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Troy, Illinois Weather Forecast
Troy, Illinois Weather
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Weather Forecast for Troy, Illinois : Madison County
Issued: 9:31 pm CST Jan 26, 2026 Latitude: 38.7292147 Longitude: -89.8831541 View on Google Maps

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Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Mostly Clear on Tonight Sunny on Tuesday Mostly Sunny on Wednesday Mostly Cloudy on Thursday Mostly Sunny on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday Partly Sunny on Monday
Low: 3 °F High: 29°F High: 28°F High: 18°F High: 14°F High: 19°F High: 26°F High: 36°F
Low: 0 °F Low: 7 °F Low: 0°F Low: -1°F Low: 1°F Low: 13°F  
Mostly Clear Sunny Mostly Sunny Mostly Cloudy Mostly Sunny Mostly Sunny Mostly Sunny Partly Sunny
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Current Conditions at
SCOTT AFB - (KBLV)
12°
Feels like -1°F
Clear
as of 10:55 PM CST
Rel. Humidity: 56%
Dew Point: -0°F
Visibility: 10 Miles
Pressure: 30.29 in.
Flight Rule: VFR
Wind Data
12 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
ALTON - (KALN)
16°
Feels like 1°F
Clear
as of 11:35 PM CST
Rel. Humidity: 52%
Dew Point: 1°F
Visibility: 10 Miles
Pressure: 30.25 in.
Flight Rule: VFR
Wind Data
14 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
EAST ST LOUIS - (KCPS)
16°
Feels like 2°F
Clear
as of 10:53 PM CST
Rel. Humidity: 47%
Dew Point: -0°F
Visibility: 10 Miles
Pressure: 30.30 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 22 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
16°
Feels like 2°F
Clear
as of 10:51 PM CST
Rel. Humidity: 52%
Dew Point: 1°F
Visibility: 10 Miles
Pressure: 30.27 in.
Flight Rule: VFR
Wind Data
13 MPH
230° Southwest
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 3. Wind chill values as low as -10. Southwest wind around 11 mph, with gusts as high as 20 mph.
Sunny on Tuesday Tuesday... Sunny, with a high near 29. West wind 8 to 14 mph, with gusts as high as 22 mph.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 0. Wind chill values as low as -10. Northwest wind 5 to 7 mph becoming light and variable.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 28. Calm wind becoming west 5 to 7 mph in the morning.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 7. Light and variable wind.
Mostly Cloudy on Thursday Thursday... Mostly cloudy and cold, with a high near 18.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 0.
Mostly Sunny on Friday Friday... Mostly sunny and cold, with a high near 14.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around -1.
Mostly Sunny on Saturday Saturday... Mostly sunny and cold, with a high near 19.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 1.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 26.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 13.
Partly Sunny on Monday Monday... Partly sunny, with a high near 36.
Current Radar Image


Sun Almanac for Troy, Illinois
Sunrise: 07:09 AM
Sunset: 5:15 PM
Civil Sunrise:06:41 AM
Civil Sunset: 5:44 PM
Nautical Sunrise: 06:09 AM
Nautical Sunset: 6:16 PM
Astro Sunrise: 05:37 AM
Astro Sunset: 6:47 PM
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