National Weather Service Forecast for: Arlington Heights IL
Issued by: National Weather Service Chicago, IL
Updated: 4:07 am CDT Apr 14, 2025
 
Today

Today: Partly sunny, with a high near 62. Breezy, with a west wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.
Partly Sunny
and Breezy

 Tonight

Tonight: A 20 percent chance of showers after midnight. Increasing clouds, with a low around 40. Breezy, with a west northwest wind around 20 mph, with gusts as high as 35 mph.
Breezy.
Partly Cloudy
then Slight
Chance
Showers
 Tuesday

Tuesday: Partly sunny, with a high near 52. Breezy, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph.
Partly Sunny
and Breezy

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 34. Breezy, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Mostly Clear
and Breezy
then Mostly
Clear
 Wednesday

Wednesday: Sunny, with a high near 56. North northwest wind around 5 mph becoming east in the afternoon.
Sunny


 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 40.
Partly Cloudy


 Thursday

Thursday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 66.
Partly Sunny
then Chance
Showers

 Thursday
Night
Thursday Night: Showers likely, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 54.
Showers
Likely

 Friday

Friday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 73.
Showers
Likely
Hi 62 °F Lo 40 °F Hi 52 °F Lo 34 °F Hi 56 °F Lo 40 °F Hi 66 °F Lo 54 °F Hi 73 °F

Hazardous Weather Outlook
 

Today
 
 Partly sunny, with a high near 62. Breezy, with a west wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.
Tonight
 
 A 20 percent chance of showers after midnight. Increasing clouds, with a low around 40. Breezy, with a west northwest wind around 20 mph, with gusts as high as 35 mph.
Tuesday
 
 Partly sunny, with a high near 52. Breezy, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph.
Tuesday Night
 
 Mostly clear, with a low around 34. Breezy, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Wednesday
 
 Sunny, with a high near 56. North northwest wind around 5 mph becoming east in the afternoon.
Wednesday Night
 
 Partly cloudy, with a low around 40.
Thursday
 
 A 30 percent chance of showers after 1pm. Partly sunny, with a high near 66.
Thursday Night
 
 Showers likely, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 54.
Friday
 
 A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 73.
Friday Night
 
 A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 45.
Saturday
 
 Partly sunny, with a high near 59.
Saturday Night
 
 Partly cloudy, with a low around 41.
Sunday
 
 A chance of showers. Mostly sunny, with a high near 60.

 

Forecast from NOAA-NWS for Arlington Heights IL.