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PM Update: Temperatures down a bit, but still humid; Oklahoma tornado drought

Temperature Map

Temperatures: Latest D.C. area temperature map. See interactive map on our Weather Wall.

2014 continues to be a little fickle when it comes to heat waves (defined as three days of 90 degree or higher temperatures). While this past one was certainly quite impressive, today we managed to miss that elusive day four. Getting there is something we haven’t been able to accomplish all summer. Not that I’m complaining…

Through Tonight: Skies are partly to occasionally mostly cloudy throughout the night. While it was lower today than recently, low-level moisture remains pretty thick, so you’ll feel that on the ground as well as see it in the sky. With light winds switching back to a southerly direction, lows reach the 66-73 range from cooler suburbs to city center.

Tomorrow (Thursday): Skies should average partly cloudy. Though as we saw today, clouds can be stubborn at times. Humidity ticks back up as the hours pass, and temperatures rise toward the mid-80s to near 90. Winds are from the south around 5-10 mph. There could be an isolated shower or storm, probably remaining west of the area, late in the day.

See Dan Stillman’s forecast through the weekend. And if you haven’t already, join us on Facebook and follow us on Twitter . For related traffic news, check out Dr. Gridlock.

Blue skies over Annapolis on Labor Day. (John Sonderman via Flickr)

Pollen update: Mold spores are high thanks in part to recent rains. Weed pollen is moderate/high, but ragweed continues to run below normal for this time of year. Grass pollen is low/moderate, and tree pollen is low.

Tornado reports across the United States this year. (Storm Prediction Center)
Tornado reports across the United States this year. (Storm Prediction Center)

*Missing* Oklahoma tornadoes: After a brutal volley of high-impact tornadoes in 2013, Oklahoma is in the midst of a tornado drought this year. At least 14 tornadoes (including one reported Monday) have been recorded in the state. The low number is partly attributed to a cool spring. One of the lowest counts on record, it may become a new yearly minimum if the next few months remain quiet. The target to beat? 17 in 1988.

Ian Livingston is a forecaster/photographer and information lead for the Capital Weather Gang. By day, Ian is a defense and national security researcher at a D.C. think tank.
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