Maryland, Virginia Freeze Watch | Effective 04/18/2026 20:59

Headline: 
Freeze Watch issued April 18 at 11:59PM EDT until April 21 at 10:00AM EDT by NWS Baltimore MD/Washington DC
Event: 
Freeze Watch
Urgency: 
Future
Effective: 
April 18, 2026 - 8:59pm
Expires: 
April 19, 2026 - 5:00am
Description: 
* 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.
Instruction: 
Take steps now to protect tender plants from the cold.
Area Description: 
Southern Baltimore; Central and Southeast Montgomery; Central and Southeast Howard; Southeast Harford; Nelson; Albemarle; Fairfax; Stafford; Spotsylvania; Central and Southeast Prince William/Manassas/Manassas Park
Forcast Office: 
NWS Baltimore MD/Washington DC
Sender: 
w-nws.webmaster@noaa.gov