Fairfax County is under several Severe Thunderstorm Warnings this afternoon.
Strong, slow-moving storms popped up over the county shortly before 4 p.m. and have continued to overspread the area. The warnings cover Tysons, Centreville, Vienna, Oakton and other areas.
This summer is closing out with one final heat wave that’s expected to peak in the D.C. area tomorrow (Wednesday).
The National Weather Service has issued a Heat Advisory that’s scheduled to take effect from 1-7 p.m. tomorrow. On top of that, the air quality is expected to enter Code Orange territory for a second straight day, meaning it’ll be unhealthy for people with lung and heart disease, outdoor workers and other sensitive groups to spend time outside.
Settle in for a potentially stormy night as Debby, now a tropical depression, is expected to reach the mid-Atlantic region.
The National Weather Service has issued Tornado Watch for the D.C. area, including Fairfax County, in anticipation of the storm, which first made landfall in Florida as a hurricane on Monday (Aug. 5). Fairfax County also faces a Flood Watch and a Coastal Flood Advisory.
Prepare for more hot, humid weather tomorrow (Friday) as the D.C. area endures its fifth heat wave of 2024.
The National Weather Service has already issued a new Heat Advisory for tomorrow that’s scheduled to take effect from noon to 8 p.m. across the region, including Fairfax County. A similar advisory is now in effect for today (Thursday), prompting the county to activate its heat plan.
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.
Updated at 10:25 a.m. on 2/28/2024 — The National Weather Service has moved up the start time for its Wind Advisory to 3 p.m. today (Wednesday).
Earlier: A Wind Advisory has been issued for the D.C. area, including Fairfax County.
