Bourbonnais, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Bourbonnais, IL in one place.
Scattered rain showers before 1pm, then showers and thunderstorms. Cloudy. High near 69, with temperatures falling to around 66 in the afternoon. Southeast wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Bourbonnais, 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 15, 2026 1:52 PM CDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Bourbonnais, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 1:52 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Bourbonnais
Wednesday looks like the warmest upcoming period in Bourbonnais at 73 degrees F.
Friday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Tonight at about 10 to 20 mph WSW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 1:52 PM CDT
- Coverage
- 7 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 chance of showers and thunderstorms before 2am. Mostly cloudy. Low around 46, with temperatures rising to around 49 overnight. West southwest wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Scattered rain showers after 10am. Mostly cloudy, with a high near 52. Northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Scattered rain showers before 1am. Partly cloudy, with a low around 37. North northwest wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 40%.
Patchy frost between 7am and 8am. Sunny, with a high near 56. West northwest wind 5 to 10 mph.
Areas of frost after 4am. Clear, with a low around 37.
Areas of frost before 7am. Sunny, with a high near 63.
Mostly clear, with a low around 39.
Sunny, with a high near 70.
Partly cloudy, with a low around 41.
Mostly sunny, with a high near 72.
Mostly clear, with a low around 43.
Sunny, with a high near 73.
Mostly clear, with a low around 47.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 15
|
Showers And Thunderstorms
|
69°F |
10 mph
SE
|
|
Tonight
Oct 15
|
Chance Showers And Thunderstorms
|
46°F |
10 to 20 mph
WSW
|
|
Friday
Oct 16
|
Scattered Rain Showers
|
52°F |
15 to 20 mph
NW
|
|
Friday Night
Oct 16
|
Scattered Rain Showers
|
37°F |
10 to 15 mph
NNW
|
|
Saturday
Oct 17
|
Patchy Frost then Sunny
|
56°F |
5 to 10 mph
WNW
|
|
Saturday Night
Oct 17
|
Clear then Areas Of Frost
|
37°F |
5 mph
SSW
|
|
Sunday
Oct 18
|
Areas Of Frost then Sunny
|
63°F |
5 to 15 mph
SSW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
39°F |
0 to 5 mph
S
|
|
Monday
Oct 19
|
Sunny
|
70°F |
0 to 5 mph
SSW
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
41°F |
0 mph
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
72°F |
0 mph
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
43°F |
0 mph
|
|
Wednesday
Oct 21
|
Sunny
|
73°F |
0 to 5 mph
SSE
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
47°F |
0 to 5 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Bourbonnais.
