Winfield, IL Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Winfield, IL in one place.
Partly sunny, with a high near 81. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Local Weather Overview
This forecast page for Winfield, 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: Aug 27, 2026 10:27 PM CDT.
The active forecast window currently covers Aug 29 to Sep 3, 2026 for Winfield, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 3, 2026
- Latest sync
- Aug 27, 2026 10:27 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Winfield
Monday looks like the warmest upcoming period in Winfield at 87 degrees F.
Saturday Night is the coolest period ahead with temperatures near 67 degrees F.
The strongest winds are forecast for Sunday at about 10 to 15 mph S.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 27, 2026 10:27 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7am. Partly sunny, with a high near 85. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72.
A slight chance of showers and thunderstorms before 7am. Partly sunny, with a high near 87.
A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 73.
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87.
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 87.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Partly Sunny
|
81°F |
5 to 10 mph
SSW
|
|
Saturday Night
Aug 29
|
Chance Showers And Thunderstorms
|
67°F |
10 mph
S
|
|
Sunday
Aug 30
|
Chance Showers And Thunderstorms then Partly Sunny
|
85°F |
10 to 15 mph
S
|
|
Sunday Night
Aug 30
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
72°F |
10 to 15 mph
SSW
|
|
Monday
Aug 31
|
Slight Chance Showers And Thunderstorms then Partly Sunny
|
87°F |
10 to 15 mph
SSW
|
|
Monday Night
Aug 31
|
Mostly Cloudy then Slight Chance Showers And Thunderstorms
|
73°F |
5 to 10 mph
SSW
|
|
Tuesday
Sep 1
|
Slight Chance Showers And Thunderstorms
|
87°F |
5 to 10 mph
SW
|
|
Tuesday Night
Sep 1
|
Partly Cloudy then Chance Showers And Thunderstorms
|
71°F |
5 mph
SSW
|
|
Wednesday
Sep 2
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
87°F |
5 mph
SW
|
|
Wednesday Night
Sep 2
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
70°F |
5 mph
S
|
|
Thursday
Sep 3
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
85°F |
5 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Winfield.
