Arlington Heights Weather Forecast: High 82, Decreasing Clouds with Chance of Storms

Chicago area radar shows light thunderstorms passing east and diminishing through Lake County, Illinois and southeast McHenry County [LIVE RADAR]. Some precipitation is likely to affect Buffalo Grove, and spotty areas in northwest Cook County. A slightly greater chance of storm is likely after 12:30 p.m. Friday. Rainfall amount today is expected to be less than 0.15 inch. About 0.6 inch of rainfall amount is expected Saturday. Severe weather is possible today and more likely tomorrow with torrential downpours, wind gusts to 50 mph, small hail and cloud-to-ground lightning.

The Storm Prediction Center shows Iowa as the most likely area of severe weather and possibly a tornado today and tomorrow. Northern Illinois is included in the tornado risk area.

Infrared satellite images show clouds over most of northern Illinois moving east northeast.

Unseasonably warm temperatures are expected again today, unless a cold front drops in earlier and further than expected. Otherwise a strong cold front is expected to pass through the area Saturday afternoon.

TODAY Sunrise: 6:52 AM Sunset: 6:27 PM
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 82. South wind 5 to 10 mph, with gusts as high as 20 mph.

Tonight
A 20 percent chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 65. South wind 5 to 10 mph.

Saturday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 78. South southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Saturday Night
Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 4am. Mostly cloudy, with a low around 47. West southwest wind 10 to 15 mph. Chance of precipitation is 70%.

Sunday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 58. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 44.

Monday
Mostly sunny, with a high near 63.

Monday Night
Mostly clear, with a low around 46.

Tuesday
Sunny, with a high near 69.

Tuesday Night
Mostly clear, with a low around 50.

Wednesday
Sunny, with a high near 73.

Wednesday Night
Mostly clear, with a low around 52.

Thursday
Sunny, with a high near 73.

LIVE RADAR | STORM TRACKS | CLOUDS INFRARED SAT | CLOUDS VISIBLE SAT (during daylight)

WunderMap® with Temperature/Wind Data

Full Screen Motion Weather Radar (Wunderground.com)

Midwest Cloud Cover

SUNLIGHT DATA FOR SECURITY, TRAFFIC SAFETY, AND SPORTS
SunCalc.net data with solar azimuth and trajectory, times for dawn, sunrise, solar noon, sunset, dusk …


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