Brussels, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Brussels, IL in one place.
Sunny, with a high near 81. East wind 3 to 7 mph.
Local Weather Overview
This forecast page for Brussels, 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 2, 2026 6:21 AM CDT.
The active forecast window currently covers Jun 3 to Jun 8, 2026 for Brussels, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 3 to Jun 8, 2026
- Latest sync
- Jun 2, 2026 6:21 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Brussels
Sunday looks like the warmest upcoming period in Brussels at 88 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Friday at about 6 to 9 mph S.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 2, 2026 6:21 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 60. Southeast wind 2 to 7 mph.
Sunny, with a high near 86.
Partly cloudy, with a low around 64.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Chance of precipitation is 20%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.
A chance of rain showers before 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 70%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 3
|
Sunny
|
81°F |
3 to 7 mph
E
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
60°F |
2 to 7 mph
SE
|
|
Thursday
Jun 4
|
Sunny
|
86°F |
2 to 8 mph
S
|
|
Thursday Night
Jun 4
|
Partly Cloudy
|
64°F |
8 mph
S
|
|
Friday
Jun 5
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
87°F |
6 to 9 mph
S
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
67°F |
8 mph
S
|
|
Saturday
Jun 6
|
Chance Showers And Thunderstorms
|
87°F |
8 mph
S
|
|
Saturday Night
Jun 6
|
Chance Showers And Thunderstorms
|
68°F |
6 mph
S
|
|
Sunday
Jun 7
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
88°F |
7 mph
S
|
|
Sunday Night
Jun 7
|
Chance Showers And Thunderstorms
|
69°F |
7 mph
S
|
|
Monday
Jun 8
|
Showers And Thunderstorms Likely
|
88°F |
8 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Brussels.
Nearby forecast pages are not available for this location yet.