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Troy Junction, Illinois Weather Forecast
Troy Junction, Illinois Weather
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Weather Forecast for Troy Junction, Illinois : Madison County
Issued: 12:41 am CST Nov 5, 2025 Latitude: 38.7344925 Longitude: -89.9281559 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Veterans Day
Cloudy on Overnight Sunny on Wednesday Sunny on Thursday 30% chance of rain on Friday 20% chance of rain on Saturday Mostly Sunny on Sunday Sunny on Monday Mostly Sunny on Veterans Day
Low: 51°F High: 68°F High: 64°F High: 72°F High: 65°F High: 45°F High: 44°F High: 55°F
Low: 36°F Low: 52°F Low: 42°F Low: 35°F Low: 24°F Low: 27°F  
Cloudy Sunny Sunny Rain Rain Mostly Sunny Sunny Mostly Sunny
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Current Conditions at
SCOTT AFB - (KBLV)
54°
Clear
as of 1:55 AM CST
Rel. Humidity: 81%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
7 MPH
220° Southwest
Cloud Level(s): Clear
Current Conditions at
ALTON - (KALN)
55°
Clear
as of 2:35 AM CST
Rel. Humidity: 71%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
EAST ST LOUIS - (KCPS)
59°
Clear
as of 1:53 AM CST
Rel. Humidity: 62%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
8 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
57°
Mostly Cloudy
as of 1:51 AM CST
Rel. Humidity: 67%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
6 MPH
200° South
Cloud Level(s): Broken at 25000ft
Cloudy on Overnight Overnight... Partly cloudy, with a low around 51. Southwest wind around 10 mph, with gusts as high as 20 mph.

Sunny on Wednesday Wednesday... Sunny, with a high near 68. Southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 24 mph.

Clear on Wednesday Night Wednesday Night... Clear, with a low around 36. North wind 5 to 8 mph becoming east after midnight.

Sunny on Thursday Thursday... Sunny, with a high near 64. Southeast wind 5 to 14 mph, with gusts as high as 21 mph.

30% chance of rain Thursday Night Thursday Night... A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 52. Southeast wind around 11 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

30% chance of rain Friday Friday... A 30 percent chance of rain before noon. Mostly sunny, with a high near 72.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 42.

20% chance of rain Saturday Saturday... A 20 percent chance of rain after noon. Mostly sunny, with a high near 65.

30% chance of rain Saturday Night Saturday Night... A 30 percent chance of rain before midnight. Partly cloudy, with a low around 35.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 45.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 24.

Sunny on Monday Monday... Sunny, with a high near 44.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 27.

Mostly Sunny on Veterans Day Veterans Day... Mostly sunny, with a high near 55.

Current Radar Image


Sun Almanac for Troy Junction, Illinois
Sunrise: 06:32 AM
Sunset: 4:55 PM
Civil Sunrise:06:04 AM
Civil Sunset: 5:23 PM
Nautical Sunrise: 05:32 AM
Nautical Sunset: 5:54 PM
Astro Sunrise: 05:01 AM
Astro Sunset: 6:26 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.