Maryland Weather Alert: 80% Sunday Storm Risk Could Soak Baltimore and I-95 Before 81°F Monday

Maryland – Wet pavement and flashes of lightning could reshape Baltimore's evening before another round of storms crosses the region Sunday. Rain chances surge to 90% tonight, then remain elevated through Sunday afternoon.

According to the National Weather Service, showers and thunderstorms become possible after midnight tonight. Rain chances reach 90%, with patchy fog developing after 1 a.m.

Between one-quarter and one-half inch of rain could fall. Thunderstorms may produce locally higher amounts.

That makes tonight the first significant travel period to watch. Drivers using I-95, I-695 and I-83 should prepare for reduced visibility and water collecting on pavement.

Sunday remains unsettled.

Showers and a possible thunderstorm are expected before 8 a.m. Additional showers and thunderstorms remain possible between 8 a.m. and 2 p.m.

Rain chances reach 80%, with another one-tenth to one-quarter inch possible. Higher amounts could occur beneath thunderstorms.

Baltimore still warms to around 86 degrees. The combination of warmth and intermittent storms could complicate outdoor plans through the first half of Sunday.

The provided NWS outlook does not identify a specific tornado threat. However, lightning remains a concern with any thunderstorm. Move indoors when thunder is heard.

Monday brings the cleaner change.

Mostly sunny skies return with a high near 81 degrees. By early Tuesday, temperatures tumble to around 59, creating a 27-degree drop from Sunday's high.

Tuesday stays sunny and cooler near 78. Wednesday rebounds to about 82 under sunshine.

Thursday turns warmer near 87, although a 30% shower chance returns.

For now, tonight through Sunday afternoon carries the greatest weather impact. Keep umbrellas ready and allow extra travel time during heavier downpours. Seeing heavy rain around Baltimore? Tell us what conditions look like where you are.

Five Day Weather Outlook for Baltimore, MD

• Sunday: Showers and possible thunderstorms. Rain chance 80%. High near 86°F. Partly cloudy later, low near 70°F.
• Monday: Mostly sunny. High near 81°F. Mostly clear later, low near 59°F.
• Tuesday: Sunny. High near 78°F. Mostly clear later, low near 63°F.
• Wednesday: Sunny. High near 82°F. Mostly clear later, low near 65°F.
• Thursday: Mostly sunny with a 30% chance of showers. High near 87°F. 30% shower chance later, low near 66°F.