2:08 PM CDT.
The active forecast window currently covers Sep 23 to Sep 29, 2026 for Winnebago, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 23 to Sep 29, 2026
- Latest sync
- Sep 23, 2026 2:08 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Winnebago
Tuesday looks like the warmest upcoming period in Winnebago at 72 degrees F.
Friday Night is the coolest period ahead with temperatures near 49 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 15 mph SSE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 23, 2026 2:08 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
Partly cloudy. Low around 51, with temperatures rising to around 53 overnight. East northeast wind 5 to 10 mph.
Mostly sunny. High near 68, with temperatures falling to around 66 in the afternoon. East northeast wind 5 to 10 mph.
Mostly cloudy, with a low around 53. East wind around 5 mph.
Partly sunny, with a high near 66. East wind around 5 mph.
Mostly cloudy, with a low around 49.
Partly sunny, with a high near 64.
A chance of rain showers after 1am. Mostly cloudy, with a low around 51.
A chance of rain showers before 1pm. Mostly cloudy, with a high near 66.
Mostly cloudy, with a low around 52.
Mostly sunny, with a high near 71.
Partly cloudy, with a low around 56.
A chance of rain showers after 7am. Partly sunny, with a high near 72.
Rain showers likely. Mostly cloudy, with a low around 58.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Sep 23
|
Partly Sunny
|
65°F |
10 mph
ENE
|
|
Tonight
Sep 23
|
Partly Cloudy
|
51°F |
5 to 10 mph
ENE
|
|
Thursday
Sep 24
|
Mostly Sunny
|
68°F |
5 to 10 mph
ENE
|
|
Thursday Night
Sep 24
|
Mostly Cloudy
|
53°F |
5 mph
E
|
|
Friday
Sep 25
|
Partly Sunny
|
66°F |
5 mph
E
|
|
Friday Night
Sep 25
|
Mostly Cloudy
|
49°F |
5 mph
E
|
|
Saturday
Sep 26
|
Partly Sunny
|
64°F |
5 to 10 mph
ESE
|
|
Saturday Night
Sep 26
|
Mostly Cloudy then Chance Rain Showers
|
51°F |
0 to 5 mph
SE
|
|
Sunday
Sep 27
|
Chance Rain Showers
|
66°F |
0 to 5 mph
SE
|
|
Sunday Night
Sep 27
|
Mostly Cloudy
|
52°F |
0 mph
|
|
Monday
Sep 28
|
Mostly Sunny
|
71°F |
0 to 5 mph
SE
|
|
Monday Night
Sep 28
|
Partly Cloudy
|
56°F |
5 mph
SSE
|
|
Tuesday
Sep 29
|
Chance Rain Showers
|
72°F |
5 to 15 mph
SSE
|
|
Tuesday Night
Sep 29
|
Rain Showers Likely
|
58°F |
10 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Winnebago.