Winnebago, IL Weather Forecast
Local 7-day forecast
Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Winnebago, IL in one place.
Clear. Low around 65, with temperatures rising to around 69 overnight. West southwest 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: Oct 13, 2026 7:09 AM CDT.
The active forecast window currently covers Oct 13 to Oct 19, 2026 for Winnebago, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 7:09 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Winnebago
Tuesday looks like the warmest upcoming period in Winnebago at 76 degrees F.
Friday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Friday at about 15 to 25 mph NW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 7:09 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
Sunny. High near 76, with temperatures falling to around 74 in the afternoon. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
A chance of showers and thunderstorms after 7pm. Mostly cloudy. Low around 58, with temperatures rising to around 60 overnight. North northwest wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of showers and thunderstorms before 7am. Mostly cloudy, with a high near 65. North northeast wind 5 to 10 mph. Chance of precipitation is 20%.
A slight chance of rain after 1am. Mostly cloudy, with a low around 52. East northeast wind around 10 mph. Chance of precipitation is 20%.
Rain likely before 1pm, then rain and a chance of thunderstorms. Cloudy, with a high near 60. Chance of precipitation is 80%.
Rain and a chance of thunderstorms before 1am. Mostly cloudy, with a low around 44.
Mostly sunny, with a high near 54.
Mostly clear, with a low around 32.
Sunny, with a high near 57.
Clear, with a low around 38.
Sunny, with a high near 64.
Partly cloudy, with a low around 46.
A slight chance of rain showers between 7am and 1pm. Mostly sunny, with a high near 66.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Oct 13
|
Clear
|
65°F |
10 mph
WSW
|
|
Tuesday
Oct 13
|
Sunny
|
76°F |
5 to 10 mph
WNW
|
|
Tuesday Night
Oct 13
|
Chance Showers And Thunderstorms
|
58°F |
5 to 10 mph
NNW
|
|
Wednesday
Oct 14
|
Slight Chance Showers And Thunderstorms then Mostly Cloudy
|
65°F |
5 to 10 mph
NNE
|
|
Wednesday Night
Oct 14
|
Mostly Cloudy then Slight Chance Rain
|
52°F |
10 mph
ENE
|
|
Thursday
Oct 15
|
Rain
|
60°F |
5 to 10 mph
ENE
|
|
Thursday Night
Oct 15
|
Rain
|
44°F |
5 to 15 mph
NNW
|
|
Friday
Oct 16
|
Mostly Sunny
|
54°F |
15 to 25 mph
NW
|
|
Friday Night
Oct 16
|
Mostly Clear
|
32°F |
0 to 15 mph
NNW
|
|
Saturday
Oct 17
|
Sunny
|
57°F |
0 to 10 mph
W
|
|
Saturday Night
Oct 17
|
Clear
|
38°F |
5 to 10 mph
SSW
|
|
Sunday
Oct 18
|
Sunny
|
64°F |
10 to 20 mph
SSW
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
46°F |
5 to 15 mph
SSW
|
|
Monday
Oct 19
|
Slight Chance Rain Showers
|
66°F |
5 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Winnebago.