Troy, Illinois Weather
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Weather Forecast for Troy, Illinois : Madison County
Issued: 6:21 am CDT Jul 3, 2025 Latitude: 38.7292147 Longitude: -89.8831541 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Independence Day Saturday Sunday Monday Tuesday Wednesday
Sunny on Today Mostly Clear on Tonight Sunny on Independence Day Sunny on Saturday 30% chance of thunderstorms on Sunday 40% chance of thunderstorms on Monday 30% chance of thunderstorms on Tuesday 40% chance of thunderstorms on Wednesday
High: 91°F Low: 70°F High: 92°F High: 93°F High: 91°F High: 89°F High: 90°F High: 89°F
Low: 72°F Low: 75°F Low: 71°F Low: 71°F Low: 71°F  
Sunny Mostly Clear Sunny Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
SCOTT AFB - (KBLV)
72°
Cloudy
Light Rain
as of 6:05 AM CDST
Rel. Humidity: 88%
Dew Point: 68°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 5500ft, Solid Overcast at 7500ft
Current Conditions at
ALTON - (KALN)
70°
Partly Cloudy
as of 5:55 AM CDST
Rel. Humidity: 100%
Dew Point: 70°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 12000ft
Current Conditions at
EAST ST LOUIS - (KCPS)
72°
Mostly Cloudy
as of 5:53 AM CDST
Rel. Humidity: 88%
Dew Point: 68°F
Visibility: 10 Miles
Pressure: 30.02 in.
Flight Rule: VFR
Wind Data
6 MPH
240° Southwest
Cloud Level(s): Broken at 8000ft
Current Conditions at
ST LOUIS - (KSTL)
73°
Partly Cloudy
as of 5:51 AM CDST
Rel. Humidity: 83%
Dew Point: 68°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
6 MPH
240° Southwest
Cloud Level(s): Few at 8000ft, Scattered at 13000ft
Sunny on Today Today... Sunny, with a high near 91. Light and variable wind.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 70. Light south wind.
Sunny on Independence Day Independence Day... Sunny, with a high near 92. Calm wind becoming south 5 to 7 mph in the morning.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 72. South wind around 6 mph becoming calm after midnight.
Sunny on Saturday Saturday... Sunny, with a high near 93. South wind 3 to 8 mph.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 75.
30% chance of thunderstorms Sunday Sunday... A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91.
20% chance of thunderstorms Sunday Night Sunday Night... A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71.
40% chance of thunderstorms Monday Monday... A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 71.
30% chance of thunderstorms Tuesday Tuesday... A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
30% chance of thunderstorms Tuesday Night Tuesday Night... A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
40% chance of thunderstorms Wednesday Wednesday... A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Current Radar Image


Sun Almanac for Troy, Illinois
Sunrise: 05:40 AM
Sunset: 8:28 PM
Civil Sunrise:05:08 AM
Civil Sunset: 9:00 PM
Nautical Sunrise: 04:28 AM
Nautical Sunset: 9:39 PM
Astro Sunrise: 03:43 AM
Astro Sunset: 10:25 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.