Brussels, Illinois Weather
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Weather Forecast for Brussels, Illinois : Calhoun County
Issued: 5:26 am CDT Sep 16, 2025 Latitude: 38.9494939 Longitude: -90.5887314 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
Morning Fog on Today Mostly Clear on Tonight Sunny on Wednesday Mostly Sunny on Thursday 50% chance of thunderstorms on Friday 30% chance of thunderstorms on Saturday 30% chance of on Sunday 30% chance of thunderstorms on Monday
High: 93°F Low: 64°F High: 92°F High: 93°F High: 83°F High: 84°F High: 85°F High: 86°F
Low: 63°F Low: 67°F Low: 64°F Low: 64°F Low: 66°F  
Morning Fog Mostly Clear Sunny Mostly Sunny Thunderstorms Thunderstorms Partly Sunny Thunderstorms
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Current Conditions at
ST CHARLES - (KSET)
66°
Clear
as of 4:54 AM CDST
Rel. Humidity: 88%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
3 MPH
320° Northwest
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
72°
Clear
as of 4:51 AM CDST
Rel. Humidity: 73%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
3 MPH
040° Northeast
Cloud Level(s): Clear
Current Conditions at
SPIRIT OF ST LOUIS - (KSUS)
63°
Clear
Mist
as of 4:54 AM CDST
Rel. Humidity: 100%
Dew Point: 63°F
Visibility: 5 Miles
Pressure: 30.11 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
LITCHFIELD MUNI ARP - (K3LF)
61°
Clear
as of 5:15 AM CDST
Rel. Humidity: 87%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
5 MPH
0° North
Cloud Level(s): Clear
Morning Fog on Today Today... Patchy fog before 7am. Otherwise, sunny, with a high near 93. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 64. Northeast wind 3 to 5 mph.
Sunny on Wednesday Wednesday... Sunny, with a high near 92. Light east wind.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 63. Light east wind.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 93. Calm wind becoming south around 6 mph in the afternoon.
30% chance of thunderstorms Thursday Night Thursday Night... A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
50% chance of thunderstorms Friday Friday... A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.
50% chance of thunderstorms Friday Night Friday Night... A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
30% chance of thunderstorms Saturday Saturday... A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
30% chance of thunderstorms Saturday Night Saturday Night... A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
30% chance of Sunday Sunday... A 30 percent chance of showers. Partly sunny, with a high near 85.
30% chance of thunderstorms Sunday Night Sunday Night... A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
30% chance of thunderstorms Monday Monday... A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Current Radar Image


Sun Almanac for Brussels, Illinois
Sunrise: 06:45 AM
Sunset: 7:09 PM
Civil Sunrise:06:18 AM
Civil Sunset: 7:36 PM
Nautical Sunrise: 05:47 AM
Nautical Sunset: 8:07 PM
Astro Sunrise: 05:15 AM
Astro Sunset: 8:39 PM
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