Banner, IL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Banner, IL in one place.
Mostly sunny, with a high near 91. Heat index values as high as 102. West southwest wind 3 to 7 mph. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Banner, 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: Jun 8, 2026 5:45 AM CDT.
The active forecast window currently covers Jun 9 to Jun 14, 2026 for Banner, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 5:45 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Banner
Wednesday looks like the warmest upcoming period in Banner at 93 degrees F.
Thursday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Wednesday at about 7 to 15 mph SSW.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 5:45 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms after 7pm. Mostly clear, with a low around 72. South southwest wind 3 to 7 mph, with gusts as high as 16 mph. Chance of precipitation is 30%.
A slight chance of rain showers before 7am. Sunny, with a high near 93. South southwest wind 7 to 15 mph, with gusts as high as 26 mph.
Showers and thunderstorms likely after 7pm. Partly cloudy, with a low around 70. South southwest wind 6 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely before 1pm, then showers and thunderstorms likely. Mostly sunny, with a high near 90. Chance of precipitation is 70%.
Showers and thunderstorms likely before 7pm, then showers and thunderstorms likely. Partly cloudy, with a low around 64. Chance of precipitation is 70%.
A slight chance of rain showers. Sunny, with a high near 88.
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly clear, with a low around 64.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Showers and thunderstorms likely. Partly cloudy, with a low around 64.
Rain showers likely before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Mostly Sunny
|
91°F |
3 to 7 mph
WSW
|
|
Tuesday Night
Jun 9
|
Chance Showers And Thunderstorms
|
72°F |
3 to 7 mph
SSW
|
|
Wednesday
Jun 10
|
Slight Chance Rain Showers then Sunny
|
93°F |
7 to 15 mph
SSW
|
|
Wednesday Night
Jun 10
|
Showers And Thunderstorms Likely
|
70°F |
6 to 14 mph
SSW
|
|
Thursday
Jun 11
|
Showers And Thunderstorms Likely
|
90°F |
6 to 12 mph
SW
|
|
Thursday Night
Jun 11
|
Showers And Thunderstorms Likely
|
64°F |
3 to 8 mph
W
|
|
Friday
Jun 12
|
Slight Chance Rain Showers
|
88°F |
2 to 6 mph
W
|
|
Friday Night
Jun 12
|
Chance Showers And Thunderstorms
|
64°F |
3 mph
SSW
|
|
Saturday
Jun 13
|
Chance Rain Showers
|
88°F |
3 to 7 mph
SSW
|
|
Saturday Night
Jun 13
|
Showers And Thunderstorms Likely
|
64°F |
2 to 6 mph
WSW
|
|
Sunday
Jun 14
|
Chance Showers And Thunderstorms
|
83°F |
5 to 8 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Banner.