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Arlington Heights, Illinois Weather Forecast
Arlington Heights, Illinois Weather
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Weather Forecast for Arlington Heights, Illinois : Sangamon County
Issued: 4:11 am CST Nov 5, 2025 Latitude: 39.8197723 Longitude: -89.6014875 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Veterans Day
Sunny on Today Mostly Clear on Tonight Increasing Clouds on Thursday Mostly Cloudy on Friday 30% chance of rain on Saturday Mostly Sunny on Sunday Sunny on Monday Mostly Sunny on Veterans Day
High: 67°F Low: 34°F High: 62°F High: 70°F High: 60°F High: 42°F High: 41°F High: 51°F
Low: 50°F Low: 39°F Low: 31°F Low: 22°F Low: 23°F  
Sunny Mostly Clear Increasing Clouds Mostly Cloudy Rain Mostly Sunny Sunny Mostly Sunny
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Current Conditions at
SPRINGFIELD - (KSPI)
54°
Clear
as of 3:52 AM CST
Rel. Humidity: 71%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
7 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
TAYLORVILLE MUNICIPAL - (KTAZ)
52°
Clear
as of 4:37 AM CST
Rel. Humidity: 81%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
LOGAN COUNTY AIRPORT - (KAAA)
55°
Clear
as of 4:35 AM CST
Rel. Humidity: 71%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
7 MPH
220° Southwest
Cloud Level(s): Clear
Current Conditions at
DECATUR - (KDEC)
54°
Clear
as of 3:54 AM CST
Rel. Humidity: 76%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
15 MPH
220° Southwest
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 67. Southwest wind 11 to 18 mph becoming north northwest in the afternoon. Winds could gust as high as 28 mph.

Mostly Clear on Tonight Tonight... Mostly clear, with a low around 34. North northwest wind 5 to 8 mph becoming calm in the evening.

Increasing Clouds on Thursday Thursday... Increasing clouds, with a high near 62. Light east southeast wind becoming south southeast 9 to 14 mph in the morning. Winds could gust as high as 22 mph.

50% chance of rain Thursday Night Thursday Night... A 50 percent chance of rain after midnight. Mostly cloudy, with a low around 50. South southeast wind around 14 mph becoming southwest after midnight. Winds could gust as high as 23 mph.

Mostly Cloudy on Friday Friday... Mostly cloudy, then gradually becoming sunny, with a high near 70. West wind 10 to 14 mph, with gusts as high as 22 mph.

Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 39. West wind 5 to 9 mph becoming light northwest after midnight. Winds could gust as high as 15 mph.

30% chance of rain Saturday Saturday... A 30 percent chance of rain after noon. Partly sunny, with a high near 60. Light and variable wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 17 mph.

30% chance of rain Saturday Night Saturday Night... A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 31.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 42.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 22.

Sunny on Monday Monday... Sunny, with a high near 41.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 23.

Mostly Sunny on Veterans Day Veterans Day... Mostly sunny, with a high near 51.

Current Radar Image


Sun Almanac for Arlington Heights, Illinois
Sunrise: 06:32 AM
Sunset: 4:52 PM
Civil Sunrise:06:04 AM
Civil Sunset: 5:20 PM
Nautical Sunrise: 05:32 AM
Nautical Sunset: 5:52 PM
Astro Sunrise: 05:00 AM
Astro Sunset: 6:24 PM
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