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Crossroads, Illinois Weather Forecast
Crossroads, Illinois Weather
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Weather Forecast for Crossroads, Illinois : St. Clair County
Issued: 10:41 am CST Jan 16, 2026 Latitude: 38.5925496 Longitude: -89.9664922 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Saturday Sunday M.L.King Day Tuesday Wednesday Thursday
20% chance of rain on This Afternoon 50% chance of rain & snow on Tonight Flurries on Saturday Mostly Sunny on Sunday Sunny on M.L.King Day Mostly Sunny on Tuesday Mostly Sunny on Wednesday 20% chance of rain on Thursday
High: 45°F Low: 21°F High: 27°F High: 32°F High: 24°F High: 38°F High: 49°F High: 41°F
Low: 11°F Low: 14°F Low: 11°F Low: 27°F Low: 28°F  
Rain Rain & Snow Flurries Mostly Sunny Sunny Mostly Sunny Mostly Sunny Rain
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Current Conditions at
ALTON - (KALN)
45°
Feels like 38°F
Mostly Cloudy
as of 1:20 PM CST
Rel. Humidity: 45%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.71 in.
Flight Rule: VFR
Wind Data
14 MPH
Gust: 21 MPH
260° West
Cloud Level(s): Broken at 4100ft
20% chance of rain This Afternoon This Afternoon... Isolated showers after 4pm. Cloudy, with a high near 45. West wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

50% chance of rain & snow Tonight Tonight... Scattered rain and snow showers before 8pm, then scattered snow showers between 8pm and 3am, then scattered flurries after 3am. Cloudy, then gradually becoming partly cloudy, with a low around 21. West wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

Flurries on Saturday Saturday... Scattered flurries after noon. Partly sunny, with a high near 27. West wind 13 to 15 mph, with gusts as high as 26 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 11. West wind 6 to 11 mph, with gusts as high as 21 mph.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 32. Southwest wind 6 to 13 mph, with gusts as high as 21 mph.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 14.

Sunny on M.L.King Day M.L.King Day... Sunny, with a high near 24.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 11.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 38.

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

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 49.

20% chance of rain Wednesday Night Wednesday Night... A 20 percent chance of rain. Mostly cloudy, with a low around 28.

20% chance of rain Thursday Thursday... A 20 percent chance of rain. Partly sunny, with a high near 41.

Sun Almanac for Crossroads, Illinois
Sunrise: 07:16 AM
Sunset: 5:04 PM
Civil Sunrise:06:47 AM
Civil Sunset: 5:33 PM
Nautical Sunrise: 06:14 AM
Nautical Sunset: 6:05 PM
Astro Sunrise: 05:42 AM
Astro Sunset: 6:37 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.