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Warm to Hot Over the Next Week
Perhaps Some Relief Thereafter

Josh Larson @ 7:45 AM

Temperatures over the next three days will remain within a degree or two of the "averages" for this time of year, with a continued chance of thunderstorms today -- though dry on Friday and Saturday. Hot weather will build back into the area for Sunday into the first half of next week, though there are some indications that the heat may break by the middle of next week.


Forecast Confidence: MediumCloudy & thundery? Today will feature mostly cloudy skies with fairly sticky highs in the upper 80s and the chance for periodic showers and thunderstorms throughout much of the day. (A few of the storms could reach severe levels.) Mostly cloudy tonight with a stray shower in spots and lows near 70.

Fireworks light up the Mall last night. Severe thunderstorms and tornado warnings in the western suburbs prompted the evacuation of the Mall before the weather cleared in time for the evening's man-made spectacle. Photo by photographer Kevin Ambrose.


Forecast Confidence: MediumClearing out. Friday will feature more in the way of sunshine, though some clouds may linger, especially during the first half of the day. Expect warm afternoon highs near 90 with somewhat-muggy overnight lows only dropping to around 70.

Spectacular fireworks color DC's great monuments last night. By photographer Kevin Ambrose.

The Weekend

Confidence: High-Very HighSunny & warm. As high pressure builds in overhead, we can expect plenty of sunshine both Saturday and Sunday with low chances for precipitation both days. Humidity will be noticeable but not unbearable. Expect high temperatures on Saturday to hang out primarily in the upper 80s; slightly warmer on Sunday with high temperatures expected to climb into the low 90s. Rather muggy and mild both nights, with lows from the upper 60s to low 70s.

Pattern Overview

A cold front approaching from the west will continue to provide the impetus for showers and thunderstorms today -- especially over the northern half of the area. By Friday, however, high pressure will begin building back into the region which will lead to drying and clearing conditions for at least the second half of the day. The weekend looks to offer sunny and dry conditions with temperatures warming by Sunday. A westerly flow for the first half of next week looks to bring above normal temperatures Monday through Wednesday, with some relief, in the form of a cold front possible by late Wednesday into Thursday.

A Look at the Tropics

A look at medium- to long-range tropical prediction models suggests low potential for tropical cyclone development in the Atlantic over the next week to ten days. It is still quite early in the season, as climatologically the vast majority of tropical activity occurs between August and October.


Next week's forecast
Forecast highs/lows: 90/70 (normal = 88/70)
Forecast precip: Near-normal

Forecast Confidence: High-Very HighExpect varying amounts of clouds and sun on Monday and Tuesday with very high humidity levels and uncomfortably warm high temperatures in the low to mid 90s; muggy overnight lows will hang out in the mid 70s. Wednesday will feature increasing cloudiness with late day showers or thunderstorms possible; still, highs will be around 90 with lows around 70. There is much uncertainty regarding the conditions on Thursday and Friday, depending on how quickly a cold front pushes through. I'll call for partly to mostly clouds both days with cooler high temperatures in the low to mid 80s and more comfortable overnight lows in the 60s.

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