closegps_fixed
Elev 157 ft, 39.16 °N, 76.7 °W

Harmans, MD Severe Weather Alertstar_ratehome

icon48 Â°F Severn(MunsonHeights), Md Station|Report|Change
Current Station
Personal Weather Station
Location: Harmans, MD
Elevation: 157ft
Nearby Weather Stations

Active Weather Alerts

Small Craft Advisory
Issued: 9:45 AM Apr. 20, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

* WHAT...Northwest winds 10 to 15 kt with gusts up to 30 kt
expected.

* WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD,
Chesapeake Bay north of Sandy Point MD, Patapsco River
including Baltimore Harbor, Chester River to Queenstown MD,
Eastern Bay, and Patuxent River to Broomes Island MD.

* WHEN...Until 9 PM EDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

Freeze Warning
Issued: 3:35 AM Apr. 20, 2026 – National Weather Service
...FREEZE WARNING IN EFFECT FROM 2 AM TO 10 AM EDT TUESDAY...

* WHAT...Sub-freezing temperatures as low as 30 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

Local Radar
Local Radar ImageLocal Severe Image