Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Light Rain

59°F

15°C

Humidity	90%
Wind Speed	NE 13 mph
Barometer	30.09 in (1019.9 mb)
Dewpoint	56°F (13°C)
Visibility	7.00 mi
Last update	11 Oct 11:53 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

McKnightstown PA

This Afternoon
High: 61 °F
Heavy Rain
Tonight
Low: 58 °F
Rain
Columbus Day
High: 74 °F
Partly Sunny
Monday Night
Low: 56 °F
Patchy Fog
Tuesday
High: 79 °F
Areas Fog
then Sunny
Tuesday Night
Low: 64 °F
Mostly Clear
Wednesday
High: 77 °F
Sunny
Wednesday Night
Low: 54 °F
Partly Cloudy
Thursday
High: 68 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Rain, with thunderstorms also possible after 2pm. Some of the storms could produce heavy rainfall. High near 61. Northeast wind 7 to 9 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Tonight

Rain and possibly a thunderstorm before 10pm, then rain likely. Low around 58. North wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Columbus Day

Partly sunny, with a high near 74. North wind 5 to 8 mph.

Monday Night

Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 56. Calm wind.

Tuesday

Areas of fog before 9am. Otherwise, sunny, with a high near 79. Calm wind becoming southwest 5 to 8 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 64.

Wednesday

Sunny, with a high near 77.

Wednesday Night

Partly cloudy, with a low around 54.