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PM Update: Feeling like the dog days; Unusual August rain in California

Temperature Map

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

Even in a relatively tame summer, we should probably expect some hot days in August. Today was certainly close to hot if not quite there, and the next few will likely fit the bill. Even then, we’re still looking at summertime conditions near the low end of what they can be around here.

Through Tonight: Skies are mostly clear through the evening and into the night as the few bubbly cumulus of the daytime wane. Lows dip into the low 60s in the coolest suburbs to around 70 downtown. With light winds and temperatures nearing the dew point late at night, some fog is possible.

Tomorrow (Tuesday): Any fog should burn off pretty quick as the sun rises, leaving us with a partly to mostly clear day. Humidity is noticeable, but not terrible. That said, Highs are in the near 90 to low 90s zone most spots. An isolated shower or storm can’t be ruled out late in the day. Winds are light from the west and northwest around 5 to 10 mph. Still summer!

See Jason Samenow’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.

Pollen update: Mold spores are high. Grass pollen is moderate. Tree and weed pollen is low.

DCA approach on August 1. (John Sonderman via Flickr)

California rain: You’d have to be living under a rock to not know California is in dire need of rain. The state picked up a little — not nearly enough — this weekend, especially yesterday. It’s an odd time for precipitation in much of the region which often doesn’t see any rain during the summer. In a lot of cases, even very small amounts of rain set records. Some places saw a good deal as well:

In the mountainous areas that do tend to see rain during the summer monsoon across the southwest U.S., flash flooding and landslides have occurred. About 2,500 people were stranded, and one killed, in the Southern California mountains yesterday. A wall of mud 50 feet high was reported in flash flooding near San Diego.

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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Angela Fritz · August 4, 2014

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