Weekend Weather Highlights

7/23/2010, 7:13:46 AM

Friday, 11:55 A.M.

Wow, what a week! It has been as busy here at AccuWeather.com as I can ever remember, and we're only dealing with a pretty small and minimal tropical storm! I can't wait to see what it will be like when we have a really big storm taking aim at the U.S. coastline, which, inevitably, WILL happen before the season is done!

My time is really brief today, and there are a few things I have to touch on:

1) HEAT! HEAT! HEAT! It is going to be a veritable steambath through the weekend, especially south of I-80 and from the Mississippi Valley on east. Not just hot, but extremely humid with dew points in the lower to middle 70s. Nighttime lows will stay in the middle to upper 70s, and in many urban settings, it will be tough to get below 80!

2) BONNIE! It is not a strong storm, and it is tiny! As it crosses South Florida, it may well weaken. It could easily be making a second landfall late Saturday night in Louisiana, assuming that it can even maintain storm intensity. Strong wind shear is likely to prevent it from becoming anything more than it is now. Still, it will have to be monitored aggressively. At the very least, it will push more of the oil slick toward the Louisiana coast and perhaps the upper Texas coast.

3) MORE HEAT! This time, the Northwest is getting in on the act with lots of sunshine and plenty of 90s showing up throughout the region. It will linger through Sunday into Monday, but by then there will be more moisture in the atmosphere, raising the risk of widely scattered showers and thunderstorms. Hopefully, that does not mean dry lightning strikes. Hopefully...

4) BREAK IN THE HEAT! The break will begin in the northern Plains and Upper Midwest tomorrow and move into the Great Lakes to northern New England Sunday. It will then follow a cold front into the rest of New England and the mid-Atlantic states back to the Ohio Valley to begin next week. However, by then, more of the relief will be in the form of reduced humidity.

5) STRONG THUNDERSTORMS! Around the rim of this heat, there are plenty of them. Not only does this include the risk of severe weather from the Plains to the Midwest and across the Great Lakes into the mid-Atlantic and New England, but flooding downpours. In fact, with such tropical air in place, that's probably the more widespread issue to confront!

Lastly, this weekend is my local Keystone Country MS 150 ride. A number of you have already decided to pledge your support of me in this fight against MS. I'm hoping many more of you will this weekend as I ride at least 150 miles through the heat and humidity! Please check out this web site:

http://bikepax.nationalmssociety.org/site/TR/Bike/PAXBikeEvents?fr_id=13095&pg=entry

Click on the link to e-pledge a cyclist when you get a chance, and enter my name! And if you'd prefer to write them a check, that's okay, too. My e-mail address is: Lundberg@accuweather.com. Write me and I'll tell you where to send the check! Thanks again for your support in the past, and for continuing to read my ramblings!

The views expressed are those of the author and not necessarily those of AccuWeather, Inc. or AccuWeather.com

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