Arlington Heights Weather Forecast: Storms, Heavy Rain Possible Starting About 9 PM — Lasting Overnight

Chicagoland weather radar [LIVE PRECIPITATION INDICATOR RADAR] shows a large area of showers and thunderstorms with embedded potential for severe thunderstorm cells approaching Rockford and St. Charles area at about 7:20 a.m.

The wide area potential is about .38 inch by midnight (.54 inch by midnight in St. Charles) with heavier rain in severe thunderstorm cells up to two or three inches of rain possible. Another night of severe lightning is also possible.

There is a second band of thunderstorms near Des Moines, Iowa that is expected to be in Illinois in early morning hours of Friday.

Satellite images show all of northern Illinois under thick clouds and almost all of Iowa under thick clouds.

The Severe Storm Prediction center does not indicate and increase tornado potential for are area; however the National Weather Service indicates the possibility of heavy rainful, isolated flash flooding, gusty winds to 45 MPH, and small hail.

TODAY Sunrise: 5:15 AM Sunset: 8:30 PM
TONIGHT Showers and thunderstorms. Some of the storms could produce heavy rain. Low around 66. East wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Friday Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 82. South southeast wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Friday Night A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. North wind around 5 mph.
Saturday A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. Northeast wind around 5 mph becoming southeast in the afternoon.

Saturday Night A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 63. East wind around 5 mph.

Sunday A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.

Sunday Night Showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

Monday Showers and thunderstorms likely. Mostly cloudy, with a high near 81.

Monday Night Showers and thunderstorms likely. Mostly cloudy, with a low around 65.

Tuesday A chance of showers and thunderstorms. Partly sunny, with a high near 80.

Tuesday Night A chance of showers and thunderstorms. Partly cloudy, with a low around 59.

Wednesday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 76.

Wednesday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55.

Thursday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 77.

LIVE RADAR | STORM TRACKS | UNISYS US IR SAT | UNISYS Midwest IR SAT | UNISYS More IR SAT

WunderMap® with Temperature/Wind Data || Google: Arlington Heights Temps | NE Illinois Temps

Full Screen Motion Weather Radar (Wunderground.com)

Midwest Cloud Cover with Arlington Heights Weather Forecast

ChicagoWeatherStation.com I O’Hare Normal Temps/Precip I O’Hare Record Temps, Precip, Snow

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

Become a fan of The Cardinal weather page. Submit your pictures or just stay up-to-date on weather topics — go direct to the Arlington Cardinal Weather photos. For a list of all of The Cardinal Facebook fan pages, go to Arlingtoncardinal.com/about/facebook …