Relief on way by tomorrow & especially Thu-Fri!
1 p.m. update: Due to a slight down tick in humidity, the heat advisory has been canceled for the metro region. Nevertheless, heat indices are still likely to be at or slightly over 100 this afternoon, so take it easy.
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Today: Super hot & humid. Scattered storms. 94-98. | Tonight: Scattered evening storms, very muggy. 67-74. | Tomorrow: Reduced humidity, partly cloudy. 90-94. | Get Express Forecast by E-mail
Searing heat comes to a maximum boil today before the weather downshifts into a more comfortable zone by later this week. A big ridge of hot high pressure will be sent away by tonight, allowing for a drier and then cooler air mass to overwhelm the mid-Atlantic. By Thursday and Friday, we should see 80s for highs with very low humidity and cooler overnight lows. The weekend still looks decent, but with an increased chance of showers. At least the heat stays away- for now.
Today (Tuesday): A cool front approaches the area, but it will actually take a few days to clear out the humidity and heat. So for today, partly to mostly sunny skies today and very hot/humid with highs in the mid-to-upper 90s. Heat index levels at or above 100 by late morning into the afternoon. We run the risk (30%) of scattered morning showers/storms and then afternoon/evening thunderstorms. Winds from the west and then northwest at 10-15 mph. Confidence: Medium
Tonight: Widely scattered evening thunderstorms (20% chance of you seeing one); otherwise, partly cloudy skies with lows from the middle 60s in the far suburbs to low-to-mid 70s in the city. Light winds from the north and northwest. Confidence: Medium-High
Keep reading for the forecast through the weekend...
Tomorrow (Wednesday): Partly to mostly sunny skies with diminishing humidity. We still surge up into the low-to-mid 90s by afternoon, but it will not feel nearly as uncomfortable. Light breezes from the north and northwest. A very low chance of a scattered shower or thundershower too (20% chance). Confidence: Medium-High
Tomorrow night: Partly cloudy skies and lower humidity should make for a much better evening and overnight period around the area. Look for lows to drop well down into the low 60s in the outer suburbs to the upper 60s in the city. Confidence: Medium-High
Thursday and Friday are a pair of exceptional days with mid-to-upper 80s for highs, low humidity, and partly to mostly sunny weather. In other words, you should really go for this after the suffocating heat and humidity earlier in the week. Partly cloudy to mostly clear skies both nights with lows ranging from the low to upper 60s. Confidence: Medium-High
High pressure sitting really close by to our east will allow for a decent weekend weather story with highs in the 80s and partly sunny skies. A weak weather disturbance could affect us with a chance of rain, especially on Saturday. Despite recent activity, we still could use that rain. Right now, we will take the cautious approach with mainly afternoon to evening chances of showers/storms, especially on Saturday (around 30% again). Highs in the 80s and lows in the 60s are expected with lower 80s more likely if we get the wetter route. We should know more in the next day or two. Confidence: Low-Medium.