Hazy, hot and humid today; Severe storms possible


A HEAT ADVISORY is in effect for most of Central Maryland.


Current Surface Map
Current Surface Map
With high pressure off of the coast, southerly flow will continue to pump heat and humidity into the area. A Heat Advisory has been issued for central Maryland where highs in the mid 90s will combine with dewpoints in the low 70s to push the heat index into the low 100s.

Additionally, the heat and humidity will fuel development of late afternoon and evening thunderstorms. Some of these storms will become severe with damaging winds and large hail as the main threat. Any storm will also be capable of producing very heavy rainfall, leading to localized flash flooding.

Thunderstorms chances will continue tonight and activity will increase again tomorrow afternoon as a cold front approaches from the west. Just like today, these storms will be capable of producing very heavy rainfall, damaging winds and large hail. Highs tomorrow will be in the upper 80s.

Heat Peaks Today; Strong Thunderstorms Likely This Weekend

Current Surface Map
Current Surface Map
High pressure will move overhead today and bring the hottest conditions of the week. Highs will likely top out in the mid to upper 90s with higher humidity values making it feel over 105. A Heat Advisory is in effect central Maryland through this evening.

Afternoon thunderstorms will likely develop over the mountains and move eastward towards the Baltimore/Washington metro during the late afternoon hours. This activity is expected to be isolated but areas that do see storms could see brief heavy rainfall and gusty winds.

Tomorrow will be similar to today, possibly a few degrees cooler with a slight chance of afternoon storms. Highs will be in the mid 90s with dewpoints in the low to mid 70s and heat indices near 105.

Mostly Sunny, Afternoon Storms

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

Current Surface Map
A cold front remains to our north while high pressure over the southeast continues to keep the region in hot, humid air. Showers and thunderstorms are expected to develop this afternoon with some of the storms possibly becoming severe with damaging wind and large hail. Highs today will again be near 100 degrees, with heat index values topping 105.

The cold front will slowly move southward, continuing rain chances tonight and tomorrow but more importantly it will drop temperatures about 10 degrees. Highs tomorrow will be around 90. Additionally, showers and thunderstorms are likely again tomorrow as the front remains in the area.

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.

One more hot day

…HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING…

Current Surface Map
Today will be the last oppressively hot day for a while, as temperatures will once again approach 100 degrees. Combined with the humidity, heat index values will be near 105 this afternoon. A Heat Advisory is in effect until 10pm tonight.

There is a slight chance of showers and thunderstorms this afternoon in the higher terrain and that activity will weaken and move east, bringing a slight chance of rain into central Maryland overnight.

Tomorrow will still be warm, with temperatures in the mid 90s and thunderstorms likely in the afternoon. Some of the storms could be severe, with gusty winds and large hail.

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.

Hazy, Hot and Humid

A Heat Advisory is in effect for Central and Eastern Maryland today. High temperatures in the mid to upper 90s will combine with dew points in the mid 70s to…