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Troy, Illinois Weather Forecast
Troy, Illinois Weather
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Weather Forecast for Troy, Illinois : Madison County
Issued: 10:36 am CST Nov 7, 2025 Latitude: 38.7292147 Longitude: -89.8831541 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Saturday Sunday Monday Veterans Day Wednesday Thursday
Sunny on Today Mostly Clear on Tonight 30% chance of rain on Saturday 20% chance of rain & snow on Sunday Sunny on Monday Mostly Sunny on Veterans Day Sunny on Wednesday Sunny on Thursday
High: 70°F Low: 43°F High: 66°F High: 41°F High: 42°F High: 55°F High: 64°F High: 61°F
Low: 37°F Low: 25°F Low: 25°F Low: 41°F Low: 37°F  
Sunny Mostly Clear Rain Rain & Snow Sunny Mostly Sunny Sunny Sunny
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Current Conditions at
SCOTT AFB - (KBLV)
68°
Cloudy
as of 10:55 AM CST
Rel. Humidity: 60%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.71 in.
Flight Rule: VFR
Wind Data
14 MPH
300° Northwest
Cloud Level(s): Solid Overcast at 15000ft
Current Conditions at
ALTON - (KALN)
68°
Clear
as of 10:50 AM CST
Rel. Humidity: 42%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.72 in.
Flight Rule: VFR
Wind Data
7 MPH
340° North
Cloud Level(s): Clear
Current Conditions at
EAST ST LOUIS - (KCPS)
68°
Clear
as of 10:53 AM CST
Rel. Humidity: 56%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.73 in.
Flight Rule: VFR
Wind Data
8 MPH
290° West
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
68°
Partly Cloudy
as of 10:51 AM CST
Rel. Humidity: 49%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.74 in.
Flight Rule: VFR
Wind Data
7 MPH
Gust: 16 MPH
300° Northwest
Cloud Level(s): Few at 3000ft, Few at 16000ft, Scattered at 25000ft
Sunny on Today Today... Sunny, with a high near 70. West wind 9 to 14 mph.

Mostly Clear on Tonight Tonight... Mostly clear, with a low around 43. West wind 3 to 7 mph.

30% chance of rain Saturday Saturday... A 30 percent chance of rain, mainly after 5pm. Mostly cloudy, with a high near 66. Light and variable wind becoming east 5 to 8 mph in the afternoon.

50% chance of rain Saturday Night Saturday Night... A 50 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 37. East wind 7 to 16 mph becoming northwest in the evening.

20% chance of rain & snow Sunday Sunday... A slight chance of rain and snow between noon and 3pm, then a slight chance of snow after 3pm. Mostly sunny, with a high near 41. Breezy, with a northwest wind 15 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 25.

Sunny on Monday Monday... Sunny, with a high near 42.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 25.

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

Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 41.

Sunny on Wednesday Wednesday... Sunny, with a high near 64.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 37.

Sunny on Thursday Thursday... Sunny, with a high near 61.

Current Radar Image


Sun Almanac for Troy, Illinois
Sunrise: 06:34 AM
Sunset: 4:53 PM
Civil Sunrise:06:06 AM
Civil Sunset: 5:21 PM
Nautical Sunrise: 05:34 AM
Nautical Sunset: 5:52 PM
Astro Sunrise: 05:03 AM
Astro Sunset: 6:24 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.