Bannockburn, IL Weather Forecast
Local 7-day forecast
Rain Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Bannockburn, IL in one place.
Rain likely. Cloudy. High near 55, with temperatures falling to around 49 in the afternoon. North northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Bannockburn, 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: Nov 11, 2026 2:06 PM CST.
The active forecast window currently covers Nov 11 to Nov 17, 2026 for Bannockburn, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 11 to Nov 17, 2026
- Latest sync
- Nov 11, 2026 2:06 PM CST
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Bannockburn
Veterans Day looks like the warmest upcoming period in Bannockburn at 55 degrees F.
Friday Night is the coolest period ahead with temperatures near 29 degrees F.
The strongest winds are forecast for Thursday at about 15 to 20 mph NNW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 11, 2026 2:06 PM CST
- Coverage
- 8 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. Mostly cloudy. Low around 39, with temperatures rising to around 41 overnight. North northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Rain likely. Mostly cloudy. High near 45, with temperatures falling to around 42 in the afternoon. North northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain before 8pm, then a chance of rain and snow between 8pm and 9pm, then a slight chance of rain and snow between 9pm and 3am. Mostly cloudy, with a low around 33. North northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Partly sunny, with a high near 44. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Partly cloudy, with a low around 29.
Mostly sunny, with a high near 46.
Mostly clear, with a low around 30.
Mostly sunny, with a high near 49.
Partly cloudy, with a low around 30.
Mostly sunny, with a high near 50.
Partly cloudy, with a low around 31.
Sunny, with a high near 51.
Mostly clear, with a low around 31.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Veterans Day
Nov 11
|
Rain Likely
|
55°F |
10 mph
NNE
|
|
Tonight
Nov 11
|
Slight Chance Rain
|
39°F |
10 to 15 mph
NNW
|
|
Thursday
Nov 12
|
Rain Likely
|
45°F |
15 to 20 mph
NNW
|
|
Thursday Night
Nov 12
|
Chance Rain And Snow then Slight Chance Rain And Snow
|
33°F |
15 mph
NNW
|
|
Friday
Nov 13
|
Partly Sunny
|
44°F |
10 to 15 mph
NNW
|
|
Friday Night
Nov 13
|
Partly Cloudy
|
29°F |
10 mph
NNW
|
|
Saturday
Nov 14
|
Mostly Sunny
|
46°F |
5 to 10 mph
NNW
|
|
Saturday Night
Nov 14
|
Mostly Clear
|
30°F |
0 mph
|
|
Sunday
Nov 15
|
Mostly Sunny
|
49°F |
0 to 5 mph
N
|
|
Sunday Night
Nov 15
|
Partly Cloudy
|
30°F |
0 mph
|
|
Monday
Nov 16
|
Mostly Sunny
|
50°F |
0 mph
|
|
Monday Night
Nov 16
|
Partly Cloudy
|
31°F |
0 mph
|
|
Tuesday
Nov 17
|
Sunny
|
51°F |
0 to 5 mph
SSW
|
|
Tuesday Night
Nov 17
|
Mostly Clear
|
31°F |
0 mph
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Bannockburn.