Weather Update for Saturday, July 21, 2018. Hazardous Conditions on Lake Michigan and Chance of Rain and Thunderstorms Through Weekend

National Weather Service

 

SaturdayJuly21

Today mostly cloudy and with waves of showers and thunderstorms as the upper level rotation continues to whip weather in and out of the Chicago area. High near 73. North northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight, scattered showers. Cloudy, with a low around 68. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

Sunday, a 40 percent chance of showers. Mostly cloudy, with a high near 77. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

Sunday night, partly cloudy, with a low around 65. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

A high pressure area will move its way into the Chicago area forcing the weather out to the southeast.

Monday, mostly sunny, with a high near 80. North northeast wind 5 to 10 mph.

Radar Great Lakes & National

Central Great Lakes sector loop

 

 

 

 US Weather 3 Day Maps

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Look Ahead

Today
Occasional showers, with thunderstorms also possible after 11am. High near 73. North northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Scattered showers. Cloudy, with a low around 68. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 77. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 65. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 80. North northeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 79.

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