8:00 a.m. update: An area of showers and thunderstorms to the southwest of the D.C. area will push through the southern suburbs this morning and may reach the District. Once this passes, there’s just a chance of isolated activity the rest of the day. Stay tuned to our Twitter feed for updates.

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Today: Partly sunny and humid with a t’showers. Low 90s. | Tonight: Fair and calm. Lows 67-75. | Tomorrow: Mainly sunny, moderately muggy. Highs 91-95. | Get Express Forecast by E-mail


Radar & lightning: Latest D.C. area 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.

Today (Thursday): Take a little extra caution commuters, for there may be some patchy fog. School children will be out and about as well. Many of you may sense a little less humidity but it’s still sticky. Temperatures soar into the low 90s in many areas. Breezes are too light to be of use. There is a 20% chance for a shower or thundershower where you are in the afternoon. Confidence: Medium-High

Tonight: The showers should be gone but the heat lingers on with 80s through the evening. Lows should eventually end up in the upper 60s well out of town with most of the area in the low-to-mid 70s. Confidence: Medium-High

For related traffic news, check out Dr. Gridlock. Keep reading for the forecast through the weekend...

Tomorrow (Friday): The lack of clouds allow the sun to push temperatures up strongly. Humidity is notable but ever so slightly less noticeable than the day before. A stray thundershower or two is possible but 90% of us should be rain-free. Highs again top out in the lower 90s in most locales but a few spots are likely to reach mid-90s. Confidence: High

Tomorrow night: Try getting an inside table for dinner as the 80s are still in charge for the evening along with a lack of breeze. Lows hold in the low-to-mid 70s. Confidence: High


The first sign of a change coming on Saturday is the pick up in south winds. Indeed a strong cold front approaches from the west. There is a 20% chance of a few morning showers but most storms should not arrive until late in the day. Humidity should climb and temperatures barely miss a beat with highs likely to make the upper 80s unless some showers sneak out ahead of the main front. There will be the chance for a few severe thunderstorms by late afternoon/early evening, so keep an eye on the sky. There is an 80% chance of rain in the area from afternoon through the night. Lows end up in the 60s. Confidence: Medium

Winds shift to northerly Sunday and work hard to push showers out of the area early in the morning. However, there is a risk that the front could stall due to Hurricane Leslie. It will be well offshore, but still strong enough to impede the cold front’s progress. For now, look for a 30% chance of showers lingering into the late morning and then clearing in the afternoon. Highs should only be in the upper 70s. Drier air by evening allows readings to drop faster than they have in a long time with lows in the upper 50s to lower 60s. Confidence: Low-Medium

Monday has all the trappings of a “nice day” with low humidity, sunny skies and highs only in the upper 70s. Confidence: Medium-High