Weather Alerts For Fallston, MD

# HEADLINE -------------------- FREEZE WARNING IN EFFECT FROM 2 AM TO 10 AM EDT TUESDAY # DETAILS -------------------- WHAT Sub-freezing temperatures as low as 26 to 30 degrees expected. WHERE Portions of central, north central, northeast, and northern Maryland, central, northern, northwest, and western Virginia, and panhandle West 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. ISSUED AT Sunday, April 19, 2026 at 11:35 PM EDT ISSUED BY National Weather Service Baltimore MD/Washington DC HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Take steps now to protect tender plants from the cold. # AREAS AFFECTED -------------------- Berkeley, Central Virginia Blue Ridge, Rappahannock, Shenandoah, Western Loudoun, Augusta, Carroll, Cecil, Clarke, Culpeper, Eastern Loudoun, Frederick, Frederick, Greene, Jefferson, Madison, Morgan, Northern Baltimore, Northern Fauquier, Northern Virginia Blue Ridge, Northwest Harford, Northwest Howard, Northwest Montgomery, Northwest Prince William, Orange, Page, Rockingham, Southern Fauquier, Warren, Washington

Pollen Index: 9.8 Pollen Level: high Predominant Pollen: Maple, Oak and Ash. Based on past pollen counts and expected weather conditions, pollen levels for Monday will be increasing and extend even further into the extremely high range. This increase is due to strong winds and decreasing humidity. Tomorrow's increase could spell trouble for allergy sufferers.