We’ve quite the contrasts across the country today with flooding rain and 60s over Pennsylvania and western New York (70s in DC, Philly & NYC) while it’s in the 90s for Seattle and Portland, 105-110 east of the Cascades.

Current view from Greensburg, PA

Monroe, MI

Nashville, TN

Las Vegas, NV

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ECMWF surface chart shows the low and tropical moisture wrap-around, bringing the widespread soaking rains and subsequent coolness beneath.

NWS forecasted HIGHS today.

Big temperature drop for the Southeast too as the associated cold front drives SE’ward, bringing showers and storms and a drop of 5-12F between yesterday and today with a marked drop in humidity too.

That drop in humidity will allow for a very comfortable night throughout the Southeast and Mid-Atlantic by late June standards.

Following a blistering weekend/early week for the Desert Southwest, temps eased back to the 104-108 range through the past week in both Vegas and Phoenix but those highs are back into the 110s for Vegas, 122 Death Valley.

As for the longer term (6-10 day and beyond), well the CFSv2 weakens the Pacific Northwest heat early this week and shows a westward shift in the Great Lakes into Ohio Valley trough as heights trim over the PNW. The trend is a cooling one across a broad area of the nation as we head for mid July, very fitting of a moderate to strong El Nino during the warm season.

5-day mean 500mb height anomalies day 1-15 off the CFSv2 weeklies.

5-day mean 2 metre temperature anomalies.

See today’s video for more!

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