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Posted at 04:45 PM ET, 08/25/2011

PM Update: Thunderstorm risk diminishes; calm Friday before Irene

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The thunderstorm risk for most of the region has diminished. The severe thunderstorm and flash flood watches previously in effect have been canceled. Earlier showers and storms helped keep highs down – near 80 to the low 80s across the area which is actually below normal for this time of year.

Radar & lightning: Latest regional radar shows movement of precipitation and lightning strikes over past two hours. Refresh page to update. Click here or on image to enlarge. Or see radar bigger on our Weather Wall.

Through Tonight: Any lingering storms (far to the southeast) should wane by 7 p.m. Later this evening, we may even get into winds from the north for a bit, which could draw in temporarily drier air. It might be just enough to get lows into the mid-60s or near 70 across the area.

Tomorrow (Friday): We should see a good deal more sun and warmer temperatures as the cold front sort of disintegrates over the area. Under partly cloudy skies, expect afternoon temperatures to reach the mid-80s to near 90. Any humidity break should end quickly as more moisture streams in during the day. A few showers or a storm may dot the landscape late in the afternoon, and it’s even possible the first high clouds from Irene start to show up too, but that may hold off ‘til the nighttime hours.

See David Streit’s forecast through early next week. And if you haven’t already, join us on Facebook and follow us on Twitter

Pollen update from Walter Reed: Tree pollen is LOW at 0.32 gr/cubic meter, grass pollen is MODERATE at 5.75 gr/cubic meter (NAB range), which is HIGH for our local area counts. Weed pollen is MODERATE (NAB range) at 16.29 gr/cubic meter, which is HIGH for our local area counts. Mold spores are in the MODERATE range at 9156.51 spores/cubic meter.

By Ian Lvingston  |  04:45 PM ET, 08/25/2011

Categories:  Forecasts

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