Key facts
- Alert
- Freeze Warning (severe)
- Issued by
- National Weather Service, Baltimore MD/Washington DC
- Areas
- Frederick; Carroll; Culpeper; Northern Fauquier; Southern Fauquier; Western Loudoun
- In effect
- until 9:00 AM EDT, Oct 19, 2026
What the National Weather Service says
“Take steps now to protect tender plants from the cold.”
NWS Baltimore MD/Washington DC, Freeze Warning, 5:03 AM EDT Oct 19, 2026 · official alert
“Sub-freezing temperatures as low as 30 expected.”
NWS Baltimore MD/Washington DC, Freeze Warning, 5:03 AM EDT Oct 19, 2026 · official alert
“Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.”
NWS Baltimore MD/Washington DC, Freeze Warning, 5:03 AM EDT Oct 19, 2026 · official alert
What to do
Take steps now to protect tender plants from the cold. Cover them or bring them indoors before tonight.
Protect outdoor plumbing that is not protected. Standard guidance is to disconnect hoses and cover exposed pipes and spigots.
The National Weather Service says the coldest temperatures are expected in valleys and other low-lying areas. Bring pets inside and check on older neighbors.
If you must drive early Monday, carry a winter kit and allow extra time.
Context
FEMA flood-insurance claims count only insured homes and businesses with flood policies. They do not measure cold or freeze damage. For this warning area, the records show 272 claims in Frederick County, Maryland, 138 in Carroll County, Maryland, and 43 in Culpeper County, Virginia, as of September 9, 2026.
FEMA disaster declarations in these counties include severe winter storms and snowstorms, such as declaration 4261 in March 2016 for Frederick and Carroll Counties. This warning is a routine cold-weather alert, not a disaster declaration.
Updates
- The freeze warning expired at 9:00 AM EDT.
- The National Weather Service updated the freeze warning; it remains in effect until 9:00 AM EDT.
- The National Weather Service updated the freeze warning; it remains in effect until 9:00 AM EDT.
- NWS Baltimore MD/Washington DC issued the freeze warning until 9:00 AM EDT.
History here
This county: 272 flood insurance claims in FEMA's National Flood Insurance Program records since 1978, most recent 2026.
This county: recent federal disaster declarations
- DR-4374 (2018): severe storms and flooding
- DR-4261 (2016): severe winter storm and snowstorm
- DR-4091 (2012): hurricane sandy
- DR-1910 (2010): severe winter storms and snowstorms
This county: 138 flood insurance claims in FEMA's National Flood Insurance Program records since 1978, most recent 2025.
This county: recent federal disaster declarations
- DR-4261 (2016): severe winter storm and snowstorm
- DR-4170 (2014): snowstorm
- DR-4091 (2012): hurricane sandy
- DR-1910 (2010): severe winter storms and snowstorms
This county: 43 flood insurance claims in FEMA's National Flood Insurance Program records since 1978, most recent 2022.
This county: recent federal disaster declarations
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Questions
- Is there a Freeze Warning in Frederick County, Maryland?
- Yes. The National Weather Service issued a Freeze Warning for Frederick County from 1 AM to 9 AM EDT Monday. Temperatures as low as 30 are expected.
- When does the Freeze Warning end?
- The warning expires at 9:00 AM EDT Monday, October 19, 2026. It was issued at 1:50 PM EDT on Sunday, October 18.
- What could the freeze damage?
- The National Weather Service says frost and freeze conditions could kill crops and other sensitive vegetation. They could also possibly damage unprotected outdoor plumbing.
Sources
- NWS Baltimore MD/Washington DC: Freeze Warning, Oct 19, 2026 weather.gov
- FEMA OpenFEMA: NFIP claims and disaster declarations fema.gov
How this page is made. The Herebeat Hazard Desk builds event pages from official U.S. government data (National Weather Service, USGS, FEMA). The text is written with AI from that data; every number and quote is checked against the official source automatically before publishing, and the page is updated when the agency updates the event. The official source is always the reference. Spotted a mistake? info@herebeat.app. About the Hazard Desk.