District of Columbia, Maryland, Virginia Freeze Warning | Effective 04/20/2026 11:34

Headline: 
Freeze Warning issued April 20 at 2:34PM EDT until April 21 at 10:00AM EDT by NWS Baltimore MD/Washington DC
Event: 
Freeze Warning
Urgency: 
Expected
Effective: 
April 20, 2026 - 11:34am
Expires: 
April 20, 2026 - 7:45pm
Description: 
* WHAT...Sub-freezing temperatures as low as 29 expected, especially in outlying areas away from larger bodies of water. * WHERE...Portions of DC, central, northern, and southern Maryland, and central and northern Virginia. * WHEN...From 2 AM to 10 AM EDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Instruction: 
Take steps now to protect tender plants from the cold. To prevent water pipes from freezing, wrap or drain or allow them to drip slowly.
Area Description: 
District of Columbia; Southern Baltimore; Prince Georges; Anne Arundel; Charles; St. Marys; Calvert; Central and Southeast Montgomery; Central and Southeast Howard; Southeast Harford; Nelson; Albemarle; Fairfax; Arlington/Falls Church/Alexandria; Stafford; Spotsylvania; King George; Central and Southeast Prince William/Manassas/Manassas Park
Forcast Office: 
NWS Baltimore MD/Washington DC