Hour-By-Hour Rain MD Forecast For Halloween Hazardous Weather

BALTIMORE, MD — Rains, some thunderstorms and gusty winds are expected to move into the area on Halloween to make for a dreary Halloween, the National Weather Service said in its forecast on Thursday. The agency issued a hazardous weather outlook because severe thunderstorms with damaging wind gusts are possible with a strong cold front this evening. An isolated tornado is also possible.

"Heavy rainfall may lead to scattered instances of flooding this evening," the Weather Service added.

Halloween will be mostly cloudy and breezy with rain showers that will taper off in the afternoon. Rain chances will increase from 40 percent this afternoon to 100 percent Thursday night. Thunderstorms bring chances for damaging winds — with gusts up to 31 miles per hour — and heavy rainfall.

Rainfall amounts between 1 and 2 inches are possible on Thursday, the forecast said.

Areas in the hazardous weather outlook include all or parts of: Carroll, Baltimore, Montgomery, Howard and Harford counties.

The Weather Channel warns the highest risk for severe thunderstorms will stretch from northeastern Georgia into eastern Pennsylvania. "Damaging wind gusts, hail and an isolated tornado are possible," The Weather Channel said.

Here is the hour-by-hour Halloween forecast for the Baltimore region, according to the National Weather Service:

12 p.m. - Rain, 42 percent chance
1 p.m. - Rain, 42 percent chance
2 p.m. - Rain, 31 percent chance
3 p.m. - Rain, 31 percent chance
4 p.m. - Winds and rain, 31 percent chance
5 p.m. - Strong winds, rain, 25 percent chance
6 p.m. - Gusty winds, rain, 25 percent chance
7 p.m. - Gusty winds, rain, 25 percent chance
8 p.m. - Scattered storms, 99 percent chance
9 p.m. - Scattered storms, 99 percent chance

10 p.m. - Scattered storms, 99 percent chance

Here's the forecast through the weekend:

Thursday: Rain, mainly before 2pm, then scattered showers after 2pm. High near 73. South wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night: Showers and possibly a thunderstorm, mainly before 2am. Some storms could be severe, with damaging winds and heavy rain. Low around 43. Breezy, with a south wind 15 to 22 mph becoming west in the evening. Winds could gust as high as 43 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Friday: Mostly sunny, with a high near 55. West wind 11 to 13 mph, with gusts as high as 22 mph.

Friday Night: Clear, with a low around 39.

Saturday: Sunny, with a high near 55.

Saturday Night: Mostly clear, with a low around 40.

Sunday: Sunny, with a high near 51.

Sunday Night: Mostly clear, with a low around 36.