38°44'N / 77°4'W / Altitude 8 m / 06:14 2026/04/19, America/New_York (UTC-4)
From: 2026/04/18, 23:59
To: 2026/04/19, 08:00
* WHAT...Sub-freezing temperatures as low as 29 to 32 degrees possible, especially northwest of I-95. * WHERE...In Maryland, Central and Southeast Howard, Central and Southeast Montgomery, Southeast Harford, and Southern Baltimore Counties. In Virginia, Albemarle, Nelson, Spotsylvania, Central and Southeast Prince William/Manassas/Manassas Park, Fairfax, and Stafford Counties. * WHEN...From late Monday night through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.