Hazy, Hot and Humid Today; Cold Front Tomorrow

Current Surface Map
Current Surface Map
With high pressure remaining off of the coast, hot and humid conditions will continue today. Expect afternoon highs a few degrees warmer than yesterday, into the mid 90s under mostly sunny skies.

A cold front will approach tomorrow and move through during the late afternoon or evening. Scattered showers and thunderstorms will accompany the front as it moves through. It will continue to be hot, with highs in the low 90s.

Behind the front, Canadian High pressure will begin to move in bringing cooler and drier air. Friday will be partly sunny with highs in the mid 70s.

Hazy, Hot and Humid; Scattered Afternoon Storms

Current Surface Map
Current Surface Map
Another hot and humid day is on tap today. Highs will once again be in the mid to upper 90s with heat index values near 110. An Excessive Heat Warning is in effect for Washington and Baltimore, while a Heat Advisory is in effect for the surrounding counties in central Maryland.

There will also be scattered thunderstorms this afternoon. The storms will be capable of producing gusty winds, heavy rainfall and large hail.

A cold front will approach tomorrow, but will remain to our north resulting in another hot and humid day with afternoon and evening thunderstorms. Highs will be in the mid 90s. The storms could be strong to severe, with damaging winds, large hail and locally heavy rainfall.

Another Hot and Humid Day

Current Surface Map
Current Surface Map
With high pressure still in control of the weather, expect another hot and humid day today. Highs will be a few degrees warmer than yesterday, pushing into the mid 90s with heat index values near 105 this afternoon.

Tomorrow will be a near carbon-copy of today. It will continue to be hot and humid with highs in the mid 90s.

A stray afternoon thunderstorm will be possible each day, mainly across the mountains.

The high pressure center will begin to weaken across the area Thursday and Friday, allowing a better chance of thunderstorms, but this activity will remain isolated at best. Highs both days will remain in the mid 90s.

Hottest Weather of the Year This Week

Current Surface Map
Current Surface Map
A strengthening area of high pressure will bring the first real heat wave of the year this week. A cold front should bring some relief this weekend.

Today will feature mostly sunny skies with a high around 95. Heat indices will be near 100 this afternoon.

The heat and humidity will continue to build tomorrow through Friday, with highs in the mid to upper 90s and heat index values well into the 100s.

Here Comes the Heat Again

Current Surface Map
Another mini heat wave is coming to the region for the first half of this week. Hazy, hot and humid conditions are expected through Wednesday.

Today will be partly sunny with a slight chance of an isolated shower or thunderstorm this afternoon. Highs will be in the mid 90s.

Expect more sunshine on Tuesday and as a result, warmer temperatures. Highs will be in the upper 90s to near 100.

A cold front will approach on Wednesday, increasing thunderstorm chances during the afternoon and evening as temperatures again push into the mid to upper 90s. Some of the storms may be strong to severe.

Hazy, Hot, Humid and Unsettled

…HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 9 PM EDT THIS EVENING…

…EXCESSIVE HEAT WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING…

Current Surface Map
The heat continues to build today, under clearing skies as afternoon highs approach 100 degrees. A Heat Advisory is in effect for this afternoon as heat index values push to near 105. The heat and humidity will also help fuel the development of isolated afternoon thunderstorms over the mountains. These storms will move eastward through the evening, possibly reaching the metro area overnight.

An Excessive Heat Watch is in effect for tomorrow. Highs around 100 will combine with the humidity to push the heat index to near 110 degrees. Scattered afternoon showers and thunderstorms are also possible.

Hazy, Hot and Humid

…HEAT ADVISORY NOW IN EFFECT FROM NOON TODAY TO 10 PM EDT THURSDAY…

Current Surface Map

Summer begins at 7:09pm this evening and the weather will be appropriate. High pressure centered over the southeast will pump hot and humid air into the region, sending high temperatures into the mid to upper 90s today. The heat combined with the humidity will push heat index values above 100 degrees this afternoon.

The will not be much relief tonight, as temperatures will only fall to the mid 70s (around 80 in the cities) and heat index values will remain in the 80s to near 90.

Tomorrow is looking like it will be the hottest day, with highs approaching 100 degrees in most areas. Heat index values will again be around 105 degrees.