It’s going to be another hot and humid start to the week in the D.C. area.
An Excessive Heat Warning will take effect across the region, including for Fairfax County, at 11 a.m. and continue until 8 p.m. today (Monday). Shortly before 1 p.m., the National Weather Service also upgraded an Excessive Heat Watch for the same time frame tomorrow (Tuesday) to another Excessive Heat Warning.
The heat and humidity that have baked the D.C. area through much of July so far are reaching dangerous levels.
The National Weather Service issued an Excessive Heat Warning for the region, including Fairfax County, shortly after 2 p.m. today (Tuesday). Scheduled to stay in effect until 8 p.m., the notice warns that heat index values — which measures air temperatures combined with humidity — could reach up to 110.
This year’s Independence Day is shaping up to be a hot one in the D.C. region.
Fairfax County has activated its heat plan for tomorrow (Thursday) in response to a Heat Advisory from the National Weather Service, which predicts that warm temperatures and humidity will lead to a heat index of 100 to 105.
The heat and humidity that have plagued the D.C. area this week are expected to intensify in the next day or two, the National Weather Service says.
The NWS has issued a Heat Advisory for the entire region, including Fairfax County, that will take effect at 11 a.m. tomorrow (Saturday) and continue until 8 p.m. A high of 99 degrees is currently forecast, which could combine with humidity to make the day feel as hot as 105 to 107 degrees.
In the D.C. area, the summer solstice has brought a reminder that heat doesn’t just make people sluggish. It can affect transportation infrastructure too.
Metro has instituted a systemwide speed restriction, limiting all trains to a maximum of 35 mph when they’re above ground due to rail temperatures exceeding 135 degrees Fahrenheit. The limit took effect today (Thursday) at 2 p.m.
RELAC Water Cooling will begin delivering air-conditioning services to residents and businesses in Reston’s Lake Anne area this weekend — ahead of its official launch date of May 22.
The volunteer-run utility announced today that it will “go live” tomorrow (Saturday) to test its services, providing chilled water from the artificial lake to cool 635 residential and commercial properties.
The county is activating its heat plan for the second day in a row this week.
With a Heat Advisory in effect from noon to 7 p.m. today (Wednesday), the heat plan intended to offer cooling centers during normal operating hours. The centers will also provide supplies like bottled water, sunscreen, insect repellent, and body wipes.
The county has activated its heat plan for today (Tuesday) as temperates climb today.
Cooling centers around the county will be available during normal operating hours in response to a National Weather Service heat advisory that is in effect from noon to 8 p.m.
It’s another stifling day in Fairfax County with no immediate relief in sight.
As of 11 a.m., temperatures at Fort Belvoir had reached 90 degrees, but thanks to 65% humidity, it likely feels closer to 103 degrees outside, according to the National Weather Service.
(Updated at 2:05 p.m.) A Heat Advisory will take effect tomorrow (Thursday) for the D.C. area, including Fairfax County, with temperatures expected to near 100 degrees.
Released by the National Weather Service this morning, the alert is slated to be in place from 11 a.m. to 8 p.m. tomorrow.
