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Posted on Mon, Jul 18, 2011 : 6:44 p.m.

Heat advisory continues through Wednesday morning, when excessive heat watch takes effect

By Paula Gardner

A heat advisory will be in effect until 8 a.m. Wednesday, according to the National Weather Service.

That will be followed by an "excessive heat watch," which will last from Wednesday morning through late Thursday, according to warnings posted by the NWS as of Monday afternoon.

According to the warning, "strenuous outdoor activity may lead to heat injuries such as heat stroke ... heat exhaustion ... or heat cramps."

Tonight's low likely will fall to about 70, but temperatures are forecast to top 90 on Tuesday.

Highs could hit 100 on both Wednesday and Thursday, according to forecasts. The heat index is likely to top 105.

Tuesday also is an "ozone action day" in Michigan, with people urged to avoid activities that add pollutants to the atmosphere, such as filling gas tanks and mowing lawns. Anyone with respiratory conditions should limit their time outdoors, according to officials.

Stay up to date with the forecast on AnnArbor.com's weather page.

Comments

David Cahill

Tue, Jul 19, 2011 : 2:05 p.m.

OK, I'll bite. What's the difference between a heat advisory and an excessive heat watch?

Washtenaw County Public Health

Tue, Jul 19, 2011 : 1:32 p.m.

Extreme heat events are indeed an issue in our community, and with seeming increased frequency. The Washtenaw County Public Health Department is currently conducting a survey of local residents to determine how prepared we are to deal with extreme heat – and what community services are most beneficial. Please take a few minutes to complete our anonymous online survey. Your input helps make sure our community is healthy and safe. Thank you! Link to survey and heat-related information: <a href="http://www.ewashtenaw.org/heat" rel='nofollow'>www.ewashtenaw.org/heat</a> Angela Parsons Environmental Health Education Coordinator Washtenaw County Public Health

Bogie

Tue, Jul 19, 2011 : 12:49 p.m.

forgive my poor grammar and spelling. I ain't got much education.

Bogie

Tue, Jul 19, 2011 : 12:47 p.m.

@Trublu, I just read another article about heat wave in Oklahoma City. I stated that OKC was heading for their 27th day of triple digit temperatures. It also stated, that OKC was on &quot;pace&quot; to break their 1980 record of 50 days in triple digits. I'm not a scientist, but would not this be considered a cycle?

Tru2Blu76

Tue, Jul 19, 2011 : 6:05 a.m.

The state of Oklahoma has had 20 consecutive days of 100+ degree highs. Phoenix - is a good place to fry eggs on the sidewalk or on the hood of your car (and / or enjoy monumental dust storms with zero visibility). Will the Southern Lower Peninsula of Michigan &quot;catch up&quot; with these other places? Stay tuned, climate change deniers, you're about to learn something (for a change).

15crown00

Tue, Jul 19, 2011 : 3:56 a.m.

drink a lot of water and stay cool

Tom Joad

Mon, Jul 18, 2011 : 11:59 p.m.

Stay hydrated