National Night Out Weather Forecast Balmy for Arlington Heights, Northwest Suburbs


Weather radar [LIVE RADAR] is all clear this morning. A slight chance of showers and thunderstorms starts tonight about 7:00 p.m., but the likely hood for storms and precipitation is about 1:00 a.m. through 6:00 a.m. A cool front is at the Canadian border, but another cool front is expected to develop closer to our area this afternoon and head south through Wisconsin and northern Illinois tonight (Current Fronts Map).

National Night Out weather should start at about 82°F at 6:00 p.m. with sun and clouds and gradual easing of the heat to about 78°F at 9:00 p.m. Gentle south winds are expected. Increasing clouds after 7:00 p.m. with a slight chance of precipitation also starting at about 7:00 p.m. Rain is not expected until about 1:00 a.m., but the timing of the onset and development of rain is a little uncertain.

TODAY Sunrise 5:51 AM Sunset 8:04 PM
Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 87. Southwest wind 5 to 10 mph.

Tonight (National Night Out)
Showers and thunderstorms likely, mainly after 1am. Increasing clouds, with a low around 69. South southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

A 40 percent chance of showers and thunderstorms before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 83. South southwest wind 5 to 10 mph becoming north northeast in the afternoon. Winds could gust as high as 15 mph.

Wednesday Night
Partly cloudy, with a low around 62. North northeast wind 5 to 10 mph.

Mostly sunny, with a high near 78. Northeast wind around 5 mph, with gusts as high as 10 mph.

Thursday Night
Mostly cloudy, with a low around 61.


WunderMap® with Temperature/Wind Data

Full Screen Motion Weather Radar (

Midwest Cloud Cover

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