Belgium, IL Weather Forecast
Local 7-day forecast
Patchy Frost then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Belgium, IL in one place.
Patchy frost before 8am. Sunny, with a high near 59. West wind 6 to 21 mph, with gusts as high as 29 mph.
Local Weather Overview
This forecast page for Belgium, 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: Apr 18, 2026 12:35 PM CDT.
The active forecast window currently covers Apr 19 to Apr 24, 2026 for Belgium, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 19 to Apr 24, 2026
- Latest sync
- Apr 18, 2026 12:35 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Belgium
Thursday looks like the warmest upcoming period in Belgium at 83 degrees F.
Sunday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Sunday at about 6 to 21 mph W.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 18, 2026 12:35 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KIND
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Areas of frost after 3am. Mostly clear, with a low around 33. North northwest wind 2 to 15 mph, with gusts as high as 22 mph.
Areas of frost before 9am. Sunny, with a high near 58. East wind around 3 mph.
Mostly clear, with a low around 45. South southeast wind 5 to 13 mph, with gusts as high as 21 mph.
Mostly sunny, with a high near 75. South southwest wind 13 to 21 mph, with gusts as high as 28 mph.
A slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 57.
A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 78.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 57.
Sunny, with a high near 83.
A chance of rain showers after 1am. Partly cloudy, with a low around 62.
Rain showers likely before 1pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 76.
Showers and thunderstorms likely. Mostly cloudy, with a low around 49.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 19
|
Patchy Frost then Sunny
|
59°F |
6 to 21 mph
W
|
|
Sunday Night
Apr 19
|
Mostly Clear then Areas Of Frost
|
33°F |
2 to 15 mph
NNW
|
|
Monday
Apr 20
|
Areas Of Frost then Sunny
|
58°F |
3 mph
E
|
|
Monday Night
Apr 20
|
Mostly Clear
|
45°F |
5 to 13 mph
SSE
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
75°F |
13 to 21 mph
SSW
|
|
Tuesday Night
Apr 21
|
Slight Chance Showers And Thunderstorms
|
57°F |
8 to 14 mph
SW
|
|
Wednesday
Apr 22
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
78°F |
8 mph
WSW
|
|
Wednesday Night
Apr 22
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
57°F |
7 mph
SSW
|
|
Thursday
Apr 23
|
Sunny
|
83°F |
7 to 18 mph
S
|
|
Thursday Night
Apr 23
|
Partly Cloudy then Chance Rain Showers
|
62°F |
13 to 16 mph
S
|
|
Friday
Apr 24
|
Rain Showers Likely
|
76°F |
16 to 20 mph
S
|
|
Friday Night
Apr 24
|
Showers And Thunderstorms Likely
|
49°F |
12 to 15 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Belgium.